XML 65 R50.htm IDEA: XBRL DOCUMENT
v3.20.2

Service Revenue (Summary of PEO Pass-Through Costs Netted in Revenue) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
May 31, 2020 | May 31, 2019 | May 31, 2018
Service Revenue [Abstract] |  |  |
Payroll wages and payroll taxes | $ 20,500.0 | $ 14,500.0 | $ 7,700.0
State unemployment insurance (included in payroll wages and payroll taxes) | 85.7 | 82.3 | 47.5
Guaranteed cost benefit plans | $ 647.0 | $ 451.8 | $ 274.2

X
- Definition Direct Pass Through Cost Guaranteed Cost Benefit Plans + References No definition available. + Details
Name: | payx_DirectPassThroughCostGuaranteedCostBenefitPlans
Namespace Prefix: | payx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Direct Pass Through Cost Payroll Wages And Taxes Including Federal And State Unemployment Insurance + References No definition available. + Details
Name: | payx_DirectPassThroughCostPayrollWagesAndTaxesIncludingFederalAndStateUnemploymentInsurance
Namespace Prefix: | payx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Direct Pass Through Cost State Unemployment Insurance + References No definition available. + Details
Name: | payx_DirectPassThroughCostStateUnemploymentInsurance
Namespace Prefix: | payx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration