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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Long-Lived Assets (Details)	12 Months Ended
	Dec. 31, 2023
Technology
Finite-Lived Intangible Assets [Line Items]
Weighted-average estimated useful lives (in years)	15 years
Non-competition agreements
Finite-Lived Intangible Assets [Line Items]
Weighted-average estimated useful lives (in years)	5 years
Franchise relationships
Finite-Lived Intangible Assets [Line Items]
Weighted-average estimated useful lives (in years)	4 years
Order backlog
Finite-Lived Intangible Assets [Line Items]
Weighted-average estimated useful lives (in years)	10 months
Maximum | Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Weighted-average estimated useful lives (in years)	25 years
Maximum | Pool designs
Finite-Lived Intangible Assets [Line Items]
Weighted-average estimated useful lives (in years)	15 years
Maximum | Dealer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted-average estimated useful lives (in years)	13 years
Maximum | Patented technology
Finite-Lived Intangible Assets [Line Items]
Weighted-average estimated useful lives (in years)	10 years
Minimum | Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Weighted-average estimated useful lives (in years)	9 years
Minimum | Pool designs
Finite-Lived Intangible Assets [Line Items]
Weighted-average estimated useful lives (in years)	14 years
Minimum | Dealer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted-average estimated useful lives (in years)	5 years
Minimum | Patented technology
Finite-Lived Intangible Assets [Line Items]
Weighted-average estimated useful lives (in years)	5 years

X

- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-1

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- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 926
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483154/926-20-50-5

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