XML 29 R62.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Discontinued Operations and Divestitures (Details Textual) (USD $) In Millions, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 Segment | Mar. 31, 2012 Segment
Discontinued Operations and Divestitures (Textual) [Abstract] |  |
Discontinued Operations, Number of Operations Sold | 0 | 0
Gain from the sale of its individual wealth management business |  | $ 2.5
Cash received from sale of business and client list |  | 0.1
Cash proceed from sale of business and client list |  | $ 1.0

X
- Definition Cash proceed from sale of business and client list. + References No definition available. + Details
Name: | cbz_CashProceedFromSaleOfBusinessAndClientList
Namespace Prefix: | cbz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Cash received from sale of business and client list. + References No definition available. + Details
Name: | cbz_CashReceivedFromSaleOfBusinessAndClientList
Namespace Prefix: | cbz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | cbz_DiscontinuedOperationsAndDivestituresTextualAbstract
Namespace Prefix: | cbz_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Discontinued operations number of operations sold. + References No definition available. + Details
Name: | cbz_DiscontinuedOperationsNumberOfOperationsSold
Namespace Prefix: | cbz_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment. + References No definition available. + Details
Name: | us-gaap_GainLossOnSaleOfBusiness
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration