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Balance Sheet Parentheticals (Parentheticals) (USD $)
In Thousands, except Share data, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Allowance for Doubtful Accounts Receivable, Current $ 17,028 $ 14,856
Preferred Stock, Par or Stated Value Per Share $ 0.01 $ 0.01
Preferred Stock, Shares Authorized 10,000,000 10,000,000
Common Stock, Par or Stated Value Per Share $ 0.01 $ 0.01
Common Stock, Shares Authorized 125,000,000 125,000,000
Common Stock, Shares, Issued 44,786,011 44,786,011
Common Stock, Shares, Outstanding 28,547,411 29,487,075
Treasury Stock, Shares 16,238,600 15,298,936