XML 93 R76.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Employee Benefit Plans (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
May 31, 2017 | May 31, 2016 | May 31, 2015
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 | $ 16.7 | $ 14.9 |
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 | 41 days 16 hours |  |
Percentage of employer matching contributions of eligible employee pay | 50.00% |  |
Percentage of employee pay eligible for employer matching contributions | 8.00% |  |
Company contributions to the plan | $ 22.4 | $ 21.4 | $ 19.6
Percentage participant directed | 100.00% |  |

X
- Definition Defined Contribution Plan, Employer Matching Contribution, Minimum Number Of Hours Worked For Eligibility + References No definition available. + Details
Name: | payx_DefinedContributionPlanEmployerMatchingContributionMinimumNumberOfHoursWorkedForEligibility
Namespace Prefix: | payx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Defined Contribution Plan, Percentage Participant Directed + References No definition available. + Details
Name: | payx_DefinedContributionPlanPercentageParticipantDirected
Namespace Prefix: | payx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Employees deferred compensation plans deferred percentage maximum. + References No definition available. + Details
Name: | payx_EmployeesDeferredCompensationPlansDeferredPercentageMaximum
Namespace Prefix: | payx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Outside directors deferred compensation plans deferred percentage maximum. + References No definition available. + Details
Name: | payx_OutsideDirectorsDeferredCompensationPlansDeferredPercentageMaximum
Namespace Prefix: | payx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- 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

X
- 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363 + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
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 No definition available. + Details
Name: | us-gaap_DefinedContributionPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- 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: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_DefinedContributionPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |