Derivative, Forward-starting Effective Date

No definition available.

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Namespace Prefix:	pool_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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-Name Accounting Standards Codification
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-Section 35
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313

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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=118948506&loc=SL51823488-111719

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-Name Accounting Standards Codification
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-Paragraph 4B
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-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
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-Paragraph 4D
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+ Details

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Balance Type:	credit
Period Type:	instant

- 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

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the derivative contract matures, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
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+ Details

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Balance Type:	na
Period Type:	instant

- 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

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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Fair Value Measurements (Details) - USD ($) $ in Thousands	9 Months Ended
Fair Value Measurements (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jul. 25, 2019	May 07, 2019	Sep. 30, 2018	Jul. 06, 2016	Oct. 01, 2015
Derivatives, Fair Value [Line Items]
Unrealized gains on interest rate swaps	$ 631			$ 3,542
Unrealized losses on interest rate swaps	1,532			0
Contingent consideration liabilities	$ 745			$ 1,431
Forward-starting Interest Rate Swap 1 [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount					$ 150,000
Derivative [Line Items]
Forward-starting interest rate swap agreement, effective date	Nov. 20, 2019
Interest rate swap agreement, termination date	Nov. 20, 2020
Derivative, Notional Amount					$ 150,000
Forward-starting Interest Rate Swap 2 [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount			$ 75,000
Derivative [Line Items]
Forward-starting interest rate swap agreement, effective date	Nov. 20, 2020
Interest rate swap agreement, termination date	Sep. 29, 2022
Derivative, Notional Amount			$ 75,000
Forward-starting Interest Rate Swap 3 [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount		$ 75,000
Derivative [Line Items]
Forward-starting interest rate swap agreement, effective date	Nov. 20, 2020
Interest rate swap agreement, termination date	Sep. 29, 2022
Derivative, Notional Amount		$ 75,000
Interest Rate Swap 1 [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount						$ 75,000
Derivative [Line Items]
Derivative, Notional Amount						75,000
Interest Rate Swap 2 [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount						25,000
Derivative [Line Items]
Derivative, Notional Amount						25,000
Interest Rate Swap 3 [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount						50,000
Derivative [Line Items]
Derivative, Notional Amount						$ 50,000