Facilities Action (Income) Charges, Net System Optimization Assets Held for Sale (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended	12 Months Ended		2 Months Ended
	Mar. 30, 2014 stores	Dec. 28, 2014 stores	Dec. 28, 2014 stores	Dec. 29, 2013 stores	Feb. 18, 2015 stores	Jul. 31, 2013 stores
System Optimization [Member]
Restructuring Cost and Reserve [Line Items]
Number of Restaurants Classified as Assets Held for Sale		102	102	181
Significant Changes, Franchises Sold	174	29	203	244
Proceeds from sales of restaurants			$ 107,833	$ 130,154
Significant Changes, Planned Franchises to Sell						425
Prepaid Expenses and Other Current Assets [Member] | System Optimization [Member]
Restructuring Cost and Reserve [Line Items]
Disposal Group, Including Discontinued Operation, Long Lived Assets		24,416	24,416	29,630
Subsequent Event [Member]
Restructuring Cost and Reserve [Line Items]
Significant Changes, Planned Franchises to Sell					500
Future company-owned restaurant ownership percentage					5.00%
Subsequent Event [Member] | System Optimization [Member]
Restructuring Cost and Reserve [Line Items]
Significant Changes, Franchises Sold					9
Proceeds from sales of restaurants					$ 3,000