Leases Lease Disclosure (Details)	Apr. 01, 2018 Property Restaurant
Property Subject to or Available for Operating Lease
Number of Restaurants | Restaurant	6,633
Entity Operated Units
Property Subject to or Available for Operating Lease
Number of Restaurants | Restaurant	337
Lessee Disclosure | Land and Building
Property Subject to or Available for Operating Lease
Property Subject to or Available for Operating Lease, Number of Units	147
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	49
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	141
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	1,294
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	519