Guarantees and Other Commitments and Contingencies Japan JV Guarantee (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2013	Mar. 31, 2013
Total Guarantee Obligations, Including Anticipated Future Cash Requirements [Member]
Guarantor Obligations [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 6,600
Additional Guarantees Expected Subsequent to Additional Investment [Member] | Japan JV [Member]
Guarantor Obligations [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	2,000
Japan JV [Member] | Guarantee of Indebtedness of Others [Member]
Guarantor Obligations [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	2,800
Wendy's [Member] | Japan JV [Member]
Guarantor Obligations [Line Items]
Total Amount To Be Funded Under Plan To Finance Future Cash Requirements		3,000
Amount Funded During The Period Under Plan To Finance Future Cash Requirements	1,000
Higa Partners [Member] | Japan JV [Member]
Guarantor Obligations [Line Items]
Total Amount To Be Funded Under Plan To Finance Future Cash Requirements		657
Amount Funded During The Period Under Plan To Finance Future Cash Requirements	$ 219