CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 28, 2013	Mar. 30, 2013
Statement of Financial Position [Abstract]
Trade receivables, allowances	$ 406	$ 404
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	98,371	98
Finite-Lived Intangible Assets, Accumulated Amortization	$ 18,915	$ 18,378
Preferred stock, without par value	$ 0	$ 0
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Common stock, without par value	$ 0	$ 0
Common stock, shares authorized	100,000,000	100,000,000
Common stock, issued	30,495,000	30,155,000
Common stock, outstanding	30,495,000	30,155,000