CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 28, 2015	Mar. 29, 2014
Statement of Financial Position [Abstract]
Trade receivables, allowances	$ 712	$ 404
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	30,704,000	30,155,000
Common stock, outstanding	30,704,000	30,155,000