XML 80 R66.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Financial Instruments - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |  |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2011 | Dec. 31, 2013 | Dec. 31, 2013 Standby Letters of Credit | Dec. 31, 2012 Standby Letters of Credit | Dec. 31, 2013 Performance Bonds | Dec. 31, 2012 Performance Bonds | Dec. 31, 2013 Foreign Exchange Forward Not Designated as Hedging Instrument | Dec. 31, 2012 Foreign Exchange Forward Not Designated as Hedging Instrument | Dec. 31, 2011 Interest Rate Swap | Dec. 31, 2013 Interest Rate Swap | Oct. 31, 2011 Interest Rate Swap
Financial Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Changes in fair value foreign currency forward contracts |  |  |  |  |  |  | $ 315 | $ (197) |  |  |
Interest rate swap agreement with notional amount |  |  |  |  |  |  | 26,000 |  |  |  | 10,000
Contract expiring terms |  |  |  |  |  |  | 2014-03 |  |  |  |
Interest rate swap agreement maturity period |  |  |  |  |  |  |  |  | 2011-10 |  |
Fixed interest rate |  |  |  |  |  |  |  |  |  | 5.07% |
Reclassification reflected from net change in other comprehensive loss | 244 |  |  |  |  |  |  |  |  |  |
Derivative financial instruments income tax benefit | 155 |  |  |  |  |  |  |  |  |  |
Fair value of contingent liability |  |  | 2,681 | 3,098 | 800 | 300 |  |  |  |  |
Estimated fair value of contingent liability |  | $ 0 |  |  |  |  |  |  |  |  |

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
Name: | us-gaap_DerivativeGainLossOnDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The effective portion of loss reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
Name: | us-gaap_DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fixed interest rate that will be received or paid upon exercise of the interest rate swaption contract. + References No definition available. + Details
Name: | us-gaap_DerivativeSwaptionInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 + Details
Name: | us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The face amount of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References No definition available. + Details
Name: | us-gaap_FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contracts Expiration Month and Year + References No definition available. + Details
Name: | wso_ContractsExpirationMonthAndYear
Namespace Prefix: | wso_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | instant

X
- Definition Derivative financial instruments income tax benefit. + References No definition available. + Details
Name: | wso_DerivativeFinancialInstrumentsIncomeTaxBenefit
Namespace Prefix: | wso_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Derivative, Maturity Month and Year + References No definition available. + Details
Name: | wso_DerivativeMaturityMonthAndYear
Namespace Prefix: | wso_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | wso_FinancialInstrumentLineItems
Namespace Prefix: | wso_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration