Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Apr. 02, 2017	Apr. 03, 2016	Jan. 01, 2017
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss)	$ (5,596)	$ 2,145	$ 45,472
Net income (loss) available to common stockholders	$ (5,596)	$ 1,666
Basic weighted average common shares outstanding	35,384,223	35,101,757
Basic net income (loss) per share	$ (0.16)	$ 0.05
Dilutive effect of preferred stock and non-vested shares	0	9,779,130
Shares used in computing diluted net income (loss) per share	35,384,223	44,880,887
Diluted net income (loss) per share	$ (0.16)	$ 0.05
Shares excluded from diluted net income (loss) per share computations (1)	10,207,697	0
Restricted Stock [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Less: Income attributable to participating securities	$ 0	$ (32)
Preferred Stock [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Less: Income attributable to participating securities	$ 0	$ (447)