Accumulated Other Comprehensive Income (Loss) and Shareholders' Equity - Narrative (Details) - USD ($)	Sep. 26, 2020	Dec. 28, 2019	Aug. 31, 2019
Class of Stock [Line Items]
Accumulated other comprehensive income (loss)	$ (9,829,000)	$ (8,073,000)
Common Stock
Class of Stock [Line Items]
Remaining authorized repurchase amount	158,300,000
Interest rate swap
Class of Stock [Line Items]
Derivative, notional amount			$ 75,000,000
Derivative, fixed interest rate			1.42%
Derivative liability	2,600,000
Accumulated other comprehensive income (loss)	$ (1,900,000)