Impact on Earnings from Interest Rate Swaps (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 04, 2026	Mar. 29, 2025	Jan. 03, 2026
Derivative Instruments, Gain (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive loss	$ 24,275	$ (4,149)
Interest Rate Swap | Location, Statement of Income, Balance [Axis]: midd:ComprehensiveIncomeLossNetOfTaxAttributableToParentMember
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	1,846	(2,489)
Interest Rate Swap | Location, Statement of Income, Balance [Axis]: midd:InterestAndDebtExpenseMember
Derivative Instruments, Gain (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive loss	2,754	$ 4,661
Interest Rate Swap | Location, Statement of Financial Position, Balance [Axis]: midd:OtherAssetsNoncurrentMember
Derivatives, Fair Value [Line Items]
Interest Rate Fair Value Hedge Asset at Fair Value	7,883		$ 9,714
Interest Rate Swap | Location, Statement of Financial Position, Balance [Axis]: midd:PrepaidExpenseAndOtherAssetsCurrentMember
Derivatives, Fair Value [Line Items]
Interest Rate Fair Value Hedge Asset at Fair Value	$ 2,439		$ 1,516