CONDENSED CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Allowance for Doubtful Accounts	$ 4,833	$ 5,178
Preferred Stock, par value per share	$ 1.00	$ 1.00
Preferred Stock, Shares Authorized	250,000	250,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Common Stock, par value per share	$ 0.10	$ 0.10
Common Stock, Shares Authorized	100,000,000	100,000,000
Common Stock, Shares, Outstanding	59,376,226	59,197,606
Treasury Stock, Shares	6,374,882	6,374,882