Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014
Consolidated Statements Of Comprehensive Income [Abstract]
Sales	$ 239,155	$ 221,299	$ 475,675	$ 438,806
Cost of sales, including distribution and occupancy costs	138,430	131,827	275,232	259,311
Gross profit	100,725	89,472	200,443	179,495
Operating, selling, general and administrative expenses	66,626	60,545	132,737	121,158
Operating income	34,099	28,927	67,706	58,337
Interest expense, net of interest income	3,758	2,772	7,150	4,908
Other income, net	(97)	(227)	(203)	(305)
Income before provision for income taxes	30,438	26,382	60,759	53,734
Provision for income taxes	11,566	10,052	23,088	20,472
Net income	18,872	16,330	37,671	33,262
Other comprehensive loss, net of tax:
Changes in pension, net of tax benefit	(105)	(62)	(210)	(123)
Comprehensive income	$ 18,767	$ 16,268	$ 37,461	$ 33,139
Earnings per share:
Basic	$ 0.59	$ 0.51	$ 1.17	$ 1.05
Diluted	$ 0.57	$ 0.50	$ 1.14	$ 1.01