XML 113 R99.htm IDEA: XBRL DOCUMENT v3.3.1.900

Supplemental Cash Flow Disclosures - Cash Paid for Interest and Income Taxes (Parenthetical) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Supplemental Disclosure Of Non Cash Investing And Financing Information [Line Items]
Income taxes	$ 23,558	$ 18,277	$ 67,941
MMP [Member]
Supplemental Disclosure Of Non Cash Investing And Financing Information [Line Items]
Income taxes			$ 47,500

X

- Definition

Supplemental Disclosure Of Non Cash Investing And Financing Information [Line Items]

+ References

No definition available.

+ Details

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

X

- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586

+ Details

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

X

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=cbz_MedicalManagementProfessionalsBusinessMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: