CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020	Jan. 02, 2021
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, Tax	$ 254	$ (532)	$ (623)	$ 2,591
Unrealized (loss) gain on interest rate swap, tax	$ 245	$ (964)	$ 4,572	$ (10,263)
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2020-06
Cumulative Effect Period of Adoption, Additional Paid In Capital					$ 79,400
Cumulative Effect Period of Adoption, Retained Earnings					5,100
Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings | Accounting Standards Update 2020-06
Cumulative Effect Period of Adoption of ASU 2020-06, tax impact					1,600
Cumulative Effect, Period of Adoption, Adjustment | Paid-in Capital | Accounting Standards Update 2020-06
Cumulative Effect Period of Adoption of ASU 2020-06, tax impact					$ 25,500