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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, reserves (in dollars) $ 3,514 $ 3,394
Preferred stock, no par value $ 0 $ 0
Preferred Shares, authorized 5,000,000 5,000,000
Preferred Shares, issued 0 0
Common Stock, no par value $ 0 $ 0
Common Shares, authorized 60,000,000 60,000,000
Common Shares, issued 28,803,000 28,433,000
Common Shares, outstanding 28,483,000 27,913,000
Common Shares held in treasury, shares 320,000 520,000