XML 78 R61.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Income Taxes - Additional Information (Detail) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Mar. 11, 2021 USD ($) Employee | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Income Taxes [Line Items] |  |  |  |  |
Percentage of income attributable to wholly-owned operations and investments for which income tax expense and effective tax rate calculated |  | 100.00% | 100.00% | 100.00% |
Valuation allowance |  | $ 5,107 | $ 668 |  |
Gross unrecognized tax benefits |  | 6,727 | 6,505 | $ 5,367 | $ 4,902
Unrecognized tax benefits that, if recognized, would affect the effective tax rate |  | 5,636 | 5,461 |  |
Estimated accrued interest and penalties resulting from unrecognized tax benefits |  | 1,211 | $ 982 |  |
Foreign subsidiaries earnings |  | 114,000 |  |  |
America Rescue Plan Act of 2021 |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Number Of Additional Most Highly Compensated Individuals | Employee | 5 |  |  |  |
Annual Cap On Compensation | $ 1,000 |  |  |  |
State and other |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Net operating loss carry forwards |  | $ 15,595 |  |  |
State and other | Maximum |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
State and other net operating loss carry forwards expiration date |  | 2041 |  |  |
State and other | Minimum |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
State and other net operating loss carry forwards expiration date |  | 2026 |  |  |
Foreign |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Net operating loss carry forwards |  | $ 14,977 |  |  |
Foreign | Maximum |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
State and other net operating loss carry forwards expiration date |  | 2041 |  |  |
Foreign | Minimum |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
State and other net operating loss carry forwards expiration date |  | 2036 |  |  |
Federal |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Net operating loss carry forwards |  | $ 0 |  |  |

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319 + Details
Name: | us-gaap_OperatingLossCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 740 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6487024&loc=d3e29054-158556 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 740 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6479915&loc=d3e66715-112838 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=123452999&loc=d3e28200-109314 + Details
Name: | us-gaap_UndistributedEarningsOfForeignSubsidiaries
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 10B -URI http://asc.fasb.org/extlink&oid=123427490&loc=SL37586934-109318 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Annual cap on compensation. + References No definition available. + Details
Name: | wso_AnnualCapOnCompensation
Namespace Prefix: | wso_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Deferred income tax assets valuation allowance noncurrent. + References No definition available. + Details
Name: | wso_DeferredIncomeTaxAssetsValuationAllowanceNoncurrent
Namespace Prefix: | wso_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Income Taxes [Line Items] + References No definition available. + Details
Name: | wso_IncomeTaxesLineItems
Namespace Prefix: | wso_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of additional most highly compensated individuals. + References No definition available. + Details
Name: | wso_NumberOfAdditionalMostHighlyCompensatedIndividuals
Namespace Prefix: | wso_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Operating loss carryforward, expiration year. + References No definition available. + Details
Name: | wso_OperatingLossCarryforwardExpirationYear
Namespace Prefix: | wso_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percent of operation and investment income for which income tax expense and effective tax rate calculated. + References No definition available. + Details
Name: | wso_PercentOfOperationAndInvestmentIncomeForWhichIncomeTaxExpenseAndEffectiveTaxRateCalculated
Namespace Prefix: | wso_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | wso_EventBasisAxis=wso_AmericaRescuePlanActOf2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_ForeignCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |