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Changes in Accounting Estimates	6 Months Ended
Changes in Accounting Estimates	Jun. 30, 2011
Changes in Accounting Estimate [Abstract]
Changes in accounting estimates	Note 2: Changes in Accounting Estimates In the second quarter of 2011, the Company fully depreciated certain property, plant and equipment that was determined to no longer have a remaining useful life. Accordingly, the Company recorded additional depreciation expense of $1,017 in the three months ended June 30, 2011. The Company also revised its estimate of the unfunded projected benefit obligation it has assumed in connection to the withdrawal from the GBD Pension Plan. See Note 5 — Pension and Other Retirement Plans for the changes in this estimate.