Debt Disclosure [Line Items]

No definition available.

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- Definition

Debt Instrument Interest Additional Interest Above Fed Funds Rate

+ References

No definition available.

+ Details

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- Definition

Debt Instrument Interest Additional Interest Above LIBOR Rate Alternative

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No definition available.

+ Details

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- Definition

Debt Instrument Interest Additional Interest Above LIBOR Rate

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Interest Coverage Ratio Range, High

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Interest Coverage Ratio Range, Low

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Leverage Ratio Range, High

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Leverage Ratio Range, Low

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Qualified Leverage Ratio Range, High

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No definition available.

+ Details

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- Definition

Debt Instrument, Qualified Leverage Ratio Range, Low

+ References

No definition available.

+ Details

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- Definition

Derivative Fixed Interest Rate, Current

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Derivative Fixed Interest Rate, NonCurrent

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Derivative Notional Amount, Current

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Derivative Notional Amount, NonCurrent

+ References

No definition available.

+ Details

Name:	midd_DerivativeNotionalAmountNonCurrent
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line of Credit, Average Interest Rate

+ References

No definition available.

+ Details

Name:	midd_LineOfCreditAverageInterestRate
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Balance Type:	na
Period Type:	duration

- Definition

Line of Credit Facility, Outstanding Amount, USD Borrowings

+ References

No definition available.

+ Details

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Namespace Prefix:	midd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of credit, Current and Noncurrent, Foreign

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Long-term Line of Credit, Revolving Credit Facility

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Term loan facility

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Term loan facility amortization rate

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Term loan facility average interest rate

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

No definition available.

+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

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Balance Type:	credit
Period Type:	duration

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- Details

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- Details

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Financing Arrangements Additional Information (Details) - USD ($) $ in Thousands		9 Months Ended
	Aug. 21, 2020	Oct. 02, 2021	Oct. 21, 2021	Jan. 02, 2021
Debt Disclosure [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 3,100,000	$ 3,500,000
Term loan facility	350,000	321,875	$ 1,000,000	$ 335,938
Long-term Line of Credit, Revolving Credit Facility	$ 2,750,000
Term loan facility amortization rate	2.50%
Credit facility, outstanding		1,100,000
Letters of Credit Outstanding, Amount		$ 2,700
Credit facility, additional interest rate above LIBOR		1.375%
Debt Instrument Interest Additional Interest Above LIBOR Rate Alternative		1.00%
Debt Instrument Interest Additional Interest Above Fed Funds Rate		0.50%
Debt Instrument, Interest Rate, Increase (Decrease)		1.00%
Credit facility, average interest rate		2.78%
Variable commitment fee		0.20%
Term loan facility average interest rate		2.60%
Line of credit, Current and Noncurrent, Foreign		$ 2,800
Line of Credit Facility, Interest Rate at Period End		7.80%
Derivative Notional Amount, Current		$ 60,000
Derivative Notional Amount, NonCurrent		$ 802,000
Derivative Fixed Interest Rate, Current		1.31%
Derivative Fixed Interest Rate, Noncurrent		1.91%
Debt Instrument, Interest Coverage Ratio Range, Low		300.00%
Debt Instrument, Interest Coverage Ratio Range, High		100.00%
Debt Instrument, Qualified Leverage Ratio Range, Low		550.00%
Debt Instrument, Leverage Ratio Range, High		100.00%
Debt Instrument, Leverage Ratio Range, Low		350.00%
Debt Instrument, Qualified Leverage Ratio Range, High		425.00%
United States of America, Dollars
Debt Disclosure [Line Items]
Line of Credit Facility, Outstanding Amount, USD Borrowings		$ 566,500
Euro Member Countries, Euro
Debt Disclosure [Line Items]
Line of Credit Facility, Outstanding Amount, USD Borrowings		261,300
Term loan facility
Debt Disclosure [Line Items]
Payment for Debt Extinguishment or Debt Prepayment Cost	$ 400,000
Convertible Debt
Debt Disclosure [Line Items]
Debt Instrument, Face Amount	$ 747,500	$ 747,500		$ 747,500
Debt Instrument, Interest Rate, Stated Percentage	1.00%