XML 35 R7.htm IDEA: XBRL DOCUMENT v2.4.0.6
Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Allowance for doubtful accounts $ 9,302 $ 11,706
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, Shares authorized 10,000 10,000
Preferred stock, Shares issued 0 0
Preferred stock, Shares Outstanding 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, Shares authorized 100,000 100,000
Common stock, Shares issued 46,864 45,955
Common stock, Shares outstanding 44,902 44,298
Treasury stock, shares 1,962 1,657