XML 25 R37.htm IDEA: XBRL DOCUMENT
v2.4.0.6

SUPPLEMENTAL CASH FLOW INFORMATION (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2011
SUPPLEMENTAL CASH FLOW INFORMATION [Abstract] |
Supplemental Cash Flow Information |
Cash paid during the year for:
|  | 2011 |  |  | 2010 |  |  | 2009 |
Income taxes |  | $ | 17,662 |  |  | $ | 17,348 |  |  | $ | 12,001 |
Interest |  | $ | 84 |  |  | $ | 111 |  |  | $ | 214 |
Cash paid during the year for acquisition of assets:
|  | 2011 |  |  | 2010 |  |  | 2009 |
Assets acquired |  | $ | - |  |  | $ | 7,313 |  |  | $ | - |
Less: liabilities assumed |  |  | - |  |  |  | (2,652 | ) |  |  | - |
Cash paid for acquisitions |  | $ | - |  |  | $ | 4,661 |  |  | $ | - |
Non-cash financing activities:
|  | 2011 |  |  | 2010 |  |  | 2009 |
Dividends payable |  | $ | 5,237 |  |  | $ | 4,311 |  |  | $ | 3,091 |

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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