the incremental impact of acquisitions for the twelve months ended december 31 , 2017 was an increase in net revenues of approximately $ 32.3 million and a decrease to operating income of approximately $ 0.6 million . during the years ended december 31 , 2018 and 2017 , we incurred $ 10.0 million and $ 4.7 million of acquisition and integration related expenses , respectively . 2018 dividends we paid quarterly dividends of $ 0.21 per ordinary share to shareholders on record as of march 15 , 2018 , june 15 , 2018 , september 17 , 2018 , and december 17 , 2018 . we paid a total of $ 79.4 million in cash for dividends to ordinary shareholders during the year ended december 31 , 2018 . restructuring charges we incurred charges of $ 4.9 million and $ 12.3 million for the years ended december 31 , 2018 and 2017 , respectively , in conjunction with ongoing restructuring actions . we also incurred other non-qualified restructuring charges of $ 1.6 million and $ 1.5 million for the years ended december 31 , 2018 and 2017 , respectively , related to costs directly attributable to restructuring activities but that do not fall into the severance , exit or disposal category . financing activities in 2017 , we entered into a new $ 1.2 billion unsecured credit agreement ( the `` credit agreement `` ) , consisting of a $ 700.0 million term loan facility ( the “ term facility ” ) and a $ 500.0 million revolving credit facility ( the “ revolving facility ” , and together with the term facility , the “ credit facilities ” ) , and repaid in full our previously outstanding secured credit facility , the second amended and restated credit agreement , dated as of september 30 , 2015. also in 2017 , we issued $ 400.0 million of 3.200 % senior notes due 2024 ( the “ 3.200 % senior notes ” ) and $ 400.0 million of 3.550 % senior notes due 2027 ( the “ 3.550 % senior notes ” and , together with the 3.200 % senior notes , the “ notes ” ) . we used a portion of the net proceeds from the notes to redeem in full our previously outstanding $ 300.0 million senior notes due 2021 and $ 300.0 million senior notes due 2023 . 30 results of operations - for the years ended december 31 replace_table_token_4_th net revenues net revenues for the year ended december 31 , 2018 increased by 13.4 % , or $ 323.5 million , compared to the same period in 2017 due to the following : pricing 1.6 % volume 4.4 % acquisitions 6.6 % currency exchange rates 0.8 % total 13.4 % the increase in net revenues was primarily driven by higher volumes in all segments , improved pricing , incremental net revenues from the acquisitions discussed above and favorable foreign currency exchange rate movements relative to the u.s. dollar . net revenues for the year ended december 31 , 2017 increased by 7.6 % , or $ 170.2 million , compared to the same period in 2016 due to the following : pricing 1.8 % volume 3.9 % acquisitions 1.4 % currency exchange rates 0.5 % total 7.6 % the increase in net revenues was primarily driven by higher volumes and improved pricing in all segments , incremental net revenues from acquisitions and favorable foreign currency exchange rate movements relative to the u.s. dollar . cost of goods sold for the year ended december 31 , 2018 , cost of goods sold as a percentage of net revenues increased to 57.0 % from 55.4 % due to the following : 31 inflation in excess of pricing and productivity 0.1 % volume / product mix ( 0.1 ) % acquisitions 1.5 % investment spending 0.3 % currency exchange rates ( 0.1 ) % restructuring / acquisition costs ( 0.1 ) % total 1.6 % costs of goods sold as a percentage of net revenues for the year ended december 31 , 2018 increased primarily due to inflation in excess of pricing and productivity , the impact of acquisitions and increased investment spending . these increases were partially offset by favorable currency exchange rate movements , favorable product mix and volume and decreased restructuring and acquisition costs . for the year ended december 31 , 2017 , cost of goods sold as a percentage of net revenues decreased to 55.4 % from 55.8 % due to the following : pricing and productivity in excess of inflation ( 0.4 ) % volume / product mix 0.4 % acquisitions 0.5 % currency exchange rates ( 0.1 ) % environmental remediation charge ( 0.7 ) % restructuring / acquisition costs ( 0.1 ) % total ( 0.4 ) % costs of goods sold as a percentage of net revenues for the year ended december 31 , 2017 decreased primarily due to pricing and productivity benefits in excess of inflation , favorable foreign currency exchange rate movements , a decrease related to an environmental remediation charge in 2016 and decreased restructuring and acquisition costs . these decreases were partially offset by unfavorable product mix and volume and the impact of acquisitions . selling and administrative expenses for the year ended december 31 , 2018 , selling and administrative expenses as a percentage of net revenues decreased to 23.7 % from 24.1 % due to the following : inflation in excess of productivity 0.5 % volume leverage ( 0.8 ) % acquisitions ( 0.4 ) % investment spending 0.3 % total ( 0.4 ) % selling and administrative expenses as a percentage of net revenues for the year ended december 31 , 2018 decreased primarily due to favorable leverage due to increased volume and the impact of acquisitions . these decreases were partially offset by inflation in excess of productivity benefits and increased investment spending . story_separator_special_tag 2017 vs 2016 net revenues net revenues for the year ended december 31 , 2017 increased by 10.2 % , or $ 10.8 million , compared with the same period in 2016 , due to the following : 39 pricing 0.4 % volume 7.3 % acquisitions 0.7 % currency exchange rates 1.8 % total 10.2 % the increase in net revenues was due to higher volumes , improved pricing , the impact of an acquisition in 2016 and favorable foreign currency exchange rate movements . operating income/margin segment operating income for the year ended december 31 , 2017 increased $ 3.4 million and segment operating margin increased to 8.1 % from 5.7 % compared with the same period in 2016 due to the following : replace_table_token_14_th the increases were primarily related to pricing improvements and productivity in excess of inflation , improved volume/product mix and favorable foreign currency exchange rate movements . these increases were partially offset by increased investment spending and the impact of an acquisition in 2016. liquidity and capital resources story_separator_special_tag and $ 400.0 million outstanding of 3.550 % senior notes due 2027 ( the “ 3.550 % senior notes ” and , together with the 3.200 % senior notes , the “ notes ” ) . the notes require semi-annual interest payments on april 1 and october 1 of each year and will mature on october 1 , 2024 and october 1 , 2027 , respectively . historically , the majority of our earnings were considered to be permanently reinvested in jurisdictions where we have made , and intend to continue to make , substantial investments to support the ongoing development and growth of our global operations . as a result of the tax reform act transition tax , we analyzed our global working capital requirements and the potential tax liabilities that would be incurred if certain non-u.s. subsidiaries made distributions , which include local country withholding tax and potential u.s. state taxation . based on this analysis , we made no changes to our permanent reinvestment assertions to reinvest earnings in our non-u.s. subsidiaries outside of the u.s. pension plans our investment objective in managing defined benefit plan assets is to ensure that all present and future benefit obligations are met as they come due . we seek to achieve this goal while trying to mitigate volatility in plan funded status , contributions and expense by better matching the characteristics of the plan assets to that of the plan liabilities . global asset allocation decisions are based on a dynamic approach whereby a plan 's allocation to fixed income assets increases as the funded status increases . we monitor plan funded status and asset allocation regularly in addition to investment manager performance . we monitor the impact of market conditions on our defined benefit plans on a regular basis . in january 2017 , we made a discretionary $ 50.0 million contribution to the u.s. qualified defined benefit pension plan . at december 31 , 2018 , the funded status of our qualified pension plan for u.s. employees decreased to 93.1 % from 93.3 % at december 31 , 2017 . the funded status for our non-u.s. pension plans decreased to 98.7 % at december 31 , 2018 from 100.5 % at december 31 , 2017 . funded status for all of our pension plans at december 31 , 2018 decreased to 94.1 % from 95.5 % at december 31 , 2017 . for further details on pension plan activity , see note 11 to the consolidated financial statements . contractual obligations the following table summarizes our contractual cash obligations by required payment periods : replace_table_token_17_th future interest payments on variable rate long-term debt are estimated based on the rate in effect as of december 31 , 2018. future expected obligations under our pension and postretirement benefit plans , income taxes , environmental and product liability matters have not been included in the contractual cash obligations table above . pensions at december 31 , 2018 , we had net pension liabilities of $ 38.5 million , which consist of plan assets of $ 611.6 million and benefit obligations of $ 650.1 million . it is our objective to contribute to the pension plans to ensure adequate funds are available in the plans to make benefit payments to plan participants and beneficiaries when required . the funded status for all of our pension plans decreased to 94.1 % at december 31 , 2018 from 95.5 % at december 31 , 2017 . we currently project that an additional approximately $ 11.6 million will be contributed to our plans worldwide in 2019 . because the timing and amounts of long-term funding requirements 42 for pension obligations are uncertain , they have been excluded from the preceding table . see note 11 to the consolidated financial statements for additional information . postretirement benefits other than pensions at december 31 , 2018 , we had postretirement benefit obligations of $ 7.6 million . we fund postretirement benefit costs principally on a pay-as-you-go basis as medical costs are incurred by covered retiree populations . benefit payments , which are net of expected plan participant contributions and medicare part d subsidies , are not expected to be material in 2019 . because the timing and amounts of long-term funding requirements for postretirement obligations are uncertain , they have been excluded from the preceding table . income taxes at december 31 , 2018 , we have total unrecognized tax benefits for uncertain tax positions of $ 42.0 million and $ 5.7 million of related accrued interest and penalties , net of tax . these liabilities have been excluded from the preceding table as we are unable to reasonably estimate the amount and period in which these liabilities might be paid . see note 17 to the consolidated financial statements for additional information regarding matters relating to income taxes , including unrecognized tax benefits and tax authority disputes . contingent liabilities we are

sources and uses of liquidity our primary source of liquidity is cash provided by operating activities . cash provided by operating activities is used to invest in new product development , fund capital expenditures and fund working capital requirements and is expected to be adequate to service any future debt , pay any declared dividends and potentially fund acquisitions and share repurchases . our ability to fund these capital needs depends on our ongoing ability to generate cash from our operating activities and to access our borrowing facilities ( including unused availability under our revolving facility ) and capital markets . we believe that our future cash provided by operating activities , availability under our revolving facility and access to funds on hand and capital markets will provide adequate resources to fund our operating and financing needs . the following table reflects the major categories of cash flows for the years ended december 31. for additional details , please see the consolidated statements of cash flows in the consolidated financial statements . replace_table_token_15_th operating activities net cash provided by operating activities for the year ended december 31 , 2018 increased $ 110.6 million compared to 2017 . this increase in net cash provided by operating activities for 2018 was primarily due to higher net earnings in the current year and a discretionary $ 50.0 million contribution to the u.s. qualified defined benefit pension plan in 2017 , partially offset by changes in working capital and an increase in cash paid for taxes . 40 net cash provided by operating activities for the year ended december 31 , 2017 decreased $ 30.3 million compared to 2016 , reflecting the $ 50.0 million discretionary contribution to the u.s. qualified defined benefit pension plan discussed above , as well as increased cash paid for taxes , partially offset by higher net earnings in 2017 compared to 2016 . investing activities net cash used in investing activities for the year ended december 31 , 2018 increased $ 393.6 million compared to 2017 .


 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.
     ```sources and uses of liquidity our primary source of liquidity is cash provided by operating activities . cash provided by operating activities is used to invest in new product development , fund capital expenditures and fund working capital requirements and is expected to be adequate to service any future debt , pay any declared dividends and potentially fund acquisitions and share repurchases . our ability to fund these capital needs depends on our ongoing ability to generate cash from our operating activities and to access our borrowing facilities ( including unused availability under our revolving facility ) and capital markets . we believe that our future cash provided by operating activities , availability under our revolving facility and access to funds on hand and capital markets will provide adequate resources to fund our operating and financing needs . the following table reflects the major categories of cash flows for the years ended december 31. for additional details , please see the consolidated statements of cash flows in the consolidated financial statements . replace_table_token_15_th operating activities net cash provided by operating activities for the year ended december 31 , 2018 increased $ 110.6 million compared to 2017 . this increase in net cash provided by operating activities for 2018 was primarily due to higher net earnings in the current year and a discretionary $ 50.0 million contribution to the u.s. qualified defined benefit pension plan in 2017 , partially offset by changes in working capital and an increase in cash paid for taxes . 40 net cash provided by operating activities for the year ended december 31 , 2017 decreased $ 30.3 million compared to 2016 , reflecting the $ 50.0 million discretionary contribution to the u.s. qualified defined benefit pension plan discussed above , as well as increased cash paid for taxes , partially offset by higher net earnings in 2017 compared to 2016 . investing activities net cash used in investing activities for the year ended december 31 , 2018 increased $ 393.6 million compared to 2017 .
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 Suspicious Activity Report : the incremental impact of acquisitions for the twelve months ended december 31 , 2017 was an increase in net revenues of approximately $ 32.3 million and a decrease to operating income of approximately $ 0.6 million . during the years ended december 31 , 2018 and 2017 , we incurred $ 10.0 million and $ 4.7 million of acquisition and integration related expenses , respectively . 2018 dividends we paid quarterly dividends of $ 0.21 per ordinary share to shareholders on record as of march 15 , 2018 , june 15 , 2018 , september 17 , 2018 , and december 17 , 2018 . we paid a total of $ 79.4 million in cash for dividends to ordinary shareholders during the year ended december 31 , 2018 . restructuring charges we incurred charges of $ 4.9 million and $ 12.3 million for the years ended december 31 , 2018 and 2017 , respectively , in conjunction with ongoing restructuring actions . we also incurred other non-qualified restructuring charges of $ 1.6 million and $ 1.5 million for the years ended december 31 , 2018 and 2017 , respectively , related to costs directly attributable to restructuring activities but that do not fall into the severance , exit or disposal category . financing activities in 2017 , we entered into a new $ 1.2 billion unsecured credit agreement ( the `` credit agreement `` ) , consisting of a $ 700.0 million term loan facility ( the “ term facility ” ) and a $ 500.0 million revolving credit facility ( the “ revolving facility ” , and together with the term facility , the “ credit facilities ” ) , and repaid in full our previously outstanding secured credit facility , the second amended and restated credit agreement , dated as of september 30 , 2015. also in 2017 , we issued $ 400.0 million of 3.200 % senior notes due 2024 ( the “ 3.200 % senior notes ” ) and $ 400.0 million of 3.550 % senior notes due 2027 ( the “ 3.550 % senior notes ” and , together with the 3.200 % senior notes , the “ notes ” ) . we used a portion of the net proceeds from the notes to redeem in full our previously outstanding $ 300.0 million senior notes due 2021 and $ 300.0 million senior notes due 2023 . 30 results of operations - for the years ended december 31 replace_table_token_4_th net revenues net revenues for the year ended december 31 , 2018 increased by 13.4 % , or $ 323.5 million , compared to the same period in 2017 due to the following : pricing 1.6 % volume 4.4 % acquisitions 6.6 % currency exchange rates 0.8 % total 13.4 % the increase in net revenues was primarily driven by higher volumes in all segments , improved pricing , incremental net revenues from the acquisitions discussed above and favorable foreign currency exchange rate movements relative to the u.s. dollar . net revenues for the year ended december 31 , 2017 increased by 7.6 % , or $ 170.2 million , compared to the same period in 2016 due to the following : pricing 1.8 % volume 3.9 % acquisitions 1.4 % currency exchange rates 0.5 % total 7.6 % the increase in net revenues was primarily driven by higher volumes and improved pricing in all segments , incremental net revenues from acquisitions and favorable foreign currency exchange rate movements relative to the u.s. dollar . cost of goods sold for the year ended december 31 , 2018 , cost of goods sold as a percentage of net revenues increased to 57.0 % from 55.4 % due to the following : 31 inflation in excess of pricing and productivity 0.1 % volume / product mix ( 0.1 ) % acquisitions 1.5 % investment spending 0.3 % currency exchange rates ( 0.1 ) % restructuring / acquisition costs ( 0.1 ) % total 1.6 % costs of goods sold as a percentage of net revenues for the year ended december 31 , 2018 increased primarily due to inflation in excess of pricing and productivity , the impact of acquisitions and increased investment spending . these increases were partially offset by favorable currency exchange rate movements , favorable product mix and volume and decreased restructuring and acquisition costs . for the year ended december 31 , 2017 , cost of goods sold as a percentage of net revenues decreased to 55.4 % from 55.8 % due to the following : pricing and productivity in excess of inflation ( 0.4 ) % volume / product mix 0.4 % acquisitions 0.5 % currency exchange rates ( 0.1 ) % environmental remediation charge ( 0.7 ) % restructuring / acquisition costs ( 0.1 ) % total ( 0.4 ) % costs of goods sold as a percentage of net revenues for the year ended december 31 , 2017 decreased primarily due to pricing and productivity benefits in excess of inflation , favorable foreign currency exchange rate movements , a decrease related to an environmental remediation charge in 2016 and decreased restructuring and acquisition costs . these decreases were partially offset by unfavorable product mix and volume and the impact of acquisitions . selling and administrative expenses for the year ended december 31 , 2018 , selling and administrative expenses as a percentage of net revenues decreased to 23.7 % from 24.1 % due to the following : inflation in excess of productivity 0.5 % volume leverage ( 0.8 ) % acquisitions ( 0.4 ) % investment spending 0.3 % total ( 0.4 ) % selling and administrative expenses as a percentage of net revenues for the year ended december 31 , 2018 decreased primarily due to favorable leverage due to increased volume and the impact of acquisitions . these decreases were partially offset by inflation in excess of productivity benefits and increased investment spending . story_separator_special_tag 2017 vs 2016 net revenues net revenues for the year ended december 31 , 2017 increased by 10.2 % , or $ 10.8 million , compared with the same period in 2016 , due to the following : 39 pricing 0.4 % volume 7.3 % acquisitions 0.7 % currency exchange rates 1.8 % total 10.2 % the increase in net revenues was due to higher volumes , improved pricing , the impact of an acquisition in 2016 and favorable foreign currency exchange rate movements . operating income/margin segment operating income for the year ended december 31 , 2017 increased $ 3.4 million and segment operating margin increased to 8.1 % from 5.7 % compared with the same period in 2016 due to the following : replace_table_token_14_th the increases were primarily related to pricing improvements and productivity in excess of inflation , improved volume/product mix and favorable foreign currency exchange rate movements . these increases were partially offset by increased investment spending and the impact of an acquisition in 2016. liquidity and capital resources story_separator_special_tag and $ 400.0 million outstanding of 3.550 % senior notes due 2027 ( the “ 3.550 % senior notes ” and , together with the 3.200 % senior notes , the “ notes ” ) . the notes require semi-annual interest payments on april 1 and october 1 of each year and will mature on october 1 , 2024 and october 1 , 2027 , respectively . historically , the majority of our earnings were considered to be permanently reinvested in jurisdictions where we have made , and intend to continue to make , substantial investments to support the ongoing development and growth of our global operations . as a result of the tax reform act transition tax , we analyzed our global working capital requirements and the potential tax liabilities that would be incurred if certain non-u.s. subsidiaries made distributions , which include local country withholding tax and potential u.s. state taxation . based on this analysis , we made no changes to our permanent reinvestment assertions to reinvest earnings in our non-u.s. subsidiaries outside of the u.s. pension plans our investment objective in managing defined benefit plan assets is to ensure that all present and future benefit obligations are met as they come due . we seek to achieve this goal while trying to mitigate volatility in plan funded status , contributions and expense by better matching the characteristics of the plan assets to that of the plan liabilities . global asset allocation decisions are based on a dynamic approach whereby a plan 's allocation to fixed income assets increases as the funded status increases . we monitor plan funded status and asset allocation regularly in addition to investment manager performance . we monitor the impact of market conditions on our defined benefit plans on a regular basis . in january 2017 , we made a discretionary $ 50.0 million contribution to the u.s. qualified defined benefit pension plan . at december 31 , 2018 , the funded status of our qualified pension plan for u.s. employees decreased to 93.1 % from 93.3 % at december 31 , 2017 . the funded status for our non-u.s. pension plans decreased to 98.7 % at december 31 , 2018 from 100.5 % at december 31 , 2017 . funded status for all of our pension plans at december 31 , 2018 decreased to 94.1 % from 95.5 % at december 31 , 2017 . for further details on pension plan activity , see note 11 to the consolidated financial statements . contractual obligations the following table summarizes our contractual cash obligations by required payment periods : replace_table_token_17_th future interest payments on variable rate long-term debt are estimated based on the rate in effect as of december 31 , 2018. future expected obligations under our pension and postretirement benefit plans , income taxes , environmental and product liability matters have not been included in the contractual cash obligations table above . pensions at december 31 , 2018 , we had net pension liabilities of $ 38.5 million , which consist of plan assets of $ 611.6 million and benefit obligations of $ 650.1 million . it is our objective to contribute to the pension plans to ensure adequate funds are available in the plans to make benefit payments to plan participants and beneficiaries when required . the funded status for all of our pension plans decreased to 94.1 % at december 31 , 2018 from 95.5 % at december 31 , 2017 . we currently project that an additional approximately $ 11.6 million will be contributed to our plans worldwide in 2019 . because the timing and amounts of long-term funding requirements 42 for pension obligations are uncertain , they have been excluded from the preceding table . see note 11 to the consolidated financial statements for additional information . postretirement benefits other than pensions at december 31 , 2018 , we had postretirement benefit obligations of $ 7.6 million . we fund postretirement benefit costs principally on a pay-as-you-go basis as medical costs are incurred by covered retiree populations . benefit payments , which are net of expected plan participant contributions and medicare part d subsidies , are not expected to be material in 2019 . because the timing and amounts of long-term funding requirements for postretirement obligations are uncertain , they have been excluded from the preceding table . income taxes at december 31 , 2018 , we have total unrecognized tax benefits for uncertain tax positions of $ 42.0 million and $ 5.7 million of related accrued interest and penalties , net of tax . these liabilities have been excluded from the preceding table as we are unable to reasonably estimate the amount and period in which these liabilities might be paid . see note 17 to the consolidated financial statements for additional information regarding matters relating to income taxes , including unrecognized tax benefits and tax authority disputes . contingent liabilities we are

