Property and Equipment - Narrative (Details)	2 Months Ended	3 Months Ended			7 Months Ended	9 Months Ended
	Feb. 14, 2014 USD ($)	Sep. 27, 2015 USD ($)	Sep. 28, 2014 USD ($) Store	Sep. 29, 2013 USD ($) Store	Sep. 28, 2014 USD ($)	Sep. 27, 2015 USD ($) Store	Sep. 29, 2013 USD ($)
Property, Plant and Equipment [Line Items]
Number Of Store Previously Impaired | Store				1
General and Administrative Expense [Member]
Property, Plant and Equipment [Line Items]
Depreciation		$ 1,000,000	$ 500,000
Successor [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization		29,400,000	32,100,000		$ 85,383,000	$ 89,597,000
Depreciation					1,200,000	3,000,000
Asset Impairment Charges		875,000	$ 0		0	$ 875,000
Number Of Stores Impaired | Store			0			10
Amortization of Intangible Assets					600,000	$ 1,500,000
Successor [Member] | Impaired Property and Equipment at Impaired Stores [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, net		700,000				700,000
Predecessor [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization	$ 9,883,000
Depreciation	200,000
Asset Impairment Charges	0
Franchise Agreements [Member]
Property, Plant and Equipment [Line Items]
Amortization of Intangible Assets	$ 0	500,000	$ 200,000	$ 0	$ 600,000	$ 1,500,000	$ 0
Franchise Agreements [Member] | Successor [Member]
Property, Plant and Equipment [Line Items]
Amortization of Intangible Assets		$ 500,000	$ 200,000