XML 38 R27.htm IDEA: XBRL DOCUMENT v3.22.2.2

Basis of Presentation - Additional Information (Detail)	Sep. 30, 2022 Entity
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of Joint Ventures	4

X

- References

No definition available.

+ Details

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

X

- Definition

Number of joint ventures. Joint ventures are entities operated by the controlling interest for the mutual benefit of the members.

+ References

No definition available.

+ Details

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