XML 20 R62.htm IDEA: XBRL DOCUMENT
v3.20.1

Debt - Credit Facility (Details) - USD ($) | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2020 | May 31, 2018 | Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2018 | Sep. 30, 2019 | Jun. 30, 2019 | Feb. 28, 2017
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Debt issuance amortization | $ 67,900,000 |  | $ 67,900,000 | $ 83,600,000 |  |  |  | $ 33,700,000
Revolving Credit Facility |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Proceeds from borrowings on revolving loan under credit facility |  |  | 1,026,000,000.0 | 4,416,500,000 | $ 187,000,000.0 |  |  |
Term Loan Facility |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Proceeds from borrowings on revolving loan under credit facility |  |  | 0 | 3,000,000,000.0 | $ 0 |  |  |
Line of Credit |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Debt issuance amortization | 3,900,000 |  | 3,900,000 |  |  |  |  |
Line of Credit | Revolving Credit Facility |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Maximum amount to finance Convertible Notes | 1,000,000,000.0 |  | 1,000,000,000.0 |  |  |  |  |
Maximum borrowing capacity | 3,570,000,000 |  | 3,570,000,000 |  |  | $ 3,570,000,000 | $ 3,600,000,000 |
Debt issuance amortization | 14,600,000 |  | 14,600,000 | 14,700,000 |  |  |  |
Extinguishment of debt, amount |  |  |  | 244,300,000 |  |  |  |
Restrictive covenants, maximum transfer or assignment of securitization assets |  |  |  |  |  | $ 600,000,000 |  |
Line of credit facility covenant, total indebtedness, convertible debt excluded, maximum | $ 700,000,000 |  | $ 700,000,000 |  |  |  |  |
Interest coverage ratio, less than | 3.25 |  | 3.25 |  |  |  |  |
Interest rate spread on overdue principal in event of default | 2.00% |  | 2.00% |  |  |  |  |
Interest rate spread on overdue amounts in event of default | 2.00% |  | 2.00% |  |  |  |  |
Line of Credit | Revolving Credit Facility | Leverage Ratio Percent One |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Line of credit facility, covenant, total leverage ratio, maximum | 6.00 |  | 6.00 |  |  |  |  |
Total leverage ratio, temporary maximum allowed, next three quarters | 4.75 |  | 4.75 |  |  |  |  |
Line of Credit | Revolving Credit Facility | Leverage Ratio Percent Two |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Line of credit facility, covenant, total leverage ratio, maximum | 5.75 |  | 5.75 |  |  |  |  |
Total leverage ratio, temporary maximum allowed, next three quarters | 4.25 |  | 4.25 |  |  |  |  |
Line of Credit | Revolving Credit Facility | Leverage Ratio Percent Three |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Line of credit facility, covenant, total leverage ratio, maximum | 5.25 |  | 5.25 |  |  |  |  |
Total leverage ratio, temporary maximum allowed, next three quarters | 3.75 |  | 3.75 |  |  |  |  |
Line of Credit | Revolving Credit Facility | Minimum | Base Rate |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Basis spread on variable rate | 0.00% |  | 0.00% |  |  |  |  |
Line of Credit | Revolving Credit Facility | Minimum | LIBOR |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Basis spread on variable rate | 1.00% |  | 1.00% |  |  |  |  |
Line of Credit | Revolving Credit Facility | Maximum | Base Rate |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Basis spread on variable rate | 0.75% |  | 0.75% |  |  |  |  |
Line of Credit | Revolving Credit Facility | Maximum | LIBOR |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Basis spread on variable rate | 1.75% |  | 1.75% |  |  |  |  |
Line of Credit | Revolving Credit Facility | 2023 Tranche |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity | $ 3,570,000,000 |  | $ 3,570,000,000 |  |  |  |  |
Line of Credit | Foreign Line of Credit |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity | 250,000,000.0 |  | 250,000,000.0 |  |  |  |  |
Line of Credit | Standby Letters of Credit |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity | 50,000,000.0 |  | 50,000,000.0 |  |  |  |  |
Line of Credit | Line of Credit Facility Swingline Loan Sublimit |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity | 25,000,000.0 |  | 25,000,000.0 |  |  |  |  |
Line of Credit | Term Loan Facility |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Debt issuance amortization | $ 14,600,000 | $ 34,700,000 | 14,600,000 | 19,400,000 |  |  |  |
Proceeds from borrowings on loan facility |  | $ 3,000,000,000.0 |  |  |  |  |  |
Quarterly amortization payments, percent |  | 0.25% |  |  |  |  |  |
Repayments of long-term debt |  |  | 188,000,000.0 | 1,090,000,000.00 |  |  |  |
Loss on settlement of debt |  |  | $ 1,900,000 | 11,500,000 |  |  |  |
Proceeds from borrowings on revolving loan under credit facility |  |  |  | $ 500,000,000.0 |  |  |  |
Line of Credit | Term Loan Facility | Leverage Ratio Percent One |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Mandatory prepayment of excess cash flow, percentage | 50.00% |  | 50.00% |  |  |  |  |
Line of Credit | Term Loan Facility | Leverage Ratio Percent Two |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Mandatory prepayment of excess cash flow, percentage | 25.00% |  | 25.00% |  |  |  |  |
Line of Credit | Term Loan Facility | Leverage Ratio Percent Three |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Mandatory prepayment of excess cash flow, percentage | 0.00% |  | 0.00% |  |  |  |  |

X
- Definition Debt Instrument Interest Rate Spread On Overdue Amounts In Event Of Default + References No definition available. + Details
Name: | mchp_DebtInstrumentInterestRateSpreadOnOverdueAmountsInEventOfDefault
Namespace Prefix: | mchp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument Interest Rate Spread On Overdue Principal In Event Of Default + References No definition available. + Details
Name: | mchp_DebtInstrumentInterestRateSpreadOnOverduePrincipalInEventOfDefault
Namespace Prefix: | mchp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Mandatory Prepayment of Excess Cash Flow, Percentage + References No definition available. + Details
Name: | mchp_DebtInstrumentMandatoryPrepaymentofExcessCashFlowPercentage
Namespace Prefix: | mchp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Quarterly Amortization Payments, Percent + References No definition available. + Details
Name: | mchp_DebtInstrumentQuarterlyAmortizationPaymentsPercent
Namespace Prefix: | mchp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Restrictive Covenants, Maximum Transfer Or Assignment of Securitization Assets + References No definition available. + Details
Name: | mchp_DebtInstrumentRestrictiveCovenantsMaximumTransferOrAssignmentofSecuritizationAssets
Namespace Prefix: | mchp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line Of Credit Facility, Maximum Repurchase Of Convertible Debt With Secured Debt + References No definition available. + Details
Name: | mchp_LineOfCreditFacilityMaximumRepurchaseOfConvertibleDebtWithSecuredDebt
Namespace Prefix: | mchp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line of Credit Facility Covenant, Minimum Interest Coverage Ratio + References No definition available. + Details
Name: | mchp_LineofCreditFacilityCovenantMinimumInterestCoverageRatio
Namespace Prefix: | mchp_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line of Credit Facility Covenant, Senior Leverage Ratio + References No definition available. + Details
Name: | mchp_LineofCreditFacilityCovenantSeniorLeverageRatio
Namespace Prefix: | mchp_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line of Credit Facility Covenant, Total Indebtedness, Convertible Debt Excluded, Maximum + References No definition available. + Details
Name: | mchp_LineofCreditFacilityCovenantTotalIndebtednessConvertibleDebtExcludedMaximum
Namespace Prefix: | mchp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line of Credit Facility, Covenant, Total Leverage Ratio, Maximum + References No definition available. + Details
Name: | mchp_LineofCreditFacilityCovenantTotalLeverageRatioMaximum
Namespace Prefix: | mchp_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + 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 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
Name: | us-gaap_DeferredFinanceCostsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Gross amount of debt extinguished. + References No definition available. + Details
Name: | us-gaap_ExtinguishmentOfDebtAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ProceedsFromLinesOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromLongTermLinesOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + 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 (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
Name: | us-gaap_WriteOffOfDeferredDebtIssuanceCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=mchp_TermLoanFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | mchp_DebtInstrumentLeverageRatioAxis=mchp_LeverageRatioPercentOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | mchp_DebtInstrumentLeverageRatioAxis=mchp_LeverageRatioPercentTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | mchp_DebtInstrumentLeverageRatioAxis=mchp_LeverageRatioPercentThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mchp_A2023TrancheMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_ForeignLineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_StandbyLettersOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=mchp_LineOfCreditFacilitySwinglineLoanSublimitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |