(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. 01, 2017	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Jan. 02, 2016	Sep. 26, 2015	Jun. 27, 2015	Apr. 01, 2017	Apr. 02, 2016	Mar. 28, 2015
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss)	$ (17,923)	$ (9,693)	$ (9,675)	$ (118)	$ 1,953	$ (4,586)	$ (3,260)	$ (6,364)	$ (37,409)	$ (12,257)	$ (43,811)
Weighted average number of shares - basic									32,551	31,411	30,611
Weighted average shares used for diluted earnings per share									32,551	31,411	30,611
Net (loss) income per share - basic	$ (0.54)	$ (0.29)	$ (0.30)	$ 0.00	$ 0.06	$ (0.15)	$ (0.10)	$ (0.20)	$ (1.15)	$ (0.39)	$ (1.43)
Net (loss) income per share - diluted	$ (0.54)	$ (0.29)	$ (0.30)	$ 0.00	$ 0.06	$ (0.15)	$ (0.10)	$ (0.20)	$ (1.15)	$ (0.39)	$ (1.43)