Employee Benefit Plans Narrative (Details) (USD $)	3 Months Ended
	Mar. 31, 2012
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]
Defined Benefit Plans, General Information	The Company has four qualified non-contributory defined benefit pension plans covering a significant majority of its employees
Defined Benefit Plan, Unfunded Plan	an unfunded plan that provides benefits in excess of amounts allowable under current tax law in the qualified plans
Defined Benefit Plan, Other Information	The Company closed enrollment in its pension plans to salaried employees hired after December 31, 2005, to Fernandina hourly employees hired after April 30, 2006, to Jesup hourly employees hired after March 4, 2009 and to Wood Products hourly employees hired after February 28, 2011.
Pension Contributions	$ 0