XML 47 R65.htm IDEA: XBRL DOCUMENT v2.4.0.6

Subsequent Event (Details Textual) (USD $) In Millions, unless otherwise specified	13 Months Ended
	May 01, 2013
Subsequent Event (Textual) [Abstract]
Expected annual revenue of an acquired entity	$ 3.8

X

- Details

Name:	cbz_SubsequentEventsTextualAbstract
Namespace Prefix:	cbz_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Total revenue reported by the acquired entity for its previous full fiscal year before the business acquisition.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionRevenueReportedByAcquiredEntityForLastAnnualPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration