On April 29, 2019, the Company acquired Citoxlab, a non-clinical CRO, specializing in regulated safety assessment services, non-regulated discovery services, and medical device testing. With operations in Europe and North America, the acquisition of Citoxlab further strengthens the Company’s position as a leading, global, early-stage CRO by expanding its scientific portfolio and geographic footprint, which enhances the Company’s ability to partner with clients across the drug discovery and development continuum. The preliminary purchase price for Citoxlab was $527.7 million in cash, subject to certain post-closing adjustments that may change the purchase price. The acquisition was funded through a combination of cash on hand and proceeds from the Company’s Credit Facility under the multi-currency revolving facility. This business is reported as part of the Company’s DSA reportable segment.



	April 29, 2019
	(in thousands)
Trade receivables (contractual amount of $35,405)	$	35,405
Inventories	5,282
Other current assets (excluding cash)	13,822
Property, plant and equipment	88,912
Goodwill	280,588
Definite-lived intangible assets	162,400
Other long-term assets	20,164
Deferred revenue	(15,278		)
Current liabilities	(46,682		)
Deferred tax liabilities	(27,655		)
Other long-term liabilities	(21,916		)
Redeemable noncontrolling interest	(4,035		)
Total purchase price allocation	$	491,007

The preliminary purchase price allocation is subject to change as additional information becomes available concerning the fair value and tax basis of the assets acquired and liabilities assumed, including certain contracts and obligations. Any additional adjustments to the purchase price allocation will be made as soon as practicable but no later than one year from the date of acquisition.



	Definite-Lived Intangible Assets		Weighted Average Amortization Life
	(in thousands)		(in years)
Client relationships	$	134,600	13
Developed technology	19,900		3
Backlog	7,900		1
Total definite-lived intangible assets	$	162,400	12

The goodwill resulting from the transaction, $7.2 million of which is deductible for tax purposes due to a prior asset acquisition, is primarily attributable to the potential growth of the Company’s DSA business from customers introduced through Citoxlab and the assembled workforce of the acquired business.

The Company incurred transaction and integration costs in connection with the acquisition of $1.9 million and $19.1 million for the three and nine months ended September 28, 2019, respectively, which were primarily included in Selling, general and administrative expenses within the unaudited condensed consolidated statements of income.

Beginning on April 29, 2019, Citoxlab has been included in the operating results of the Company. Citoxlab revenue for the three and nine months ended September 28, 2019 was $44.0 million and $74.9 million, respectively. Citoxlab operating income for the three and nine months ended September 28, 2019 was $0.2 million and $2.2 million, respectively.

The following selected unaudited pro forma consolidated results of operations are presented as if the Citoxlab acquisition had occurred as of the beginning of the period immediately preceding the period of acquisition, which is December 31, 2017, after giving effect to certain adjustments. For the nine months ended September 28, 2019, these adjustments included additional amortization of intangible assets and depreciation of fixed assets of $4.8 million, additional interest expense on borrowings of $1.2 million, elimination of intercompany activity and other one-time costs, and the tax impacts of these adjustments. For the nine months ended September 29, 2018, these adjustments included additional amortization of intangible assets and depreciation of fixed assets of $7.3 million, additional interest expense on borrowings of $3.1 million, elimination of intercompany activity and other one-time costs, and the tax impacts of these adjustments.



	Three Months Ended				Nine Months Ended
	September 28, 2019		September 29, 2018		September 28, 2019		September 29, 2018
	(in thousands)
Revenue	$	667,951	$	627,758	$	1,992,472	$	1,795,312
Net income attributable to common shareholders	$	74,948	$	63,919	$	189,601	$	170,557

These unaudited pro forma results of operations have been prepared for comparative purposes only, and they do not purport to be indicative of the results of operations that actually would have resulted had the acquisition occurred on the dates indicated or that may result in the future. No effect has been given for synergies, if any, that may be realized through the acquisition.

On April 3, 2018, the Company acquired MPI Research, a non-clinical CRO providing comprehensive testing services to biopharmaceutical and medical device companies worldwide. The acquisition enhances the Company’s position as a leading global early-stage CRO by strengthening its ability to partner with clients across the drug discovery and development continuum. The purchase price for MPI Research was $829.7 million in cash. The acquisition was funded by borrowings on the Credit Facility as well as the issuance of the Company’s Senior Notes. See Note 9, “Long-Term Debt and Finance Lease Obligations.” This business is reported as part of the Company’s DSA reportable segment.



	April 3, 2018
	(in thousands)
Trade receivables (contractual amount of $35,073)	$	35,073
Inventories	4,463
Other current assets (excluding cash)	5,893
Property, plant and equipment	128,403
Goodwill	441,656
Definite-lived intangible assets	309,200
Other long-term assets	1,081
Deferred revenue	(23,926		)
Current liabilities	(32,885		)
Deferred tax liabilities	(65,945		)
Other long-term liabilities	(2,213		)
Total purchase price allocation	$	800,800

From the date of the acquisition through March 30, 2019, the Company recorded measurement-period adjustments related to the acquisition that resulted in an immaterial change to the purchase price allocation on a consolidated basis. No further adjustments will be made to the purchase price allocation.



	Definite-Lived Intangible Assets		Weighted Average Amortization Life
	(in thousands)		(in years)
Client relationships	$	264,900	13
Developed technology	23,400		3
Backlog	20,900		1
Total definite-lived intangible assets	$	309,200	12

The goodwill resulting from the transaction, $4.1 million of which is deductible for tax purposes due to a prior asset acquisition, is primarily attributable to the potential growth of the Company’s DSA business from customers introduced through MPI Research and the assembled workforce of the acquired business.

No significant integration costs were incurred in connection with the acquisition for the three and nine months ended September 28, 2019. The Company incurred transaction and integration costs in connection with the acquisition of $0.8 million and $15.3 million for the three and nine months ended September 29, 2018, respectively, which were primarily included in Selling, general and administrative expenses within the unaudited condensed consolidated statements of income.

The following selected unaudited pro forma consolidated results of operations are presented as if the MPI Research acquisition had occurred as of the beginning of the period immediately preceding the period of acquisition, which is January 1, 2017, after giving effect to certain adjustments. For the nine months ended September 29, 2018, these adjustments included additional amortization of intangible assets and depreciation of fixed assets of $11.8 million, additional interest expense on borrowings of $2.8 million, elimination of intercompany activity and other one-time costs, and the tax impacts of these adjustments.

On January 11, 2018, the Company acquired KWS BioTest Limited (KWS BioTest), a CRO specializing in in vitro and in vivo discovery testing services for immuno-oncology, inflammatory and infectious diseases. The acquisition enhances the Company’s discovery expertise, with complementary offerings that provide the Company’s customers with additional tools in the active therapeutic research areas of oncology and immunology. The purchase price for KWS BioTest was $20.3 million in cash and was funded by the Company’s various borrowings. In addition to the initial purchase price, the transaction includes aggregate, undiscounted contingent payments of up to £3.0 million based on future performance. During the three months ended September 29, 2018, the terms of these contingent payments were amended, resulting in a fixed payment of £2.0 million, or $2.6 million, which was paid during the three months ended March 30, 2019. The KWS BioTest business is reported as part of the Company’s DSA reportable segment.



	January 11, 2018
	(in thousands)
Trade receivables (contractual amount of $1,309)	$	1,309
Other current assets (excluding cash)	99
Property, plant and equipment	1,136
Definite-lived intangible assets - client relationships	3,647
Goodwill	17,660
Current liabilities	(1,575		)
Deferred revenue	(151		)
Long-term liabilities	(596		)
Total purchase price allocation	$	21,529

From the date of the acquisition through December 29, 2018, the Company recorded measurement-period adjustments related to the acquisition that resulted in an immaterial change to the purchase price allocation on a consolidated basis. No further adjustments will be made to the purchase price allocation.

The goodwill resulting from the transaction is primarily attributable to the potential growth of the Company’s DSA business from customers introduced through KWS BioTest and the assembled workforce of the acquired business. The goodwill attributable to KWS BioTest is not deductible for tax purposes.

No significant integration costs were incurred in connection with the acquisition for the three and nine months ended September 28, 2019. The Company incurred transaction and integration costs of $0.1 million and $0.6 million in connection with the acquisition for the three and nine months ended September 29, 2018, respectively, which were included in Selling, general and administrative expenses, within the unaudited condensed consolidated statements of income.

Pro forma financial information as well as actual revenue and operating income have not been included because KWS BioTest’s financial results are not significant when compared to the Company’s consolidated financial results.

On August 28, 2019, the Company acquired an 80% ownership interest in a supplier that supports the Company’s DSA reportable segment. The remaining 20% interest is a redeemable non-controlling interest. See Note 10, “Equity and Noncontrolling Interests.” The preliminary purchase price was $23.4 million, net of a $4.0 million pre-existing relationship for a supply agreement settled upon acquisition, and subject to certain post-closing adjustments that may change the purchase price. The acquisition was funded through a combination of cash on hand and proceeds from the Company’s Credit Facility under the multi-currency revolving facility. The business is reported as part of the Company’s DSA reportable segment.



	August 28, 2019
	(in thousands)
Trade receivables (contractual amount of $189)	$	189
Inventories	7,644
Property, plant and equipment	1,462
Goodwill	12,528
Other long-term assets	11,849
Current liabilities	(300		)
Deferred tax liabilities	(1,331		)
Other long-term liabilities	(238		)
Redeemable noncontrolling interest	(8,740		)
Total purchase price allocation	$	23,063

The purchase price allocation is subject to change as additional information becomes available concerning the fair value and tax basis of the assets acquired and liabilities assumed, including certain contracts and obligations. Any additional adjustments to the purchase price allocation will be made as soon as practicable but no later than one year from the date of acquisition.

The Company incurred transaction and integration costs in connection with the acquisition of $2.1 million and $3.2 million for the three and nine months ended September 28, 2019, respectively, which are primarily included in Selling, general and administrative expenses within the unaudited condensed statements of income.

Pro forma financial information as well as the disclosure of actual results have not been included because these financial results are not significant when compared to the Company’s consolidated financial results.