Adoption of ASU 2014-09, "Revenue from Contracts with Customers" (Details) - ASU 2014-09 [Member] $ in Thousands	6 Months Ended
	Dec. 29, 2019 Source	Sep. 23, 2018 USD ($)	Jun. 24, 2018 USD ($)
Adoption of Cumulative Effect on Change in Accounting Principle [Abstract]
Cumulative adjustment recorded as reduction to retained earnings		$ 0	$ (1,622)
Number of largest sources of revenue | Source	2
Domestic Franchise and Renewal Fees [Member]
Adoption of Cumulative Effect on Change in Accounting Principle [Abstract]
Cumulative adjustment recorded as reduction to retained earnings			(1,300)
Domestic Area Development Fees [Member]
Adoption of Cumulative Effect on Change in Accounting Principle [Abstract]
Cumulative adjustment recorded as reduction to retained earnings			(200)
International Development and Franchise Master License Fees [Member]
Adoption of Cumulative Effect on Change in Accounting Principle [Abstract]
Cumulative adjustment recorded as reduction to retained earnings			(300)
Deferral of contract-related expenses			$ 200