XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Short-term Financing (Narrative) (Details) $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Feb. 28, 2018 USD ($) | Feb. 28, 2017 USD ($) | Feb. 28, 2018 USD ($) | Feb. 28, 2017 USD ($) | Aug. 17, 2017 USD ($) loan | May 31, 2017 USD ($)
Revolving Credit Facility [Member] | JPM $1 Billion Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Amounts outstanding | $ 0.0 |  | $ 0.0 |  |  | $ 0.0
Maximum amount borrowed | $ 200.0 | $ 250.0 | $ 700.0 | $ 350.0 |  |
Number of days borrowed | 2 days | 8 days | 21 days | 27 days |  |
Weighted-average interest rate | 4.25% | 2.24% | 4.24% | 2.68% |  |
Weighted-average amount borrowed | $ 125.0 | $ 81.3 | $ 311.9 | $ 183.3 |  |
Revolving Credit Facility [Member] | JPM $1 Billion Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Three Days [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Maximum amount borrowed |  |  | $ 100.0 |  |  |
Number of days borrowed |  |  | 3 days |  |  |
Weighted-average interest rate |  |  | 4.25% |  |  |
Revolving Credit Facility [Member] | JPM $1 Billion Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Eight Days [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Maximum amount borrowed |  | $ 50.0 |  |  |  |
Number of days borrowed |  | 8 days |  |  |  |
Revolving Credit Facility [Member] | JPM $1 Billion Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Eight Days [Member] | LIBOR [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Weighted-average interest rate |  | 1.44% |  |  |  |
Revolving Credit Facility [Member] | JPM $1 Billion Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Seven Days [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Maximum amount borrowed |  |  |  | $ 150.0 |  |
Number of days borrowed |  |  |  | 7 days |  |
Revolving Credit Facility [Member] | JPM $1 Billion Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Eighteen Days [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Maximum amount borrowed |  |  |  | $ 50.0 |  |
Number of days borrowed |  |  |  | 18 days |  |
Revolving Credit Facility [Member] | JPM $1 Billion Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Seven And Eighteen Days [Member] | LIBOR [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Weighted-average interest rate |  |  |  | 1.40% |  |
Revolving Credit Facility [Member] | JPM $500 Million Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Amounts outstanding | 0.0 |  | $ 0.0 |  |  |
Maximum amount borrowed | $ 75.0 |  | $ 400.0 |  |  |
Number of days borrowed | 19 days |  | 39 days |  |  |
Weighted-average interest rate | 2.19% |  | 2.69% |  |  |
Weighted-average amount borrowed | $ 75.0 |  | $ 147.2 |  |  |
Revolving Credit Facility [Member] | JPM $500 Million Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Seven Days [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Maximum amount borrowed |  |  | $ 300.0 |  |  |
Number of days borrowed |  |  | 7 days |  |  |
Revolving Credit Facility [Member] | JPM $500 Million Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Seven Days [Member] | LIBOR [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Weighted-average interest rate |  |  | 2.13% |  |  |
Revolving Credit Facility [Member] | JPM $500 Million Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Nineteen Days [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Maximum amount borrowed | $ 75.0 |  |  |  |  |
Number of days borrowed | 19 days |  |  |  |  |
Revolving Credit Facility [Member] | JPM $500 Million Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Nineteen Days [Member] | LIBOR [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Weighted-average interest rate | 2.19% |  |  |  |  |
Revolving Credit Facility [Member] | JPM $500 Million Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Thirty Days [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Maximum amount borrowed |  |  | $ 75.0 |  |  |
Number of days borrowed |  |  | 30 days |  |  |
Revolving Credit Facility [Member] | JPM $500 Million Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Thirty Days [Member] | LIBOR [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Weighted-average interest rate |  |  | 2.19% |  |  |
Revolving Credit Facility [Member] | PNC $150 Million Credit Facility [Member] | PNC Bank, National Association [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Amounts outstanding | $ 57.7 |  | $ 57.7 |  |  | 0.0
Maximum amount borrowed | $ 59.9 | $ 55.6 | $ 59.9 | $ 55.6 |  |
Number of days borrowed | 90 days | 90 days | 269 days | 267 days |  |
Weighted-average interest rate | 2.01% | 1.27% | 1.83% | 1.13% |  |
Weighted-average amount borrowed | $ 59.1 | $ 55.3 | $ 57.6 | $ 52.6 |  |
Standby Letters of Credit [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Maximum borrowing capacity | 56.8 |  | 56.8 |  |  | 47.3
Amounts outstanding | 0.0 | 0.0 | 0.0 | 0.0 |  | 0.0
Line of Credit [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Number of terminated lines of credit | loan |  |  |  |  | 4 |
Amounts outstanding | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0 |  | $ 0.0
Maximum borrowing capacity |  |  |  |  | $ 900.0 |
Minimum [Member] | Standby Letters of Credit [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Expiration Date |  |  | Apr. 01, 2018 |  |  |
Maximum [Member] | Standby Letters of Credit [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Expiration Date |  |  | Dec. 01, 2018 |  |  |

X
- Definition Line of Credit Facility, Number Of Days Borrowed + References No definition available. + Details
Name: | payx_LineOfCreditFacilityNumberOfDaysBorrowed
Namespace Prefix: | payx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Terminated Debt Instruments + References No definition available. + Details
Name: | payx_NumberOfTerminatedDebtInstruments
Namespace Prefix: | payx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_LineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Average amount borrowed under the credit facility during the period. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityAverageOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition The effective interest rate during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityInterestRateDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum amount borrowed under the credit facility at any time during the period. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=payx_JpmOneBillionCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=payx_JpMorganChaseBankNaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=payx_ThreeDaysMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=payx_EightDaysMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=payx_SevenDaysMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=payx_EighteenDaysMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=payx_SevenAndEighteenDaysMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=payx_JpmFiveHundredMillionCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=payx_NineteenDaysMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=payx_ThirtyDaysMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=payx_PncOneHundredFiftyMillionCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=payx_PncBankNationalAssociationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_StandbyLettersOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |