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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
CONSOLIDATED BALANCE SHEETS    
Accounts receivable, allowances (in dollars) $ 14,553 $ 15,339
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 16,090,544 15,955,886
Common stock, shares outstanding 15,576,721 15,451,238
Treasury stock, shares 513,823 504,648