Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2021	Sep. 27, 2020	Sep. 26, 2021	Sep. 27, 2020
Consolidated Statements of Comprehensive Income (Unaudited)
Income tax expense (benefit)	$ 4,057	$ 4,516	$ 19,387	$ 11,984
Net interest expense	(3,979)	(3,636)	(11,275)	(11,230)
Interest rate swap | Amount reclassified from AOCL
Consolidated Statements of Comprehensive Income (Unaudited)
Income tax expense (benefit)	368		1,139
Net interest expense	(1,644)		(5,084)
Interest expense | Interest rate swap
Consolidated Statements of Comprehensive Income (Unaudited)
Amount of Gain or (Loss) Reclassified from AOCI/AOCL into Income	(1,644)	(1,674)	(5,084)	(3,376)
Net interest expense	$ 3,979	3,636	$ 11,275	11,230
Qualifying as hedges | Interest rate swap | Amount reclassified from AOCL
Consolidated Statements of Comprehensive Income (Unaudited)
Income tax expense (benefit)		378		763
Net interest expense		$ (1,674)		$ (3,376)