ACQUISITIONS (Details) - USD ($) $ in Thousands		9 Months Ended
	Sep. 24, 2020	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Business Acquisition [Line Items]
Goodwill		$ 1,207,881		$ 1,166,680
Acquisition of businesses, net of cash acquired		82,053	$ 50,075
Business Combination, Consideration Transferred	$ 400,000
2019 acquisitions [Member]
Business Acquisition [Line Items]
Accounts Receivable			2,300
Inventory			322
Property, Plant, and Equipment			648
Other Current and Non-current Assets			479
Intangible Assets, Other than Goodwill			26,000
Right of Use Assets			1,393
Current and Non-current Liabilities			(3,252)
Net Tangible Assets Acquired (Liabilities) Assumed			27,890
Goodwill			22,185
Net Tangible and Intangible Assets			50,075
Acquisition of businesses, net of cash acquired			50,075
Business Combination, Consideration Transferred			50,075
Goodwill, Expected Tax Deductible Amount			$ 22,635
2020 acquisitions [Member]
Business Acquisition [Line Items]
Accounts Receivable		3,204
Inventory		10,233
Property, Plant, and Equipment		1,332
Other Current and Non-current Assets		188
Intangible Assets, Other than Goodwill		39,384
Right of Use Assets		1,992
Current and Non-current Liabilities		(10,590)
Net Tangible Assets Acquired (Liabilities) Assumed		45,743
Goodwill		43,912
Net Tangible and Intangible Assets		89,655
Cash paid to date, net of cash acquired		82,053
Payments To Acquire Business, Remaining To Be Paid		7,602
Business Combination, Consideration Transferred		89,655
Goodwill, Expected Tax Deductible Amount		$ 38,519