XML 24 R31.htm IDEA: XBRL DOCUMENT v2.4.0.6

Acquisitions - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified		1 Months Ended				9 Months Ended
	Sep. 30, 2012	Jul. 29, 2011 Carrier Enterprise Mexico Location	Apr. 27, 2012 Carrier Enterprise III Location	Apr. 27, 2012 UTC Canada	Apr. 29, 2011 Carrier Enterprise Northeast State Location	Sep. 30, 2012 Carrier Enterprise I	Jul. 02, 2012 Carrier Enterprise I	Jun. 30, 2012 Carrier Enterprise I	Jul. 01, 2009 Carrier Enterprise I
Business Acquisition [Line Items]
Controlling interest, ownership percentage	60.00%		60.00%		60.00%		70.00%	60.00%	60.00%
Non-controlling interest, ownership percentage	40.00%		40.00%						40.00%
Option to acquire interests, percentage						10.00%			10.00%
Percentage of additional ownership acquired							10.00%
Cash consideration			$ 82,158				$ 51,880
Option to purchase additional interest, date						2014-07-01
Number of locations contributed to joint venture by noncontrolling interest			35		28
Number of states where locations contributed to joint venture by noncontrolling interest					8
Number of locations contributed to joint venture by controlling interest					14
Number of locations		7
Shares issued to UTC Canada Corporation, an affiliate of Carrier Corporation				1,250,000
Fair value of shares issued to UTC Canada Corporation				93,250
Final purchase price working capital adjustment				1,669
Goodwill and intangibles, purchase price allocation			216,463
Percent of tax basis of acquired goodwill amortized at a rate of 7%			75.00%
Goodwill amortization rate			7.00%
Purchase price			$ 173,739

X

- Definition

Amount of cash paid to acquire the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph f(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 159

-Paragraph 18

-Subparagraph f

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 18

-Paragraph 20

-Subparagraph a (1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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

X

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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

X

- Definition

Annual Amortization Rate For Acquired Goodwill

+ References

No definition available.

+ Details

Name:	wso_AnnualAmortizationRateForAcquiredGoodwill
Namespace Prefix:	wso_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Business Acquisition, Purchase Price Allocation, Goodwill and Intangible Assets

+ References

No definition available.

+ Details

Name:	wso_BusinessAcquisitionPurchasePriceAllocationGoodwillAndIntangibleAssets
Namespace Prefix:	wso_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Business Acquisition Working Capital Adjustments

+ References

No definition available.

+ Details

Name:	wso_BusinessAcquisitionWorkingCapitalAdjustments
Namespace Prefix:	wso_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Equity Method Investment Acquisition Date

+ References

No definition available.

+ Details

Name:	wso_EquityMethodInvestmentAcquisitionDate
Namespace Prefix:	wso_
Data Type:	us-types:dateStringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value of shares issued to party of joint venture

+ References

No definition available.

+ Details

Name:	wso_FairValueOfSharesIssuedToPartyOfJointVenture
Namespace Prefix:	wso_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Number of Locations

+ References

No definition available.

+ Details

Name:	wso_NumberOfLocations
Namespace Prefix:	wso_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number Of Locations Contributed To Joint Venture By Controlling Interest

+ References

No definition available.

+ Details

Name:	wso_NumberOfLocationsContributedToJointVentureByControllingInterest
Namespace Prefix:	wso_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of Locations Contributed To Joint Venture by Noncontrolling Interest

+ References

No definition available.

+ Details

Name:	wso_NumberOfLocationsContributedToJointVentureByNoncontrollingInterest
Namespace Prefix:	wso_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number Of States

+ References

No definition available.

+ Details

Name:	wso_NumberOfStates
Namespace Prefix:	wso_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Option to Acquire Interests, Percentage

+ References

No definition available.

+ Details

Name:	wso_OptionToAcquireInterestsPercentage
Namespace Prefix:	wso_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Percentage Of Ownership Interests Acquired

+ References

No definition available.

+ Details

Name:	wso_PercentageOfOwnershipInterestsAcquired
Namespace Prefix:	wso_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Percentage Of Tax Basis Of Acquired Goodwill Amortized

+ References

No definition available.

+ Details

Name:	wso_PercentageOfTaxBasisOfAcquiredGoodwillAmortized
Namespace Prefix:	wso_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Shares Issued To Affiliate Of Party In Joint Venture

+ References

No definition available.

+ Details

Name:	wso_SharesIssuedToAffiliateOfPartyInJointVenture
Namespace Prefix:	wso_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration