Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Apr. 01, 2017
Income Statement [Abstract]
Net sales	$ 702,516	$ 674,949	$ 615,388
Cost of sales	425,863	416,412	385,177
Gross margin	276,653	258,537	230,211
Operating expenses:
Selling, general and administrative	117,504	113,124	102,922
Other, net	27,114	16,639	12,703
Total operating expenses	144,618	129,763	115,625
Operating income	132,035	128,774	114,586
Interest expense, net	5,173	7,507	8,706
Other non-operating expense	772	1,416	996
Income before income taxes	126,090	119,851	104,884
Provision for income taxes	20,897	32,710	34,261
Net income	$ 105,193	$ 87,141	$ 70,623
Net income per common share:
Basic (in dollars per share)	$ 4.32	$ 3.64	$ 3.00
Diluted (in dollars per share)	$ 4.26	$ 3.58	$ 2.97
Weighted average common shares:
Basic (in shares)	24,357,684	23,948,565	23,521,615
Diluted (in shares)	24,716,213	24,363,789	23,784,636