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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Dec. 31, 2011
Jun. 30, 2011
Condensed Consolidated Balance Sheets [Abstract]    
Preferred stock, par value $ 0.1 $ 0.1
Preferred stock, shares authorized 10,000 10,000
Preferred stock, shares issued 0 0
Common stock, par value $ 0.1 $ 0.1
Common stock, shares authorized 80,000 80,000
Common stock, shares issued 40,490 40,273
Treasury stock, shares at cost 14,023 10,077