Earnings (Loss) 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		6 Months Ended
	Oct. 01, 2016	Sep. 26, 2015	Oct. 01, 2016	Sep. 26, 2015
Earnings Per Share [Abstract]
Net income (loss)	$ (9,675)	$ (3,260)	$ (9,793)	$ (9,624)
Weighted average number of shares - basic	32,396	31,384	32,109	31,280
Weighted average shares used for diluted earnings per share	32,396	31,384	32,109	31,280
Net (loss) income per share - basic	$ (0.30)	$ (0.10)	$ (0.30)	$ (0.31)
Net (loss) income per share - diluted	$ (0.30)	$ (0.10)	$ (0.30)	$ (0.31)