Leases Lease Disclosure (Details)	Oct. 01, 2017 Property Restaurant
Property Subject to or Available for Operating Lease
Number of Restaurants | Restaurant	6,586
Entity Operated Units
Property Subject to or Available for Operating Lease
Number of Restaurants | Restaurant	333
Lessee Disclosure | Land and Building
Property Subject to or Available for Operating Lease
Property Subject to or Available for Operating Lease, Number of Units	146
Lessee Disclosure | Land and Building | Property Subject to Operating Lease
Property Subject to or Available for Operating Lease
Property Subject to or Available for Operating Lease, Number of Units	50
Lessee Disclosure | Land | Property Subject to Operating Lease
Property Subject to or Available for Operating Lease
Property Subject to or Available for Operating Lease, Number of Units	137
Lessor Disclosure | Property Subject to Operating Lease
Property Subject to or Available for Operating Lease
Property Subject to or Available for Operating Lease, Number of Units	1,270
Lessor Disclosure | Assets Leased to Others | Property Subject to Operating Lease
Property Subject to or Available for Operating Lease
Property Subject to or Available for Operating Lease, Number of Units	521