(Loss) Earnings Per Share - Reconciliation of Weighted Average Shares Outstanding Used in Calculation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Apr. 02, 2016	Jan. 02, 2016	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Apr. 02, 2016	Mar. 28, 2015	Mar. 29, 2014
Earnings Per Share [Abstract]
Net income (loss)	$ 1,953	$ (4,586)	$ (3,260)	$ (6,364)	$ (22,941)	$ (6,376)	$ (6,243)	$ (8,251)	$ (12,257)	$ (43,811)	$ (38,334)
Weighted average number of shares - basic									31,411	30,611	29,974
Incremental diluted shares									0	0	0
Weighted average shares used for diluted earnings per share									31,411	30,611	29,974
Net (loss) income per share - basic	$ 0.06	$ (0.15)	$ (0.10)	$ (0.20)	$ (0.75)	$ (0.21)	$ (0.20)	$ (0.27)	$ (0.39)	$ (1.43)	$ (1.28)
Net (loss) income per share - diluted	$ 0.06	$ (0.15)	$ (0.10)	$ (0.20)	$ (0.75)	$ (0.21)	$ (0.20)	$ (0.27)	$ (0.39)	$ (1.43)	$ (1.28)