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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Statement of Financial Position [Abstract]    
Accounts receivable, allowances (in dollars) $ 4,533 $ 5,249
Other accounts receivable, allowances (in dollars) $ 1,422 $ 1,334
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, authorized shares 70,000,000 70,000,000
Common stock, issued shares 27,507,241 27,296,285
Treasury stock, at cost, shares 1,677,932 1,677,932