Organization - Additional Information (Detail)	Mar. 31, 2023 Country
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of countries operate globally	18

Organization consolidation and presentation of financial statements.

No definition available.

Name:	cday_OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems
Namespace Prefix:	cday_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration