XML 63 R51.htm IDEA: XBRL DOCUMENT
v3.21.1

Long-Term Debt - Schedule of Long-Term Debt (Parenthetical) (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
Maximum |  |
Debt Instrument [Line Items] |  |
Debt instrument, variable interest rate | 1.75% |
Minimum |  |
Debt Instrument [Line Items] |  |
Debt instrument, variable interest rate | 1.00% |
4.200% Senior Notes, Semi-Annual Interest Payments, Net of the Unamortized Discount, Balloon Due 2024 |  |
Debt Instrument [Line Items] |  |
Debt instrument interest rate stated percentage | 4.20% | 4.20%
Debt instrument maturity year | 2024 | 2024
4.500% Senior Notes, Semi-Annual Interest Payments, Net of the Unamortized Discount, Balloon Due 2029 |  |
Debt Instrument [Line Items] |  |
Debt instrument interest rate stated percentage | 4.50% | 4.50%
Debt instrument maturity year | 2029 | 2029
2.375% Senior Notes, Semi-Annual Interest Payments, Net of the Unamortized Discount, Balloon Due 2031 |  |
Debt Instrument [Line Items] |  |
Debt instrument interest rate stated percentage | 2.375% | 2.375%
Debt instrument maturity year | 2031 | 2031
5-year Term-Loan Facility Expires in 2022 |  |
Debt Instrument [Line Items] |  |
Debt instrument maturity year | 2022 | 2022
Line of credit facility, expiration period | 5 years | 5 years
Line of credit facility, expiration date | Jun. 28, 2022 | Jun. 28, 2022
5-year Term-Loan Facility Expires in 2022 | Maximum | LIBOR |  |
Debt Instrument [Line Items] |  |
Debt instrument, variable interest rate | 1.75% | 1.75%
5-year Revolving-Loan Facility, Periodic Interest Payments, LIBOR Plus up to 1.500%, Plus Commitment Fees up to 0.250%, Expires June 28, 2022 |  |
Debt Instrument [Line Items] |  |
Line of credit facility, expiration period | 5 years | 5 years
Line of credit facility, expiration date | Jun. 28, 2022 | Jun. 28, 2022
5-year Revolving-Loan Facility, Periodic Interest Payments, LIBOR Plus up to 1.500%, Plus Commitment Fees up to 0.250%, Expires June 28, 2022 | Maximum |  |
Debt Instrument [Line Items] |  |
Commitment fee, percentage | 0.25% | 0.25%
5-year Revolving-Loan Facility, Periodic Interest Payments, LIBOR Plus up to 1.500%, Plus Commitment Fees up to 0.250%, Expires June 28, 2022 | Maximum | LIBOR |  |
Debt Instrument [Line Items] |  |
Debt instrument, variable interest rate | 1.50% | 1.50%
5-year Term-Loan Facility Expires in 2023 |  |
Debt Instrument [Line Items] |  |
Debt instrument maturity year | 2023 | 2023
Line of credit facility, expiration period | 5 years | 5 years
Line of credit facility, expiration date | Dec. 21, 2023 | Dec. 21, 2023
5-year Term-Loan Facility Expires in 2023 | Maximum | LIBOR |  |
Debt Instrument [Line Items] |  |
Debt instrument, variable interest rate | 1.75% | 1.75%

X
- Definition Debt Instruments Maturity Year + References No definition available. + Details
Name: | bro_DebtInstrumentsMaturityYear
Namespace Prefix: | bro_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

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 Contractual interest rate for funds borrowed, under the debt 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- 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

X
- Definition Date the credit facility terminates, in CCYY-MM-DD format. + 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=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityExpirationPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

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

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

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

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