v3.26.1
Reconciliation of Wendy's International Segment Operating Profit (Loss) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 28, 2026
Jun. 29, 2025
Jun. 28, 2026
Jun. 29, 2025
Segment Reporting [Line Items]        
Revenues $ 570,571 $ 560,929 $ 1,111,208 $ 1,084,401
Cost of sales 207,275 196,521 408,324 384,690
Advertising funds expense 127,879 111,374 236,494 212,902
General and Administrative Expense 66,161 59,485 139,004 127,689
Segment profit 79,284 104,260 144,205 187,386
Advertising (deficit) surplus 295 140 24 284
Operating Segments        
Segment Reporting [Line Items]        
Segment profit 159,860 177,669 308,354 332,766
Wendy's International | Operating Segments        
Segment Reporting [Line Items]        
Revenues 39,266 38,850 76,193 73,571
Cost of sales 5,670 7,263 12,423 14,195
Advertising funds expense 10,459 10,159 19,530 20,071
General and Administrative Expense 7,392 6,700 15,617 13,137
Other segment items 3,822 1,502 6,121 3,498
Segment profit 11,923 13,226 22,502 22,670
Advertising fund expense 0 183 0 342
Advertising (deficit) surplus $ (753) $ 34 $ (756) $ (1,119)