XML 74 R56.htm IDEA: XBRL DOCUMENT
v3.25.2

Service Revenue (Summary of Changes in Deferred Costs to Obtain and Fulfill Contracts) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
May 31, 2025 | May 31, 2024 | May 31, 2023
Capitalized Contract Cost [Line Items] |  |  |
Amortization | $ 236.5 | $ 231.7 | $ 219.1
Costs To Fulfill Contracts [Member] |  |  |
Capitalized Contract Cost [Line Items] |  |  |
Balance, beginning of period | 76.6 | 75.3 |
Capitalization of costs | 37.8 | 27.8 |
Amortization | (27.4) | (26.5) |
Balance, end of period | 87.0 | 76.6 | 75.3
Costs To Obtain Contracts [Member] |  |  |
Capitalized Contract Cost [Line Items] |  |  |
Balance, beginning of period | 609.4 | 597.5 |
Capitalization of costs | 208.7 | 217.1 |
Amortization | (209.1) | (205.2) |
Balance, end of period | $ 609.0 | $ 609.4 | $ 597.5

X
- Definition Capitalized Contract Cost + References No definition available. + Details
Name: | payx_CapitalizedContractCost
Namespace Prefix: | payx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
Name: | us-gaap_CapitalizedContractCostAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
Name: | us-gaap_CapitalizedContractCostLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
Name: | us-gaap_CapitalizedContractCostNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_CapitalizedContractCostAxis=payx_CostsToFulfillContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CapitalizedContractCostAxis=payx_CostsToObtainContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |