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Financial Instruments (Tables) | 3 Months Ended
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Mar. 31, 2013
Financial Instruments [Abstract] |
Summary of bond activity | The following table summarizes CBIZ’s bond activity for the three months ended March 31, 2013 and the twelve months ended December 31, 2012 (in thousands):
|  | Three Months Ended March 31, 2013 |  |  | Twelve Months Ended December 31, 2012 |
Fair value at beginning of period |  | $ | 29,776 |  |  | $ | 30,923 |
Purchases |  |  | 975 |  |  |  | 5,742 |
Sales |  |  | (345 | ) |  |  | (2,000 | )
Maturities and calls |  |  | (3,000 | ) |  |  | (4,900 | )
Decrease in bond premium |  |  | (216 | ) |  |  | (290 | )
Fair market value adjustment |  |  | 65 |  |  |  | 301 |
Fair value at end of period |  | $ | 27,255 |  |  | $ | 29,776 |
Summary of outstanding interest rate swap | The following table summarizes CBIZ’s outstanding interest rate swap and its classification on the consolidated balance sheets at March 31, 2013 and December 31, 2012 (in thousands).
|  | March 31, 2013
|  | Notional |  |  | Fair |  |  | Balance Sheet
|  | Amount |  |  | Value (2) |  |  | Location
Interest rate swap (1) |  | $ | 40,000 |  |  | $ | (713 | ) |  | Other non-current liabilities
|  | December 31, 2012
|  | Notional |  |  | Fair |  |  | Balance Sheet
|  | Amount |  |  | Value (2) |  |  | Location
Interest rate swap (1) |  | $ | 40,000 |  |  | $ | (817 | ) |  | Other non-current liabilities
| (1) | Represents interest rate swap with a notional value of $40.0 million, of which $25.0 million will expire in June 2014 and the remaining $15.0 million will expire in June 2015. Under the terms of the interest rate swap, CBIZ pays interest at a fixed rate of 1.41% plus applicable margin as stated in the agreement, and receives interest that varies with the three-month LIBOR.
| (2) | See additional disclosures regarding fair value measurements in Note 8.
Summary of effects of interest rate swaps | The following table summarizes the effects of interest rate swap on CBIZ’s consolidated statements of comprehensive income for the three months ended March 31, 2013 and 2012 (in thousands).
|  | Gain (Loss) Recognized in AOCL, net of tax |  |  | Loss Reclassified from AOCL into Expense
|  | Three Months Ended |  |  | Three Months Ended |  |  |
|  | March 31, |  |  | March 31, |  |  |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |  |  | Location
Interest rate swap |  | $ | 65 |  |  | $ | (43 | ) |  | $ | 111 |  |  | $ | 90 |  |  | Interest expense

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- Definition Summary of effects of interest rate swaps. + References No definition available. + Details
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- Definition Tabular disclosure of interest rate derivatives, including, but not limited to, the fair value of the derivatives, statement of financial position location, and statement of financial performance location of these instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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