Consolidated Statements of Changes in Stockholders' Equity Statement - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]
Beginning Balance (in shares) at Dec. 28, 2014		200
Beginning balance at Dec. 28, 2014	$ 292,586	$ 0	$ 355,587	$ (62,088)	$ (913)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(12,510)			(12,510)
Other comprehensive income (loss)	(2,403)				(2,403)
Stock-based compensation costs	855		855
Restricted stock issued, net of forfeitures	18
Tax benefit from restricted stock, net			18
Dividends, Cash	(70,000)			(70,000)
Ending Balance (in shares) at Jan. 03, 2016		200
Ending balance at Jan. 03, 2016	208,546	$ 0	356,460	(144,598)	(3,316)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(3,667)
Other comprehensive income (loss)	420				420
Stock-based compensation costs	702		702
Restricted stock issued, net of forfeitures	4
Tax benefit from restricted stock, net			4
Ending Balance (in shares) at Jan. 01, 2017		200
Ending balance at Jan. 01, 2017	206,005	$ 0	357,166	(148,265)	(2,896)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	53,066
Other comprehensive income (loss)	1,010				1,010
Stock-based compensation costs	620		620
Restricted stock issued, net of forfeitures	1,447
Tax benefit from restricted stock, net			1,447
Ending Balance (in shares) at Dec. 31, 2017		200
Ending balance at Dec. 31, 2017	$ 262,149	$ 0	$ 359,234	$ (95,199)	$ (1,886)