Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 26, 2020	Dec. 28, 2019	Dec. 29, 2018
Income Statement [Abstract]
Net sales	$ 1,092,748	$ 991,329	$ 973,705
Cost of goods sold	709,632	651,504	600,424
Gross profit	383,116	339,825	373,281
Selling, general and administrative expenses	249,743	233,997	202,138
Income from operations	133,373	105,828	171,143
Other income (expense), net	2,363	(21)	(8)
Income before income taxes	135,736	105,807	171,135
Provision for income taxes	28,866	22,045	37,533
Net income	$ 106,870	$ 83,762	$ 133,602
Earnings per share:
Basic	$ 3.31	$ 2.57	$ 4.04
Diluted	$ 3.30	$ 2.56	$ 4.02
Weighted average shares outstanding:
Basic	32,280	32,606	33,097
Diluted	32,373	32,688	33,207