XML 90 R103.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Related Parties - Additional Information (Detail) (USD $) | 12 Months Ended |  |  | 1 Months Ended |  | 12 Months Ended | 0 Months Ended | 1 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Sep. 16, 2010 | Sep. 14, 2010 | Sep. 14, 2010 Westbury Agreement [Member] | Dec. 31, 2013 Westbury Agreement [Member] | Dec. 31, 2013 Director [Member] | Dec. 31, 2012 Director [Member] | Dec. 31, 2011 Director [Member] | Aug. 30, 2013 MMP [Member] | Aug. 30, 2013 MMP [Member] Westbury Agreement [Member] | Jul. 02, 2013 MMP [Member] Westbury Agreement [Member] | Sep. 14, 2010 MMP [Member] Westbury Agreement [Member]
Notes Receivable Related Parties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock repurchased | 456,603 |  |  |  |  | 7,716,669 |  |  |  |  |  |  |  |
Common stock repurchase price | $ 0.01 | $ 0.01 |  |  |  | $ 6.25 | $ 7.25 |  |  |  |  |  |  |
Common stock repurchase value |  |  |  |  |  | $ 48,500,000 |  |  |  |  |  |  |  |
Purchase of option |  |  |  |  |  | 5,000,000 |  |  |  |  |  |  |  |
Shares authorized to be repurchased | 0.0 | 1,000,000.0 | 1,000,000.0 | 4,578,894 | 7,716,669 | 7,700,000 |  |  |  |  |  | 3,850,000 |  |
Repurchase of treasury stock, shares |  |  |  |  |  |  |  |  |  |  |  | 3,850,000 |  |
Percentage of Holding |  |  |  |  |  |  |  |  |  |  | 50.00% | 50.00% |  |
Common stock, per share amount |  |  |  |  |  |  |  |  |  |  | $ 6.65 | $ 6.65 |  |
Payment for acquisition of treasury stock | 26,468,000 | 5,716,000 | 9,513,000 |  |  |  |  |  |  |  | 25,700,000 | 25,700,000 |  |
Number of days moving average share price calculation |  |  |  |  |  |  |  |  |  |  |  | 60 days | 60 days |
Date of expiration |  |  |  |  |  |  |  |  |  |  |  |  |  | Sep. 30, 2013
Lease paid by company | 35,100,000 | 33,700,000 | 32,600,000 |  |  |  |  | 2,100,000 | 2,000,000 | 2,000,000 |  |  |  |
Legal charges paid | 400,000 | 200,000 | 500,000 |  |  |  |  |  |  |  |  |  |  |
Fees paid to subsidiary | 300,000 | 300,000 | 400,000 |  |  |  |  |  |  |  |  |  |  |
Amount of letter of credit for CPA firm | $ 1,900,000 | $ 1,900,000 |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Management Fees To Related Parties + References No definition available. + Details
Name: | cbz_ManagementFeesToRelatedParties
Namespace Prefix: | cbz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of days moving average share price calculation. + References No definition available. + Details
Name: | cbz_MovingAverageSharePriceCalculationPeriod
Namespace Prefix: | cbz_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Costs incurred as a result of related party stock purchase transactions. + References No definition available. + Details
Name: | cbz_RelatedPartyEquityTransaction
Namespace Prefix: | cbz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Treasury Stock Repurchased During Period Share + References No definition available. + Details
Name: | cbz_TreasuryStockRepurchasedDuringPeriodShare
Namespace Prefix: | cbz_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Face amount or stated value per share of common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
Name: | us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
Name: | us-gaap_LeaseAndRentalExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Expiration date of the open option contracts written on the investment, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B.Column D) -URI http://asc.fasb.org/extlink&oid=6955306&loc=d3e611197-123010 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12B -Paragraph Column D -Article 12 + Details
Name: | us-gaap_OpenOptionContractsWrittenExpirationDates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsForRepurchaseOfCommonStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of transactions with related party during the financial reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
Name: | us-gaap_RelatedPartyTransactionAmountsOfTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
Name: | us-gaap_StockRepurchasedDuringPeriodShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant