Impact on Earnings from Interest Rate Swaps (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025
Derivative Instruments, Gain (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive loss			$ 22,895	$ (8,209)
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	$ (74)	$ (220)	1,772	(2,709)
Interest Rate Swap | Location, Statement of Income, Balance [Axis]: midd:InterestAndDebtExpenseMember
Derivative Instruments, Gain (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive loss	$ 1,892	$ 4,599	$ 4,646	$ 9,260