Debt, Obligations Under Capital Leases and Deemed Landlord Financing Liabilities - Schedule of Debt (Details) - USD ($) $ in Thousands		12 Months Ended
	Aug. 04, 2015	Jan. 03, 2017	Dec. 29, 2015
Debt Instrument [Line Items]
Total debt, net		$ 175,331
Successor
Debt Instrument [Line Items]
Total outstanding indebtedness		157,616	$ 152,224
Obligations under capital leases and deemed landlord financing liabilities		17,715	17,469
Total debt, net		175,331	169,693
Less: amounts due within one year		1,588	1,725
Total amounts due after one year, net		173,743	167,968
Successor | 2015 Senior Credit Facility
Debt Instrument [Line Items]
Total outstanding indebtedness		157,616	152,224
Unamortized debt discount	$ 1,400	1,035	1,328
Deferred financing costs		$ 349	$ 448
Unused commitment fee percentage (percent)	0.25%	0.20%
Base Rate | Successor | 2015 Senior Credit Facility
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate, Increase (Decrease)		0.25%
LIBOR | Successor | 2015 Senior Credit Facility
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate, Increase (Decrease)		0.25%