Income Taxes - Schedule of Effective Rates and the Statutory Federal Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Dec. 29, 2015	Jun. 30, 2015	Jan. 03, 2017	Dec. 30, 2014
Successor
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Federal income taxes	$ 968		$ 12,685
State and local income taxes, net of federal tax benefit	280		1,882
Targeted job credits	(512)		(448)
Warrant liability	0		0
Investment in subsidiary	83		570
Change in valuation allowance	(1,927)		0
Transaction costs	1,194		227
Permanent tax differences and other	26		413
Income tax provision	$ 112		$ 15,329
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Federal income taxes (percent)	35.00%		35.00%
State and local income taxes, net of federal tax benefit (percent)	10.10%		5.20%
Targeted job credits (percent)	(18.50%)		(1.20%)
Warrant liability (percent)	(0.00%)		(0.00%)
Investment in subsidiary (percent)	3.00%		1.60%
Change in valuation allowance (percent)	(69.70%)		0.00%
Transaction costs (percent)	43.20%		0.60%
Permanent tax differences and other (percent)	1.00%		1.10%
Effective income tax rates (percent)	4.10%		42.30%
Predecessor
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Federal income taxes		$ 995		$ (2,855)
State and local income taxes, net of federal tax benefit		435		(348)
Targeted job credits		(34)		(289)
Warrant liability		(12)		496
Investment in subsidiary		383		560
Change in valuation allowance		(2,805)		3,097
Transaction costs		2,255		0
Permanent tax differences and other		(477)		437
Income tax provision		$ 740		$ 1,098
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Federal income taxes (percent)		35.00%		35.00%
State and local income taxes, net of federal tax benefit (percent)		15.30%		4.20%
Targeted job credits (percent)		(1.20%)		3.50%
Warrant liability (percent)		(0.40%)		(6.10%)
Investment in subsidiary (percent)		13.50%		(6.90%)
Change in valuation allowance (percent)		(98.60%)		(38.00%)
Transaction costs (percent)		79.30%		0.00%
Permanent tax differences and other (percent)		(16.90%)		(5.20%)
Effective income tax rates (percent)		26.00%		(13.50%)

Effective Income Tax Rate Reconciliation, Investment in Subsidiary, Amount

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