Earnings (loss) Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 27, 2014	Dec. 28, 2013	Dec. 27, 2014	Dec. 28, 2013
Earnings Per Share [Abstract]
Net income (loss)	$ 5,274	$ 6,658	$ 12,420	$ 19,148
Weighted-average common shares outstanding (basic)	15,392,000	15,771,000	15,439,000	15,902,000
Effect of dilutive securities from equity awards (shares)	62,000	96,000	62,000	87,000
Weighted-average common shares outstanding (diluted)	15,454,000	15,867,000	15,501,000	15,989,000
Basic earnings (loss) per common share (in US$ per share)	$ 0.34	$ 0.42	$ 0.80	$ 1.20
Diluted earnings (loss) per common share (in US$ per share)	$ 0.34	$ 0.42	$ 0.80	$ 1.20
Non-dilutive equity awards excluded from computation of weighted-average common shares outstanding (shares)	1,882,003	1,919,667	1,885,103	2,080,532