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Supplemental Cash Flow Information (Tables) | 9 Months Ended
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Sep. 30, 2011
Supplemental Cash Flow Information [Abstract] |
Supplemental Cash Flow Information |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
(in thousands) |  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
Income taxes paid (refunded), net |  | $ | (47 | ) |  | $ | 1,774 |  |  | $ | 6,914 |  |  | $ | 5,345 |
Interest paid |  |  | 320 |  |  |  | 369 |  |  |  | 969 |  |  |  | 1,032 |

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