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Accrued Expenses and Other Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Accounts Payable and Accrued Liabilities, Current [Abstract]    
Accrued compensation $ 12,097 $ 9,573
Accrued severance 3,467 1,187
Accrued and withheld taxes, other than income taxes 1,499 2,226
Accrued health benefits 1,235 1,234
Employment tax matter 1,200 1,200
Reserve for unrecognized tax benefits 916 102
Financing lease obligation 806 623
Accrued profit sharing 539 2,424
Accrued stock based compensation 279 910
Cash dividends payable 0 1,027
Other 9,724 7,725
Accrued Liabilities, Current $ 31,762 $ 28,231