XML 87 R6.htm IDEA: XBRL DOCUMENT v2.4.0.8
Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Statement Of Financial Position [Abstract]    
Allowance for doubtful accounts $ 2,725 $ 2,858
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 120,000,000 120,000,000
Common stock, shares issued 54,361,980 54,361,980
Treasury stock, shares 11,234,039 11,578,028