on the distribution date , each of the shareholders of itt received one share of xylem common stock for every one share of common stock of itt held on the record date . the spin-off was completed pursuant to the distribution agreement , dated as of october 25 , 2011 , among itt , exelis inc. and xylem . after the distribution date , itt does not beneficially own any shares of xylem common stock and , following such date , financial results of xylem will not be consolidated in itt 's financial reporting . xylem 's registration statement on form 10 filed with the u.s. securities and exchange commission was declared effective on october 6 , 2011. xylem 's common stock began regular-way trading on the new york stock exchange on november 1 , 2011 under the symbol xyl . executive summary xylem reported revenue for 2011 of $ 3,803 million , an increase of 18.8 % from $ 3,202 million reported in 2010 , due to broad-based growth across both segments . operating income for the year ended 2011 , excluding costs of $ 87 million incurred to execute the separation from itt , was $ 482 million , reflecting an increase of $ 94 million or 24.2 % compared to $ 388 million in 2010. additional financial highlights for 2011 include the following : net income of $ 279 million , or $ 1.50 per diluted share order growth of 18.8 % over the prior year ; organic orders were up 6.7 % revenue increase of 18.8 % from 2010 ; organic revenue was up 7.1 % completion of the ysi incorporated ( ysi ) acquisition , which contributed approximately $ 35 million of revenue to the water infrastructure segment results adjusted net income of $ 358 million , an increase of $ 72 million from 2010 's adjusted net income free cash flow generation of $ 388 million , up $ 87 million from 2010 key performance indicators and non-gaap measures management reviews key performance indicators including revenue , segment operating income and margins , earnings per share , orders growth , and backlog , among others . in addition , we consider certain measures to be useful to management and investors evaluating our operating performance for the periods presented , and provide a tool for evaluating our ongoing operations , liquidity and management of assets . this information can assist investors in assessing our financial performance and measures our ability to generate capital for deployment among competing strategic alternatives and initiatives , including , but not limited to , dividends , acquisitions , share repurchases and debt repayment . these metrics , however , are not measures of financial performance under accounting principles generally accepted in the united states of america ( gaap ) and should not be considered a substitute for revenue , operating income , net income , earnings per diluted share or net cash from continuing operations as determined in accordance with gaap . we consider the following non-gaap measures , which may not be comparable to similarly titled measures reported by other companies , to be key performance indicators : organic revenue and organic orders defined as revenue and orders , respectively , excluding the impact of foreign currency fluctuations , intercompany transactions and contributions from acquisitions and divestitures . divestitures include sales of insignificant portions of our business that did not meet the criteria for classification as a discontinued operation . the period-over-period change resulting from foreign currency fluctuations assumes no change in exchange rates from the prior period . 34 adjusted net income and adjusted earnings per share defined as net income and earnings per share , respectively , adjusted to exclude non-recurring separation costs associated with the spin-off and tax-related special items . a reconciliation of adjusted net income is provided below . replace_table_token_6_th ( a ) subsequent to the spin-off , on october 31 , 2011 , we had 184.6 million shares of common stock outstanding and this share amount is being utilized to calculate diluted earnings per share for all periods prior to october 31 , 2011 presented . operating expenses excluding separation costs defined as operating expenses , adjusted to exclude non-recurring costs incurred in connection with the separation . adjusted segment operating income defined as segment operating income , adjusted to exclude non-recurring costs incurred in connection with the separation and adjusted segment operating margin defined as adjusted segment operating income divided by total segment revenue . free cash flow defined as net cash provided by operating activities less capital expenditures and other significant items that impact current results which management believes are not related to our ongoing operations and performance . our definition of free cash flow does not consider certain non-discretionary cash payments , such as debt . the following table provides a reconciliation of free cash flow for the three year period ended december 31 , 2011. replace_table_token_7_th ( a ) includes the separation costs allocated by itt that have been treated as though they were settled in cash , and capital expenditures associated with the spin-off of $ 11 million . results of operations : ( in millions ) replace_table_token_8_th 35 year ended december 31 , 2011 compared to year ended december 31 , 2010 revenue revenue generated for 2011 was $ 3,803 million , an increase of $ 601 million , or 18.8 % , compared to $ 3,202 million in the same period of 2010. the following table illustrates the impact from organic growth , recent acquisitions , and fluctuations in foreign currency , in relation to revenue during the annual 2011 period . story_separator_special_tag contractual obligations the following table summarizes our contractual commitments as of december 31 , 2011 : replace_table_token_20_th 44 in addition to the amounts presented in the table above , we have recorded liabilities for uncertain tax positions of $ 5 million . these amounts have been excluded from the contractual obligations table due to an inability to reasonably estimate the timing of such payments in individual years . ( 1 ) refer to note 8 , credit facilities and long-term debt ,  in the notes to the consolidated financial statements for discussion of the use and availability of debt and revolving credit agreements . amounts represent principal payments of long-term debt including current maturities and exclude unamortized discounts . ( 2 ) amounts represent estimate of future interest payments on long-term debt outstanding as of december 31 , 2011 . ( 3 ) represents unconditional purchase agreements that are enforceable and legally binding and that specify all significant terms to purchase goods or services , including fixed or minimum quantities to be purchased ; fixed , minimum or variable price provisions ; and the approximate timing of the transaction . purchase agreements that are cancellable without penalty have been excluded . ( 4 ) other long-term obligations include estimated environmental payments . we estimate , based on historical experience , that we will spend between $ 2 million and $ 4 million per year on environmental investigation and remediation . at december 31 , 2011 , we had estimated and accrued $ 15 million related to environmental matters . off-balance sheet arrangements as of december 31 , 2011 , we have issued guarantees for the debt and other obligations of consolidated subsidiaries . we do not consider the maximum exposure to be material either individually or in the aggregate . critical accounting estimates the preparation of financial statements in conformity with gaap requires management to make estimates and assumptions that affect the reported amounts of assets , liabilities , revenues and expenses , and the disclosure of contingent liabilities . management bases its estimates on historical experience and on various other assumptions that it believes to be reasonable under the circumstances , the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources . significant accounting policies used in the preparation of the consolidated financial statements are discussed in note 1 , summary of significant accounting policies ,  in the notes to the consolidated financial statements . accounting estimates and assumptions discussed in this section are those that we consider most critical to an understanding of our financial statements because they are inherently uncertain , involve significant judgments , include areas where different estimates reasonably could have been used , and changes in the estimate that are reasonably possible could materially impact the financial statements . management believes that the accounting estimates employed and the resulting balances are reasonable ; however , actual results in these areas could differ from management 's estimates under different assumptions or conditions . revenue recognition . we recognize revenue when persuasive evidence of an arrangement exists , delivery has occurred , the sales price is fixed or determinable , and collectability of the sales price is reasonably assured . for product sales , delivery does not occur until the products have been shipped , risk of loss has been transferred to the customer and the contractual terms have been fulfilled . in instances where contractual terms include a provision for customer acceptance , revenue is recognized when either ( i ) we have previously demonstrated that the product meets the specified criteria based on either seller- or customer-specified objective criteria or ( ii ) upon formal acceptance received from the customer where the product has not been previously demonstrated to meet customer-specified objective criteria . revenue on service and repair contracts is recognized after services have been agreed to by the customer and rendered . we enter into contracts to sell our products and services , and while the majority of our sales agreements contain standard terms and conditions , certain agreements contain multiple elements or non-standard terms and conditions . where sales agreements contain multiple elements or non-standard terms and conditions , 45 judgment is required to determine the appropriate accounting , including whether the deliverables specified in these agreements should be treated as separate units of accounting for revenue recognition purposes , and , if so , how the transaction price should be allocated among the elements and when to recognize revenue for each element . when a sale involves multiple deliverables , the total revenue from the arrangement is allocated to each unit of accounting based on the relative selling price of the deliverable to all other deliverables in the contract . revenue for multiple element arrangements is recognized when the appropriate revenue recognition criteria for the individual deliverable have been satisfied . the allocation of sales price between elements may impact the timing of revenue recognition , but will not change the total revenue recognized on the arrangement . for delivered elements accounted for as separate units of accounting in a multiple element arrangement , revenue is recognized only when the delivered elements have standalone value , there are no uncertainties regarding customer acceptance and there are no customer-negotiated refund or return rights affecting the sales recognized . certain businesses enter into long-term construction-type sales contracts for which revenue is recognized under the percentage-of-completion method based upon percentage of costs incurred to total costs . we record a reduction in revenue at the time of sale for estimated product returns , rebates and other allowances , based on historical experience and known trends . warranty accrual . accruals for estimated expenses related to warranties are made at the time products are sold or services are rendered and are recorded as a component of cost of revenue . these accruals are established using historical

liquidity and capital resources the following table summarizes our sources and uses of cash for the three years ended december 31 , 2011. replace_table_token_19_th sources and uses of liquidity operating activities during 2011 , net cash provided by operating activities was $ 449 million , compared to $ 395 million in 2010. the $ 54 million year-over-year increase is primarily the result of lower tax and restructuring payments . this increase was partially offset by net increased uses of cash in working capital driven by spending to support increased sales volumes . during 2010 , net cash provided by operating activities increased by $ 25 million as compared to 2009 , primarily attributable to a $ 88 million increase in net income , excluding non-cash increases in depreciation and amortization , partially offset by a reduced source of cash from working capital . 42 investing activities cash used in investing activities was $ 423 million for 2011 , compared to $ 1,093 million in 2010 and $ 84 million in 2009. we invested $ 309 million related to the acquisition of ysi in 2011 and $ 385 million and $ 580 million related to the acquisitions of nova and godwin pumps , respectively , in 2010. capital expenditures in 2011 were $ 126 million compared to $ 94 million in 2010 and $ 62 million in 2009. the $ 32 million year-over-year increase in capital expenditures in 2011 is primarily due to investments to increase productivity and the expansion of the godwin business . financing activities during 2011 , cash provided by financing activities was $ 172 million , compared to cash provided by financing activities of $ 745 million in 2010 and cash used in financing activities of $ 292 million in 2009. the decline in 2011 is due to net transfers to our former parent , itt , as the net proceeds from the issuance of $ 1.2 billion aggregate amount of senior notes ( described below ) funded a net cash transfer to itt that included the repayment of funds used in the acquisition of ysi .


 Write a concise suspicious activity report of the following text delimited by triple backquotes. Return your response as a formal report which covers the key points highlighting the location,dates,entity names and account holder information in chronological order of the text.
     ```liquidity and capital resources the following table summarizes our sources and uses of cash for the three years ended december 31 , 2011. replace_table_token_19_th sources and uses of liquidity operating activities during 2011 , net cash provided by operating activities was $ 449 million , compared to $ 395 million in 2010. the $ 54 million year-over-year increase is primarily the result of lower tax and restructuring payments . this increase was partially offset by net increased uses of cash in working capital driven by spending to support increased sales volumes . during 2010 , net cash provided by operating activities increased by $ 25 million as compared to 2009 , primarily attributable to a $ 88 million increase in net income , excluding non-cash increases in depreciation and amortization , partially offset by a reduced source of cash from working capital . 42 investing activities cash used in investing activities was $ 423 million for 2011 , compared to $ 1,093 million in 2010 and $ 84 million in 2009. we invested $ 309 million related to the acquisition of ysi in 2011 and $ 385 million and $ 580 million related to the acquisitions of nova and godwin pumps , respectively , in 2010. capital expenditures in 2011 were $ 126 million compared to $ 94 million in 2010 and $ 62 million in 2009. the $ 32 million year-over-year increase in capital expenditures in 2011 is primarily due to investments to increase productivity and the expansion of the godwin business . financing activities during 2011 , cash provided by financing activities was $ 172 million , compared to cash provided by financing activities of $ 745 million in 2010 and cash used in financing activities of $ 292 million in 2009. the decline in 2011 is due to net transfers to our former parent , itt , as the net proceeds from the issuance of $ 1.2 billion aggregate amount of senior notes ( described below ) funded a net cash transfer to itt that included the repayment of funds used in the acquisition of ysi .
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 Suspicious Activity Report : on the distribution date , each of the shareholders of itt received one share of xylem common stock for every one share of common stock of itt held on the record date . the spin-off was completed pursuant to the distribution agreement , dated as of october 25 , 2011 , among itt , exelis inc. and xylem . after the distribution date , itt does not beneficially own any shares of xylem common stock and , following such date , financial results of xylem will not be consolidated in itt 's financial reporting . xylem 's registration statement on form 10 filed with the u.s. securities and exchange commission was declared effective on october 6 , 2011. xylem 's common stock began regular-way trading on the new york stock exchange on november 1 , 2011 under the symbol xyl . executive summary xylem reported revenue for 2011 of $ 3,803 million , an increase of 18.8 % from $ 3,202 million reported in 2010 , due to broad-based growth across both segments . operating income for the year ended 2011 , excluding costs of $ 87 million incurred to execute the separation from itt , was $ 482 million , reflecting an increase of $ 94 million or 24.2 % compared to $ 388 million in 2010. additional financial highlights for 2011 include the following : net income of $ 279 million , or $ 1.50 per diluted share order growth of 18.8 % over the prior year ; organic orders were up 6.7 % revenue increase of 18.8 % from 2010 ; organic revenue was up 7.1 % completion of the ysi incorporated ( ysi ) acquisition , which contributed approximately $ 35 million of revenue to the water infrastructure segment results adjusted net income of $ 358 million , an increase of $ 72 million from 2010 's adjusted net income free cash flow generation of $ 388 million , up $ 87 million from 2010 key performance indicators and non-gaap measures management reviews key performance indicators including revenue , segment operating income and margins , earnings per share , orders growth , and backlog , among others . in addition , we consider certain measures to be useful to management and investors evaluating our operating performance for the periods presented , and provide a tool for evaluating our ongoing operations , liquidity and management of assets . this information can assist investors in assessing our financial performance and measures our ability to generate capital for deployment among competing strategic alternatives and initiatives , including , but not limited to , dividends , acquisitions , share repurchases and debt repayment . these metrics , however , are not measures of financial performance under accounting principles generally accepted in the united states of america ( gaap ) and should not be considered a substitute for revenue , operating income , net income , earnings per diluted share or net cash from continuing operations as determined in accordance with gaap . we consider the following non-gaap measures , which may not be comparable to similarly titled measures reported by other companies , to be key performance indicators : organic revenue and organic orders defined as revenue and orders , respectively , excluding the impact of foreign currency fluctuations , intercompany transactions and contributions from acquisitions and divestitures . divestitures include sales of insignificant portions of our business that did not meet the criteria for classification as a discontinued operation . the period-over-period change resulting from foreign currency fluctuations assumes no change in exchange rates from the prior period . 34 adjusted net income and adjusted earnings per share defined as net income and earnings per share , respectively , adjusted to exclude non-recurring separation costs associated with the spin-off and tax-related special items . a reconciliation of adjusted net income is provided below . replace_table_token_6_th ( a ) subsequent to the spin-off , on october 31 , 2011 , we had 184.6 million shares of common stock outstanding and this share amount is being utilized to calculate diluted earnings per share for all periods prior to october 31 , 2011 presented . operating expenses excluding separation costs defined as operating expenses , adjusted to exclude non-recurring costs incurred in connection with the separation . adjusted segment operating income defined as segment operating income , adjusted to exclude non-recurring costs incurred in connection with the separation and adjusted segment operating margin defined as adjusted segment operating income divided by total segment revenue . free cash flow defined as net cash provided by operating activities less capital expenditures and other significant items that impact current results which management believes are not related to our ongoing operations and performance . our definition of free cash flow does not consider certain non-discretionary cash payments , such as debt . the following table provides a reconciliation of free cash flow for the three year period ended december 31 , 2011. replace_table_token_7_th ( a ) includes the separation costs allocated by itt that have been treated as though they were settled in cash , and capital expenditures associated with the spin-off of $ 11 million . results of operations : ( in millions ) replace_table_token_8_th 35 year ended december 31 , 2011 compared to year ended december 31 , 2010 revenue revenue generated for 2011 was $ 3,803 million , an increase of $ 601 million , or 18.8 % , compared to $ 3,202 million in the same period of 2010. the following table illustrates the impact from organic growth , recent acquisitions , and fluctuations in foreign currency , in relation to revenue during the annual 2011 period . story_separator_special_tag contractual obligations the following table summarizes our contractual commitments as of december 31 , 2011 : replace_table_token_20_th 44 in addition to the amounts presented in the table above , we have recorded liabilities for uncertain tax positions of $ 5 million . these amounts have been excluded from the contractual obligations table due to an inability to reasonably estimate the timing of such payments in individual years . ( 1 ) refer to note 8 , credit facilities and long-term debt ,  in the notes to the consolidated financial statements for discussion of the use and availability of debt and revolving credit agreements . amounts represent principal payments of long-term debt including current maturities and exclude unamortized discounts . ( 2 ) amounts represent estimate of future interest payments on long-term debt outstanding as of december 31 , 2011 . ( 3 ) represents unconditional purchase agreements that are enforceable and legally binding and that specify all significant terms to purchase goods or services , including fixed or minimum quantities to be purchased ; fixed , minimum or variable price provisions ; and the approximate timing of the transaction . purchase agreements that are cancellable without penalty have been excluded . ( 4 ) other long-term obligations include estimated environmental payments . we estimate , based on historical experience , that we will spend between $ 2 million and $ 4 million per year on environmental investigation and remediation . at december 31 , 2011 , we had estimated and accrued $ 15 million related to environmental matters . off-balance sheet arrangements as of december 31 , 2011 , we have issued guarantees for the debt and other obligations of consolidated subsidiaries . we do not consider the maximum exposure to be material either individually or in the aggregate . critical accounting estimates the preparation of financial statements in conformity with gaap requires management to make estimates and assumptions that affect the reported amounts of assets , liabilities , revenues and expenses , and the disclosure of contingent liabilities . management bases its estimates on historical experience and on various other assumptions that it believes to be reasonable under the circumstances , the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources . significant accounting policies used in the preparation of the consolidated financial statements are discussed in note 1 , summary of significant accounting policies ,  in the notes to the consolidated financial statements . accounting estimates and assumptions discussed in this section are those that we consider most critical to an understanding of our financial statements because they are inherently uncertain , involve significant judgments , include areas where different estimates reasonably could have been used , and changes in the estimate that are reasonably possible could materially impact the financial statements . management believes that the accounting estimates employed and the resulting balances are reasonable ; however , actual results in these areas could differ from management 's estimates under different assumptions or conditions . revenue recognition . we recognize revenue when persuasive evidence of an arrangement exists , delivery has occurred , the sales price is fixed or determinable , and collectability of the sales price is reasonably assured . for product sales , delivery does not occur until the products have been shipped , risk of loss has been transferred to the customer and the contractual terms have been fulfilled . in instances where contractual terms include a provision for customer acceptance , revenue is recognized when either ( i ) we have previously demonstrated that the product meets the specified criteria based on either seller- or customer-specified objective criteria or ( ii ) upon formal acceptance received from the customer where the product has not been previously demonstrated to meet customer-specified objective criteria . revenue on service and repair contracts is recognized after services have been agreed to by the customer and rendered . we enter into contracts to sell our products and services , and while the majority of our sales agreements contain standard terms and conditions , certain agreements contain multiple elements or non-standard terms and conditions . where sales agreements contain multiple elements or non-standard terms and conditions , 45 judgment is required to determine the appropriate accounting , including whether the deliverables specified in these agreements should be treated as separate units of accounting for revenue recognition purposes , and , if so , how the transaction price should be allocated among the elements and when to recognize revenue for each element . when a sale involves multiple deliverables , the total revenue from the arrangement is allocated to each unit of accounting based on the relative selling price of the deliverable to all other deliverables in the contract . revenue for multiple element arrangements is recognized when the appropriate revenue recognition criteria for the individual deliverable have been satisfied . the allocation of sales price between elements may impact the timing of revenue recognition , but will not change the total revenue recognized on the arrangement . for delivered elements accounted for as separate units of accounting in a multiple element arrangement , revenue is recognized only when the delivered elements have standalone value , there are no uncertainties regarding customer acceptance and there are no customer-negotiated refund or return rights affecting the sales recognized . certain businesses enter into long-term construction-type sales contracts for which revenue is recognized under the percentage-of-completion method based upon percentage of costs incurred to total costs . we record a reduction in revenue at the time of sale for estimated product returns , rebates and other allowances , based on historical experience and known trends . warranty accrual . accruals for estimated expenses related to warranties are made at the time products are sold or services are rendered and are recorded as a component of cost of revenue . these accruals are established using historical

