CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Income Statement [Abstract]
Net revenues	$ 227,580	$ 235,755	$ 452,068	$ 455,297
Cost of goods sold	119,466	115,871	237,676	224,002
Gross profit	108,114	119,884	214,392	231,295
Operating expenses:
Research and development	10,938	14,946	26,319	26,155
Selling, general and administrative	84,769	81,508	177,331	188,318
Total operating expenses	95,707	96,454	203,650	214,473
Operating income	12,407	23,430	10,742	16,822
Interest and other expense, net	(2,645)	(2,542)	(5,188)	(5,183)
Income before provision for income taxes	9,762	20,888	5,554	11,639
Provision for income taxes	2,275	4,340	1,715	2,965
Net income	7,487	16,548	3,839	8,674
Net income per share - basic (in dollars per share)	$ 0.15	$ 0.32	$ 0.07	$ 0.17
Net income per share - diluted (in dollars per share)	$ 0.14	$ 0.32	$ 0.07	$ 0.17
Weighted average shares outstanding
Basic (in shares)	51,391	51,492	51,567	51,360
Diluted (in shares)	51,925	52,361	52,056	52,200
Comprehensive income	$ 6,990	$ 15,308	$ 2,495	$ 7,174