Revenue From Contracts With Customers (Tables)

3 Months Ended

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

The following tables disaggregate the Company’s revenue by major business line and timing of transfer of products or services for the three months ended March 31, 2018 (in thousands):



Major Products/Service Lines:
RMS	$	133,958
DSA	259,992
Manufacturing	100,020
Total revenue	$	493,970



Timing of Revenue Recognition:
RMS
Services and products transferred over time	$	48,726
Services and products transferred at a point in time	85,232
DSA
Services and products transferred over time	259,744
Services and products transferred at a point in time	248
Manufacturing
Services and products transferred over time	28,571
Services and products transferred at a point in time	71,449
Total revenue	$	493,970

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



	Three Months Ended
	March 31, 2018		April 1, 2017
	(in thousands)
RMS	$	133,958	$	127,161
DSA	259,992		227,758
Manufacturing	100,020		90,844
Total revenue	$	493,970	$	445,763

Revenue by geographic area is as follows:



	U.S.		Europe		Canada		Asia Pacific		Other		Consolidated
	(in thousands)
Three Months Ended:
March 31, 2018	$	248,980	$	160,826	$	48,578	$	34,520	$	1,066	$	493,970
April 1, 2017	231,311		136,881		47,187		30,095		289		445,763

Schedule of Estimated Revenue Related to Performance Obligations

The following table includes estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied (or partially satisfied) as of March 31, 2018:



	Revenues Expected to be Recognized in Future Periods
	Less than 1 Year		1 to 3 Years		Total
	(in thousands)
DSA	$	72,872	$	55,029	$	127,901
Manufacturing	132		255		387
Total	$	73,004	$	55,284	$	128,288

Schedule of Client Receivables, Contract Assets and Contract Liabilities

The following table provides information about client receivables, contract assets, and contract liabilities from contracts with customers:



	March 31, 2018		December 30, 2017 ⁽¹⁾
	(in thousands)
Balances from contracts with customers only:
Client receivables	$	343,546	$	335,839
Contract assets (unbilled revenue)	98,801		96,297
Contract liabilities (current and long-term deferred revenue)	108,786		125,882
Contract liabilities (customer contract deposits)	23,566		—

⁽¹⁾ The beginning balance as of December 30, 2017 is presented under the guidance of ASC 605.