SEGMENT INFORMATION (Tables)

9 Months Ended

Sep. 28, 2019

Segment Reporting [Abstract]

Schedule of Revenue and Other Financial Information by Business Segment

The following table presents revenue and other financial information by reportable segment:

	Three Months Ended				Nine Months Ended
	September 28, 2019		September 29, 2018		September 28, 2019		September 29, 2018
	(in thousands)
RMS
Revenue	$	132,546	$	126,811	$	405,772	$	391,195
Operating income	34,385		32,121		103,729		104,893
Depreciation and amortization	4,895		4,811		14,198		14,565
Capital expenditures	5,818		8,166		14,979		18,105
DSA
Revenue	$	420,079	$	352,257	$	1,179,793	$	958,665
Operating income	64,995		62,909		175,214		160,391
Depreciation and amortization	39,898		31,433		111,231		83,262
Capital expenditures	21,141		10,800		45,130		34,496
Manufacturing
Revenue	$	115,326	$	106,227	$	344,523	$	314,706
Operating income	39,253		33,266		103,893		95,904
Depreciation and amortization	5,990		5,709		17,577		17,313
Capital expenditures	6,421		2,709		14,299		12,731

Reconciliation of Segment Operating Income to Consolidated Operating Income

Reconciliations of segment operating income, depreciation and amortization, and capital expenditures to the respective consolidated amounts are as follows:

	Operating Income						Depreciation and Amortization				Capital Expenditures
	September 28, 2019			September 29, 2018			September 28, 2019		September 29, 2018		September 28, 2019		September 29, 2018
	(in thousands)
Three Months Ended:
Total reportable segments	$	138,633		$	128,296		$	50,783	$	41,953	$	33,380	$	21,675
Unallocated corporate	(45,831		)	(43,934		)	975		1,639		1,783		764
Total consolidated	$	92,802		$	84,362		$	51,758	$	43,592	$	35,163	$	22,439
Nine Months Ended:
Total reportable segments	$	382,836		$	361,188		$	143,006	$	115,140	$	74,408	$	65,332
Unallocated corporate	(140,474		)	(132,287		)	3,256		5,058		2,267		6,046
Total consolidated	$	242,362		$	228,901		$	146,262	$	120,198	$	76,675	$	71,378

Revenue Disaggregated by Products and Services and Geographic Area

The following tables disaggregate the Company’s revenue by major business line and timing of transfer of products or services:

	Three Months Ended				Nine Months Ended
	September 28, 2019		September 29, 2018		September 28, 2019		September 29, 2018
	(in thousands)
Major Products/Service Lines:
RMS	$	132,546	$	126,811	$	405,772	$	391,195
DSA	420,079		352,257		1,179,793		958,665
Manufacturing	115,326		106,227		344,523		314,706
Total revenue	$	667,951	$	585,295	$	1,930,088	$	1,664,566

	Three Months Ended				Nine Months Ended
	September 28, 2019		September 29, 2018		September 28, 2019		September 29, 2018
	(in thousands)
Timing of Revenue Recognition:
RMS
Services and products transferred over time	$	56,243	$	49,417	$	168,377	$	146,947
Services and products transferred at a point in time	76,303		77,394		237,395		244,248
DSA
Services and products transferred over time	419,445		352,203		1,178,874		958,174
Services and products transferred at a point in time	634		54		919		491
Manufacturing
Services and products transferred over time	36,308		31,420		102,674		92,978
Services and products transferred at a point in time	79,018		74,807		241,849		221,728
Total revenue	$	667,951	$	585,295	$	1,930,088	$	1,664,566

Revenue for each significant product or service offering is as follows:

	Three Months Ended				Nine Months Ended
	September 28, 2019		September 29, 2018		September 28, 2019		September 29, 2018
	(in thousands)
RMS	$	132,546	$	126,811	$	405,772	$	391,195
DSA	420,079		352,257		1,179,793		958,665
Manufacturing	115,326		106,227		344,523		314,706
Total revenue	$	667,951	$	585,295	$	1,930,088	$	1,664,566

Revenue by geographic area is as follows:

	U.S.		Europe		Canada		Asia Pacific		Other		Consolidated
	(in thousands)
Three Months Ended:
September 28, 2019	$	373,094	$	184,685	$	71,984	$	36,698	$	1,490	$	667,951
September 29, 2018	336,811		159,473		53,665		34,062		1,284		585,295
Nine Months Ended:
September 28, 2019	$	1,091,194	$	533,820	$	194,865	$	106,090	$	4,119	$	1,930,088
September 29, 2018	919,807		481,955		153,802		104,817		4,185		1,664,566

Summary of Unallocated Corporate Overhead

A summary of unallocated corporate expense consists of the following:

	Three Months Ended				Nine Months Ended
	September 28, 2019		September 29, 2018		September 28, 2019		September 29, 2018
	(in thousands)
Stock-based compensation	$	8,752	$	7,910	$	27,744	$	24,517
Compensation, benefits, and other employee-related expenses	18,770		20,464		54,561		56,375
External consulting and other service expenses	4,156		4,767		12,060		12,711
Information technology	3,534		3,070		10,811		8,723
Depreciation	975		1,639		3,256		5,058
Acquisition and integration	5,679		1,122		23,621		15,678
Other general unallocated corporate	3,965		4,962		8,421		9,225
Total unallocated corporate expense	$	45,831	$	43,934	$	140,474	$	132,287