Consolidated Statements Of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 29, 2018	Sep. 23, 2017	Sep. 29, 2018	Sep. 23, 2017
Consolidated Statements Of Comprehensive Income [Abstract]
Sales	$ 307,105	$ 278,017	$ 602,916	$ 556,507
Cost of sales, including distribution and occupancy costs	187,157	170,076	365,731	335,682
Gross profit	119,948	107,941	237,185	220,825
Operating, selling, general and administrative expenses	85,440	74,120	169,605	153,256
Operating income	34,508	33,821	67,580	67,569
Interest expense, net of interest income	6,803	6,117	13,383	11,859
Other income, net	(261)	(226)	(488)	(238)
Income before provision for income taxes	27,966	27,930	54,685	55,948
Provision for income taxes	6,205	10,663	12,280	21,096
Net income	21,761	17,267	42,405	34,852
Other comprehensive loss, net of tax:
Changes in pension, net of tax benefit	(74)	(50)	(151)	(100)
Comprehensive income	$ 21,687	$ 17,217	$ 42,254	$ 34,752
Earnings per common share:
Basic	$ 0.66	$ 0.52	$ 1.28	$ 1.06
Diluted	$ 0.65	$ 0.52	$ 1.26	$ 1.05
Weighted average number of common shares outstanding used in computing earnings per share:
Basic	32,911	32,754	32,882	32,729
Diluted	33,640	33,309	33,546	33,300