Defined Contribution Plan, Employer Matching Contribution, Minimum Number Of Hours Worked For Eligibility

No definition available.

Name:	payx_DefinedContributionPlanEmployerMatchingContributionMinimumNumberOfHoursWorkedForEligibility
Namespace Prefix:	payx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

First level of employee contributions, as a percentage of employees' gross pay, for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

Name:	payx_DefinedContributionPlanEmployerMatchingContributionPercentLevelOne
Namespace Prefix:	payx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Second level of employee contributions, as a percentage of employees' gross pay, for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

Name:	payx_DefinedContributionPlanEmployerMatchingContributionPercentLevelTwo
Namespace Prefix:	payx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Employer matching contribution as a percentage of the first level of employee contributions.

+ References

No definition available.

+ Details

Name:	payx_DefinedContributionPlanEmployerMatchingContributionPercentOfMatchLevelOne
Namespace Prefix:	payx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Employer matching contribution as a percentage of the second level of employee contributions.

+ References

No definition available.

+ Details

Name:	payx_DefinedContributionPlanEmployerMatchingContributionPercentOfMatchLevelTwo
Namespace Prefix:	payx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Defined Contribution Plan, Percentage Participant Directed

+ References

No definition available.

+ Details

Name:	payx_DefinedContributionPlanPercentageParticipantDirected
Namespace Prefix:	payx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Employees deferred compensation plans deferred percentage maximum.

+ References

No definition available.

+ Details

Name:	payx_EmployeesDeferredCompensationPlansDeferredPercentageMaximum
Namespace Prefix:	payx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Outside directors deferred compensation plans deferred percentage maximum.

+ References

No definition available.

+ Details

Name:	payx_OutsideDirectorsDeferredCompensationPlansDeferredPercentageMaximum
Namespace Prefix:	payx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Years of service to be eligible for Company match contribution

+ References

No definition available.

+ Details

Name:	payx_YearsofservicetobeeligibleforCompanymatchcontribution
Namespace Prefix:	payx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 710
-SubTopic 10
-Name Accounting Standards Codification
-Section 30
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483043/710-10-30-1

+ Details

Name:	us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 70
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480794/715-70-50-1

+ Details

Name:	us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

+ Details

Name:	us-gaap_DefinedContributionPlanDisclosureLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensationAxis=us-gaap_DeferredCompensationArrangementWithIndividualByTypeOfCompensationPensionAndOtherPostretirementBenefitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RetirementPlanNameAxis=payx_FourZeroOneKPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Employee Benefit Plans (Narrative) (Details) - USD ($) $ in Millions		12 Months Ended
	Jan. 01, 2026	May 31, 2026	Dec. 31, 2025	May 31, 2025	May 31, 2024
Defined Contribution Plan Disclosure [Line Items]
Employer's matching contribution as a percent of the first percentage of employees' salary contributed	100.00%
Percentage of employees' salary contributed matched 100% by employer	4.00%
Deferred Compensation Plans [Member]
Defined Contribution Plan Disclosure [Line Items]
Percentage of annual base salary and bonus that eligible employees may defer		50.00%
Percentage of Board cash compensation that eligible outside directors may defer		100.00%
Amounts accrued under deferred compensation plans		$ 36.3		$ 34.5
401(K) Plan [Member]
Defined Contribution Plan Disclosure [Line Items]
Maximum percentage of salary deferral		50.00%
Years of service to be eligible for matching contribution		1 year
Minimum number of hours worked for eligibility		1,000
Employer's matching contribution as a percent of the first percentage of employees' salary contributed			100.00%
Percentage of employees' salary contributed matched 100% by employer			3.00%
Employer's matching contribution as a percent of the next 2% of employees' salary contributed			50.00%
Percentage of employees' salary contributed matched 50% by employer			2.00%
Total percentage of employees' salary contributed matched by employer			4.00%
Company contributions to the plan		$ 40.8		$ 37.0	$ 37.5
Percentage participant directed		100.00%