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Pension Plan | 9 Months Ended
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Sep. 30, 2011
Pension Plan [Abstract] |
Pension Plan | (11) Pension Plan The following table shows the components of net periodic pension cost for our defined benefit pension plan as of September 30, 2011 and 2010 (amounts in thousands):
|  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
Service cost |  | $ | 290 |  |  | $ | 285 |  |  | $ | 871 |  |  | $ | 855 |
Interest cost |  |  | 1,262 |  |  |  | 1,239 |  |  |  | 3,785 |  |  |  | 3,718 |
Expected return on assets |  |  | (1,642 | ) |  |  | (1,288 | ) |  |  | (4,925 | ) |  |  | (3,864 | )
Recognized actuarial loss |  |  | 607 |  |  |  | 635 |  |  |  | 1,821 |  |  |  | 1,904 |
Net periodic pension cost |  | $ | 517 |  |  | $ | 871 |  |  | $ | 1,552 |  |  | $ | 2,613 |
During the nine months ended September 30, 2011, we made contributions totaling $13.7 million to our pension plan.

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