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Other Current Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Other Current Liabilities [Abstract]    
Non-income Taxes $ 6,364 $ 5,683
Present Value of Acquisition-related Liabilities 0 2,779
Professional Fees 2,083 2,279
Selling Expenses 2,205 1,858
Legal 1,018 1,420
Freight 1,120 1,212
Current Portion of Interest Rate Swaps 0 418
Other Accrued Liabilities, Current 3,457 2,976
Accrued Liabilities, Current, Total $ 16,247 $ 18,625