XML 126 R104.htm IDEA: XBRL DOCUMENT
v3.21.2

Commitments and Contingencies - Additional Information (Detail) | 12 Months Ended
--- | ---
Apr. 30, 2021
Commitments And Contingencies Disclosure [Abstract] |
Employment agreements | The Company has a policy of entering into offer letters of employment or letters of promotion with vice presidents, which provide for an annual base salary and discretionary and incentive bonus payments. Certain key vice presidents who typically have been employed by the Company for several years may also have a standard form employment agreement. Upon termination without cause, the Company is required to pay the amount of severance due under the employment agreement, if any. The Company also requires its vice presidents to agree in their employment letters and their employment agreement, if applicable, not to compete with the Company during the term of their employment and for a certain period after their employment ends.

X
- Definition Employment Agreement Contracts Description + References No definition available. + Details
Name: | kfy_EmploymentAgreementContractsDescription
Namespace Prefix: | kfy_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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