CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Accounts receivable, reserves	$ 2,359	$ 2,286
Common stock, par value	$ 1.00	$ 1.00
Common stock, authorized	24,000,000	24,000,000
Common stock, issued	10,922,461	11,356,628
Common stock, outstanding	10,922,461	11,356,628