Consolidated Balance Sheet Parenthetical (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Receivables, net of allowance for doubtful accounts	$ 450	$ 460
Preferred stock, authorized	4,000,000	4,000,000
Preferred stock, issued	0	0
Common stock, par value	$ 1	$ 1
Common stock, authorized	100,000,000	100,000,000
Common stock, issued	40,202,170	40,032,587
Accumulated other comprehensive loss, net of tax	$ (91,891)	$ (74,547)