Acquisitions - Preliminary Purchase Price (Details) - USD ($) $ in Thousands	May 28, 2021	May 04, 2021	Aug. 01, 2019	Dec. 31, 2021	Dec. 25, 2020	Dec. 27, 2019	Jul. 17, 2019	Mar. 14, 2019
Business Acquisition [Line Items]
Accounts receivable						$ 23,064
Inventory						61,646
Prepaid expenses and other current assets						8,864
Property and equipment						9,307
Other intangible assets						308,627
Deferred tax assets						991
Other assets						1,038
Total identifiable assets acquired						413,537
Accounts payable						27,398
Accrued liabilities						40,887
Other liabilities						6,985
Deferred income tax liabilities						41,003
Total liabilities assumed						116,273
Net identifiable assets acquired						297,264
Goodwill				$ 580,761	$ 559,735	287,527
Net assets acquired						$ 584,791
ANLA, LLC
Business Acquisition [Line Items]
Total purchase consideration	$ 38,641	$ 36,334
Cash and cash equivalents	795
Accounts receivable	794
Inventory	2,029
Property and equipment	77
Identifiable intangible assets	17,700
Total identifiable assets acquired	21,395
Accounts payable	1,266
Accrued liabilities	1,218
Other liabilities	586
Deferred income tax liabilities	710
Total liabilities assumed	3,780
Net identifiable assets acquired	17,615
Goodwill	21,026
Net assets acquired	$ 38,641
MRI
Business Acquisition [Line Items]
Accounts receivable								$ 902
Inventory								5,908
Prepaid expenses and other current assets								84
Property and equipment								219
Other intangible assets								3,397
Deferred tax assets								166
Other assets								0
Total identifiable assets acquired								10,676
Accounts payable								2,694
Accrued liabilities								950
Other liabilities								0
Deferred income tax liabilities								0
Total liabilities assumed								3,644
Net identifiable assets acquired								7,032
Goodwill								2,228
Net assets acquired								$ 9,260
CPD
Business Acquisition [Line Items]
Accounts receivable							$ 437
Inventory							6,084
Prepaid expenses and other current assets							64
Property and equipment							174
Other intangible assets							8,078
Deferred tax assets							150
Other assets							0
Total identifiable assets acquired							14,987
Accounts payable							4,153
Accrued liabilities							681
Other liabilities							0
Deferred income tax liabilities							0
Total liabilities assumed							4,834
Net identifiable assets acquired							10,153
Goodwill							2,354
Net assets acquired							$ 12,507
C4
Business Acquisition [Line Items]
Total purchase consideration			$ 563,024
Accounts receivable			21,725
Inventory			49,654
Prepaid expenses and other current assets			8,716
Property and equipment			8,914
Other intangible assets			297,152
Deferred tax assets			675
Other assets			1,038
Total identifiable assets acquired			387,874
Accounts payable			20,551
Accrued liabilities			39,256
Other liabilities			6,985
Deferred income tax liabilities			41,003
Total liabilities assumed			107,795
Net identifiable assets acquired			280,079
Goodwill			282,945
Net assets acquired			$ 563,024