GOODWILL AND INTANGIBLE ASSETS (Tables)

6 Months Ended

Jun. 26, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The following table provides a rollforward of the Company’s goodwill:

			Adjustments to Goodwill
	December 26, 2020		Acquisitions		Foreign Exchange		June 26, 2021
	(in thousands)
RMS	$	287,759	$	—	$	97	$	287,856
DSA	1,378,130		122,227		994		1,501,351
Manufacturing	143,279		603,379		4,202		750,860
Goodwill	$	1,809,168	$	725,606	$	5,293	$	2,540,067

Schedule of Intangible Assets

The following table displays intangible assets, net by major class:

	June 26, 2021						December 26, 2020
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
	(in thousands)
Backlog	$	9,844	$	(4,291)	$	5,553	$	29,233	$	(29,233)	$	—
Technology	138,207		(89,911)		48,296		130,907		(81,305)		49,602
Trademarks and trade names	13,568		(2,704)		10,864		15,870		(5,648)		10,222
Other	33,327		(5,589)		27,738		20,903		(14,633)		6,270
Other intangible assets	194,946		(102,495)		92,451		196,913		(130,819)		66,094
Client relationships	1,431,254		(466,930)		964,324		1,137,331		(415,826)		721,505
Intangible assets	$	1,626,200	$	(569,425)	$	1,056,775	$	1,334,244	$	(546,645)	$	787,599