ACQUISITIONS - Schedule of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 27, 2022	Mar. 28, 2021	Dec. 31, 2021
Consideration
Cash, net of cash acquired	$ 131,597	$ 28,864
Assets Acquired
Operating lease right-of-use assets	170,875		$ 158,183
Liabilities Assumed
Goodwill	600,119		$ 551,377
2022 Acquisitions
Consideration
Cash, net of cash acquired	130,058
Working capital holdback and other, net	2,500
Common stock issuance	0
Contingent consideration	0
Total consideration	132,558
Assets Acquired
Trade receivables	20,526
Inventories	32,744
Prepaid expenses & other	478
Property, plant & equipment	5,270
Operating lease right-of-use assets	2,917
Identifiable intangible assets	70,000
Liabilities Assumed
Current portion of operating lease obligations	(512)
Accounts payable & accrued liabilities	(25,452)
Operating lease obligations	(2,924)
Deferred tax liabilities	(16,155)
Total fair value of net assets acquired	86,892
Goodwill	45,666
Total net assets acquired	132,558
2021 Acquisitions
Consideration
Cash, net of cash acquired	510,229
Working capital holdback and other, net	(1,190)
Common stock issuance	10,211
Contingent consideration	4,730
Total consideration	523,980
Assets Acquired
Trade receivables	26,224
Inventories	69,343
Prepaid expenses & other	13,740
Property, plant & equipment	55,567
Operating lease right-of-use assets	25,530
Identifiable intangible assets	242,460
Liabilities Assumed
Current portion of operating lease obligations	(5,518)
Accounts payable & accrued liabilities	(32,326)
Operating lease obligations	(20,012)
Deferred tax liabilities	(1,996)
Total fair value of net assets acquired	373,012
Goodwill	150,968
Total net assets acquired	$ 523,980
Certain Acquisitions
Liabilities Assumed
Number of days of working capital	90 days
One Acquisition In 2021
Liabilities Assumed
Common stock issued (in shares)	113,961
Closing price (in dollars per share)	$ 89.60
Tumacs Covers
Liabilities Assumed
Goodwill tax-deductible	$ 6,200