Debt Instrument, Capped Call Transaction, Net Cost

No definition available.

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

- Definition

Debt Instrument Interest Additional Interest Above Fed Funds Rate

+ References

No definition available.

+ Details

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

- Definition

Debt Instrument Interest Additional Interest Above LIBOR Rate Alternative

+ References

No definition available.

+ Details

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Namespace Prefix:	midd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument Interest Additional Interest Above LIBOR Rate, elevated covenants

+ References

No definition available.

+ Details

Name:	midd_DebtInstrumentInterestAdditionalInterestAboveLIBORRateElevatedCovenants
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Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument Interest Additional Interest Above LIBOR Rate

+ References

No definition available.

+ Details

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

- Definition

Debt Instrument, Interest Coverage Ratio Range, High

+ References

No definition available.

+ Details

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Namespace Prefix:	midd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Interest Coverage Ratio Range, Low

+ References

No definition available.

+ Details

Name:	midd_DebtInstrumentInterestCoverageRatioRangeLow
Namespace Prefix:	midd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Leverage Ratio Range, High

+ References

No definition available.

+ Details

Name:	midd_DebtInstrumentLeverageRatioRangeHigh
Namespace Prefix:	midd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Leverage Ratio Range, Low

+ References

No definition available.

+ Details

Name:	midd_DebtInstrumentLeverageRatioRangeLow
Namespace Prefix:	midd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Qualified Leverage Ratio Range, High

+ References

No definition available.

+ Details

Name:	midd_DebtInstrumentQualifiedLeverageRatioRangeHigh
Namespace Prefix:	midd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Qualified Leverage Ratio Range, Low

+ References

No definition available.

+ Details

Name:	midd_DebtInstrumentQualifiedLeverageRatioRangeLow
Namespace Prefix:	midd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Derivative Fixed Interest Rate, Current

+ References

No definition available.

+ Details

Name:	midd_DerivativeFixedInterestRateCurrent
Namespace Prefix:	midd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Derivative Fixed Interest Rate, NonCurrent

+ References

No definition available.

+ Details

Name:	midd_DerivativeFixedInterestRateNonCurrent
Namespace Prefix:	midd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Derivative Notional Amount, Current

+ References

No definition available.

+ Details

Name:	midd_DerivativeNotionalAmountCurrent
Namespace Prefix:	midd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Derivative Notional Amount, NonCurrent

+ References

No definition available.

+ Details

Name:	midd_DerivativeNotionalAmountNonCurrent
Namespace Prefix:	midd_
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
Namespace Prefix:	midd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line Of Credit Facility Commitment Fee Percentage, elevated covenants

+ References

No definition available.

+ Details

Name:	midd_LineOfCreditFacilityCommitmentFeePercentageElevatedCovenants
Namespace Prefix:	midd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of Credit Facility, Potential Additional Borrowing Capacity

+ References

No definition available.

+ Details

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

- Definition

Line of Credit Facility, Replace Facility

+ References

No definition available.

+ Details

Name:	midd_LineofCreditFacilityReplaceFacility
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

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

- Definition

Long-term Line of Credit, Revolving Credit Facility

+ References

No definition available.

+ Details

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

- Definition

Term loan facility

+ References

No definition available.

+ Details

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

- Definition

Term loan facility amortization rate

+ References

No definition available.

+ Details

Name:	midd_Termloanfacilityamortizationrate
Namespace Prefix:	midd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Term loan facility average interest rate

+ References

No definition available.

+ Details

Name:	midd_Termloanfacilityaverageinterestrate
Namespace Prefix:	midd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-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

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
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

Name:	us-gaap_DebtInstrumentInterestRateIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

+ Details

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

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- 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

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-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

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
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

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix:	us-gaap_
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

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
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

+ Details

Name:	us-gaap_PaymentsOfDebtExtinguishmentCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleDebtMember
Namespace Prefix:
Data Type:	na
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- Details

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Financing Arrangements - Additional Information (Details) - USD ($)			12 Months Ended
	Aug. 21, 2020	Jan. 31, 2020	Jan. 02, 2021	Dec. 28, 2019
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 3,100,000,000		$ 3,500,000,000
Line of Credit Facility, Replace Facility			3,000,000,000.0
Term loan facility	350,000,000	$ 750,000,000.0	335,938,000	$ 0
Long-term Line of Credit, Revolving Credit Facility		2,750,000,000
Line of Credit Facility, Potential Additional Borrowing Capacity		$ 4,000,000,000.0
Term loan facility amortization rate		2.50%
Long-term line of credit			1,100,000,000
Letters of credit outstanding			10,900,000
Remaining borrowing capacity			2,000,000,000.0
Senior secured revolving credit line			$ 1,100,000,000
Credit facility, additional interest rate above LIBOR			2.00%
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%
Debt Instrument Interest Additional Interest Above LIBOR Rate, elevated covenants			2.00%
Line Of Credit Facility Commitment Fee Percentage, elevated covenants			0.35%
Credit facility, average interest rate			3.97%
Variable commitment fee			0.35%
Term loan facility average interest rate			3.25%
Line of credit, Current and Noncurrent, Foreign			$ 4,400,000
Interest rate at period end			5.91%
Derivative Notional Amount, Current			$ 260,000,000.0
Derivative Fixed Interest Rate, Current			2.36%
Derivative Notional Amount, NonCurrent			$ 802,000,000.0
Derivative Fixed Interest Rate, NonCurrent			1.92%
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, Low			350.00%
Debt Instrument, Qualified Leverage Ratio Range, High			400.00%
Debt Instrument, Leverage Ratio Range, High			100.00%
Convertible Debt
Debt Instrument [Line Items]
Principal	$ 747,500,000		$ 747,500,000
Debt Instrument, Interest Rate, Stated Percentage	1.00%
Proceeds from Debt, Net of Issuance Costs	$ 729,900,000
Debt Instrument, Capped Call Transaction, Net Cost	104,700,000
Term loan facility [Member]
Debt Instrument [Line Items]
Payment for Debt Extinguishment or Debt Prepayment Cost	$ 400,000,000.0