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SEGMENT INFORMATION - Revenue Per Significant Product or Service (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 24, 2022	Sep. 25, 2021	Sep. 24, 2022	Sep. 25, 2021
Segment Reporting Information [Line Items]
Total revenue	$ 989,157	$ 895,937	$ 2,876,217	$ 2,635,110
RMS
Segment Reporting Information [Line Items]
Total revenue	180,114	171,258	543,066	524,862
DSA
Segment Reporting Information [Line Items]
Total revenue	619,463	531,823	1,755,639	1,573,095
Manufacturing
Segment Reporting Information [Line Items]
Total revenue	$ 189,580	$ 192,856	$ 577,512	$ 537,153

X

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

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-Publisher FASB
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