XML 78 R27.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Workers' Compensation Claims (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Text Block [Abstract] |
Summarizes Aggregate Workers' Compensation Reserve Activity | The following table summarizes the aggregate workers’ compensation reserve activity (in thousands):
|  | Year Ended December 31, |
|  | 2014 |  |  | 2013 |  |  | 2012 |
Balance at January 1, |  |  |  |  |  |  |  |  |  |  |  |
Workers’ compensation claims liabilities |  | $ | 112,444 |  |  | $ | 70,564 |  |  | $ | 51,193 |
Claims expense accrual: |  |  |  |  |  |  |  |  |  |  |  |
Current year |  |  | 97,883 |  |  |  | 63,822 |  |  |  | 38,386 |
Prior years |  |  | 67,101 |  |  |  | 23,445 |  |  |  | 12,344 |
|  |  | 164,984 |  |  |  | 87,267 |  |  |  | 50,730 |
Claims payments related to: |  |  |  |  |  |  |  |  |  |  |  |
Current year |  |  | 13,183 |  |  |  | 10,586 |  |  |  | 6,746 |
Prior years |  |  | 48,263 |  |  |  | 34,801 |  |  |  | 24,613 |
|  |  | 61,446 |  |  |  | 45,387 |  |  |  | 31,359 |
Balance at December 31, |  |  |  |  |  |  |  |  |  |  |  |
Workers’ compensation claims liabilities |  | $ | 215,982 |  |  | $ | 112,444 |  |  | $ | 70,564 |
Incurred but not reported (IBNR) |  | $ | 113,984 |  |  | $ | 69,611 |  |  | $ | 47,992 |

X
- Definition Workers compensation reserve activity. + References No definition available. + Details
Name: | bbsi_WorkersCompensationReserveActivityTableTextBlock
Namespace Prefix: | bbsi_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_TextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration