CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data	Sep. 30, 2011	Dec. 31, 2010
CURRENT ASSETS:
Accounts receivable, allowance for discounts and doubtful accounts	$ 7,036	$ 6,779
Stockholders' equity:
Common stock - par value (in dollars per share)	$ 2.00	$ 2.00
Common Stock, Authorized (in shares)	30,000,000	30,000,000
Common Stock, issued (in shares)	23,936,036	23,936,036
Treasury stock - at cost (in shares)	1,239,204	1,276,044