Accumulated Other Comprehensive Income (Loss) and Shareholders' Equity (Reclassifications from Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax expense	$ (32,211)	$ (25,399)	$ 19,286
Net income	110,503	93,326	89,898
Reclassifications from accumulated other comprehensive income (loss) | Derivative financial instruments | Interest rate swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense, net	1,392	1,045	(330)
Income tax expense	(329)	(246)	121
Net income	$ 1,063	$ 799	$ (209)