Debt And Other Financing Arrangements (Tables)

12 Months Ended

Dec. 31, 2011

Debt And Other Financing Arrangements [Abstract]

Schedule Of Debt And Other Financing Arrangements

	(In thousands)
	December 31,
	2011			2010
Industrial revenue bonds:
0.11% to 1.7%, variable, due from 2014 to 2040	$	1,030,200		$	1,030,200
Notes, 4.875%, due 2012		350,000			350,000
Notes, 5.0%, due 2012		300,000			300,000
Notes, 5.0%, due 2013		250,000			250,000
Notes, 5.75%, due 2017		600,000			600,000
Notes, 5.85%, due 2018		500,000			500,000
Notes, 4.125%, due 2022		600,000			600,000
Notes, 6.40%, due 2037		650,000			650,000
		4,280,200			4,280,200
Less current maturities		(650,000	)		—
	$	3,630,200		$	4,280,200