Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Oct. 06, 2012	Dec. 31, 2011	Oct. 06, 2012 Series A Preferred Stock	Dec. 31, 2011 Series A Preferred Stock	Oct. 06, 2012 Additional Series Of Preferred Stock	Dec. 31, 2011 Additional Series Of Preferred Stock
Accounts and notes receivable, allowances	$ 888	$ 171
Property, Plant and Equipment, accumulated depreciation	$ 799,028	$ 735,629
Preferred stock, par value			$ 100.00	$ 100.00	$ 0.01	$ 0.01
Preferred stock, shares authorized			200,000	200,000	800,000	800,000
Preferred stock, shares issued			0	0	0	0
Common stock, par value	$ 0.001	$ 0.010
Common stock, authorized shares	500,000,000	500,000,000
Common stock, shares issued	152,488,008	152,488,008
Treasury stock, shares	14,307,001	16,506,822