Earnings (loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2016	Dec. 26, 2015	Sep. 26, 2015	Jun. 27, 2015	Mar. 31, 2015	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Earnings Per Share [Abstract]
Net income (loss)	$ (47,748)	$ 5,737	$ (129,845)	$ 754	$ 2,922	$ 5,274	$ 3,203	$ 3,943	$ (171,102)	$ 15,342	$ (115,873)
Weighted-average common shares outstanding (basic) (shares)									15,303,000	15,407,000	15,813,000
Effect of dilutive securities from equity awards (shares)									0	76,000	0
Weighted-average common shares outstanding (diluted) (shares)									15,303,000	15,483,000	15,813,000
Basic earnings (loss) per common share (in US$ per share)	$ (3.13)	$ 0.37	$ (8.45)	$ 0.05	$ 0.19	$ 0.34	$ 0.21	$ 0.25	$ (11.18)	$ 1.00	$ (7.33)
Dilutive earnings (loss) per common share (in US$ per share)	$ (3.13)	$ 0.37	$ (8.45)	$ 0.05	$ 0.19	$ 0.34	$ 0.21	$ 0.25	$ (11.18)	$ 0.99	$ (7.33)
Non-dilutive equity awards excluded from computation of weighted-average common shares outstanding (shares)									1,526,992	1,851,059	2,017,805