4. Business Acquisitions and Disposals Roper completed six business acquisitions in the nine month period ended September 30, 2015, with an aggregate purchase price of $1.0 billion using a combination of cash on hand and borrowings under its revolving credit facility. The results of operations of the acquired companies have been included in Roper's consolidated results since the date of each acquisition. Supplemental pro forma information has not been provided as the acquisitions did not have a material impact on Roper's consolidated results of operations individually or in aggregate. During the first quarter of 2015, Roper acquired 100% of the shares of Strata Decision Technology LLC, a provider of planning and budget software for health care providers on January 21, SoftWriters Inc., a provider of long-term care pharmacy operating software on February 9, and Data Innovations LLC, a provider of clinical and blood laboratory middleware on March 4. All three are reported in the Medical &amp; Scientific Imaging segment. During the third quarter of 2015, Roper acquired 100% of the shares of On Center Software, LLC, a leading construction automation technology company on July 20 and RF IDeas, Inc, a provider of proprietary identification card technology solutions on September 1, both of which are reported in the RF Technology segment. Roper also acquired the assets of Atlantic Health Partners, LLC, a group purchasing organization specializing in vaccines for the physician marketplace on September 4, which is reported in the Medical &amp; Scientific Imaging segment. During the nine months ended September 30, 2015, the Company expensed transaction costs of $3.6 million related to the acquisitions as corporate general and administrative expenses, as incurred. The Company recorded $683 million in goodwill and $400 million of other identifiable intangibles in connection with the acquisitions; however, purchase price allocations are preliminary pending final intangible valuations and tax-related adjustments. Of the $400 mi