Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2021	Jun. 28, 2020	Jun. 27, 2021	Jun. 28, 2020
Consolidated Statements of Comprehensive Income (Unaudited)
Income tax expense (benefit)	$ 7,398	$ 4,956	$ 15,330	$ 7,468
Net interest expense	(3,649)	(3,627)	(7,296)	(7,594)
Interest expense | Interest rate swap
Consolidated Statements of Comprehensive Income (Unaudited)
Amount of Gain or (Loss) Reclassified from AOCI/AOCL into Income	(1,730)	(1,372)	(3,439)	(1,702)
Net interest expense	3,649	3,627	7,296	7,594
Qualifying as hedges | Interest rate swap | Amount reclassified from AOCL
Consolidated Statements of Comprehensive Income (Unaudited)
Income tax expense (benefit)	388	332	771	412
Net interest expense	$ (1,730)	$ (1,372)	$ (3,439)	$ (1,702)