XML 50 R36.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Fair Value Measurements (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Fair Value Disclosures [Abstract] |
Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis | The following table summarizes our assets and liabilities at December 31, 2017 and 2016 that are measured at fair value on a recurring basis subsequent to initial recognition and indicates the fair value hierarchy of the valuation techniques utilized by us to determine such fair value (in thousands):
|  | Level |  |  | December 31, 2017 |  |  | December 31, 2016 |
Deferred compensation plan assets |  |  | 1 |  |  | $ | 85,589 |  |  | $ | 69,912 |
Corporate and municipal bonds |  |  | 1 |  |  | $ | 51,101 |  |  | $ | 44,573 |
Deferred compensation plan liabilities |  |  | 1 |  |  | $ | (85,589 | ) |  | $ | (69,912 | )
Interest rate swap |  |  | 2 |  |  | $ | 1,131 |  |  | $ | 529 |
Contingent purchase price liabilities |  |  | 3 |  |  | $ | (37,574 | ) |  | $ | (33,709 | )
Change in Level 3 Fair Values of Contingent Purchase Price Liabilities | The following table summarizes the change in fair value of our contingent purchase price liabilities identified as Level 3 for the years ended December 31, 2017 and 2016 (pre-tax basis, in thousands):
|  | Contingent Purchase Price Liabilities |
Beginning balance — January 1, 2016 |  | $ | (24,817 | )
Additions from business acquisitions |  |  | (21,088 | )
Settlement of contingent purchase price payable |  |  | 11,202 |
Change in fair value of contingency |  |  | 1,342 |
Change in net present value of contingency |  |  | (348 | )
Balance — December 31, 2016 |  | $ | (33,709 | )
Additions from business acquisitions |  |  | (19,291 | )
Settlement of contingent purchase price payable |  |  | 13,932 |
Change in fair value of contingency |  |  | 2,128 |
Change in net present value of contingency |  |  | (634 | )
Balance — December 31, 2017 |  | $ | (37,574 | )

X
- Definition Fair value measurement contingent purchase price liabilities identified as unobservable input. + References No definition available. + Details
Name: | cbz_FairValueMeasurementContingentPurchasePriceLiabilitiesIdentifiedAsUnobservableInputTableTextBlock
Namespace Prefix: | cbz_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 + Details
Name: | us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration