XML 34 R23.htm IDEA: XBRL DOCUMENT
v3.20.4

Description of Business, Basis of Presentation, and Significant Accounting Policies (Narrative) (Details) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 30, 2020 USD ($) | Nov. 30, 2019 USD ($) | Nov. 30, 2020 USD ($) segment | Nov. 30, 2019 USD ($) | May 31, 2021 USD ($) | May 31, 2020 USD ($)
Accounting Policies [Line Items] |  |  |  |  |  |
Number of reportable segments | segment |  |  | 1 |  |  |
Allowance for doubtful accounts | $ 13.8 |  | $ 13.8 |  |  | $ 12.5
Advance collections | 21.0 |  | 21.0 |  |  | 6.1
Maximum individual health insurance claims liability |  |  |  |  |  | 0.3
Stock-based compensation expense | 12.2 | $ 13.3 | 25.5 | $ 23.8 |  |
Forecast [Member] |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Maximum individual health insurance claims liability |  |  |  |  | $ 0.3 |
Trade Receivables [Member] |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Receivables | 100.0 |  | 100.0 |  |  | 84.7
Purchased Receivables [Member] |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Receivables | $ 432.8 |  | $ 432.8 |  |  | 311.9
PEO [Member] |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Maximum individual workers' compensation claims liability |  |  |  |  |  | $ 1.0
PEO [Member] | Forecast [Member] |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Maximum individual workers' compensation claims liability |  |  |  |  | $ 1.0 |

X
- Definition Accounting Policies [Line Items] + References No definition available. + Details
Name: | payx_AccountingPoliciesLineItems
Namespace Prefix: | payx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Accounts Notes And Loans Receivable Gross Current + References No definition available. + Details
Name: | payx_AccountsNotesAndLoansReceivableGrossCurrent
Namespace Prefix: | payx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Advance Collections Current + References No definition available. + Details
Name: | payx_AdvanceCollectionsCurrent
Namespace Prefix: | payx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Maximum Individual Claims Liability Health Insurance + References No definition available. + Details
Name: | payx_MaximumIndividualClaimsLiabilityHealthInsurance
Namespace Prefix: | payx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Maximum individual claims liability workers compensation insurance. + References No definition available. + Details
Name: | payx_MaximumIndividualClaimsLiabilityWorkersCompensationInsurance
Namespace Prefix: | payx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121599878&loc=SL82895884-210446 + Details
Name: | us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599 + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_TradeAccountsReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_FinanceReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=payx_PeoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |