CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Accounts Receivable, allowances	$ 3,555	$ 4,768
Common Stock, Par Value	$ 0.50	$ 0.50
Common Stock, Shares Authorized	225,000,000	225,000,000
Common Stock, Shares Issued	90,752,123	90,752,123
Treasury Shares	14,708,533	15,111,635