Fair Value Measurements Fair Value of Items Measured on Nonrecurring Basis (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				12 Months Ended					3 Months Ended
	Dec. 28, 2014	Sep. 28, 2014	Dec. 29, 2013	Sep. 29, 2013	Dec. 28, 2014		Dec. 29, 2013		Dec. 30, 2012	Apr. 01, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
System Optimization Remeasurement					$ 8,628		$ 20,506		$ 0
Impairment of long-lived assets	7,245	3,408	10,552	5,327	10,985		15,879		21,097
Impairment of goodwill			9,397		0		9,397		0
Impairment of long-lived assets					19,613		31,058
Impairment of long-lived assets, nonrecurring					19,613		45,782		21,097
System Optimization [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
System Optimization Remeasurement					8,628	[1]	20,506	[1]
Properties and Other Intangible Assets, Operating Restaurants [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of long-lived assets					5,146		9,094
Properties and Other Intangible Assets, Franchisee Leased / Subleased Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of long-lived assets					3,365
Properties and Other Intangible Assets, Surplus Properties and Non-SO Held-for-sale [Member] [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of long-lived assets					2,474		1,458
Corporate Aircraft [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of long-lived assets							5,327			1,628
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-lived assets	13,618		14,788		13,618		14,788
Goodwill			0				0
Total	13,618		23,288		13,618		23,288
Fair Value, Measurements, Nonrecurring [Member] | Corporate Aircraft [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aircraft			8,500				8,500
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-lived assets	0		0		0		0
Goodwill			0				0
Total	0		0		0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member] | Corporate Aircraft [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aircraft			0				0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-lived assets	0		0		0		0
Goodwill			0				0
Total	0		0		0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] | Corporate Aircraft [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aircraft			0				0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-lived assets	13,618		14,788		13,618		14,788
Goodwill			0				0
Total	13,618		23,288		13,618		23,288
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Corporate Aircraft [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aircraft			8,500				8,500
Facilities action charges, net [Member] | Properties and Other Intangible Assets, Franchisee Leased / Subleased Assets [Member] | System Optimization [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
System Optimization Remeasurement					$ 8,628		$ 20,506

[1] Includes remeasurement of land, buildings, leasehold improvements and favorable lease assets at all company-owned restaurants included in our system optimization initiative. See Note 11 for more information on non-recurring fair value measurements.