Property and Equipment - Narrative (Details) (USD $)	2 Months Ended	3 Months Ended		7 Months Ended	9 Months Ended
	Feb. 14, 2014	Sep. 28, 2014	Sep. 29, 2013 Store	Sep. 28, 2014	Sep. 29, 2013 Store	Dec. 29, 2013
Property, Plant and Equipment [Line Items]
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation		$ 700,000		$ 700,000		$ 10,400,000
Depreciation	9,800,000	31,800,000	19,800,000	84,600,000	59,300,000
Asset impairment charge			500,000		800,000
Number Of Stores Impaired			1		2
Number Of Store Previously Impaired			1		1
Fair Value Inputs, Discount Rate					7.00%
Fair Value Inputs, Long-term Revenue Growth Rate					0.00%
Fair Value Inputs, Earnings before Interest, Taxes, Depreciation, and Amortization Multiple					0.12
Impaired Property and Equipment at Impaired Stores [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, net			900,000		900,000
General and Administrative Expense [Member]
Property, Plant and Equipment [Line Items]
Depreciation	$ 200,000	$ 200,000	$ 200,000	$ 600,000	$ 600,000