Segment Information Reconciliation of Other Significant Reconciling Items from Segments to Consolidated (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
Segment Reporting, Other Significant Reconciling Item
Total net income of equity method investments	$ 11,203	$ 6,096	$ 8,673
Wendy's International
Segment Reporting, Other Significant Reconciling Item
Total net income of equity method investments	0	(417)	(1,022)
Global Real Estate & Development
Segment Reporting, Other Significant Reconciling Item
Total net income of equity method investments	$ 11,203	$ 6,513	$ 9,695

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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