Restructuring Charges and Asset Impairments (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Restructuring Costs [Abstract]
Restructuring Reserve, Beginning Balance	$ 119,111,000	$ 113,200,000	$ 88,626,000
Expense, net	23,365,000	135,220,000	186,455,000
Gain on sale of facility		(601,000)	(8,897,000)
Cash payments	74,718,000	107,002,000	119,565,000
Non-cash charges	0	(21,706,000)	(33,419,000)
Restructuring Reserve, Ending Balance	67,758,000	119,111,000	113,200,000
Restructuring Charges	38,000,000
Expected Benefits From Restructuring Actions Low Range	45,000,000
Expected Benefits From Restructuring Actions High Range	55,000,000
Restructuring Reserve, Accrual Adjustment	(15,101,000)
Asset Impairment Charges	5,000,000	5,000,000	5,000,000
Severance and benefits costs
Restructuring Costs [Abstract]
Restructuring Reserve, Beginning Balance	105,036,000	101,639,000	73,792,000
Expense, net	24,992,000	101,043,000	114,873,000
Gain on sale of facility		0	0
Cash payments	67,488,000	97,646,000	87,026,000
Non-cash charges	0	0	0
Restructuring Reserve, Ending Balance	62,540,000	105,036,000	101,639,000
Pension and Retiree Medical
Restructuring Costs [Abstract]
Restructuring Reserve, Beginning Balance	0	0	0
Expense, net	0	8,178,000	23,620,000
Gain on sale of facility		0	0
Cash payments	0	0	0
Non-cash charges	0	(8,178,000)	(23,620,000)
Restructuring Reserve, Ending Balance	0	0	0
Asset impairments
Restructuring Costs [Abstract]
Restructuring Reserve, Beginning Balance	0	0	0
Expense, net	0	13,528,000	9,799,000
Gain on sale of facility		(601,000)	(8,897,000)
Cash payments	0	(601,000)	(8,897,000)
Non-cash charges	0	(13,528,000)	(9,799,000)
Restructuring Reserve, Ending Balance	0	0	0
Other exit costs
Restructuring Costs [Abstract]
Restructuring Reserve, Beginning Balance	14,075,000	11,561,000	14,834,000
Expense, net	(1,627,000)	12,471,000	38,163,000
Gain on sale of facility		0	0
Cash payments	7,230,000	9,957,000	41,436,000
Non-cash charges	0	0	0
Restructuring Reserve, Ending Balance	$ 5,218,000	$ 14,075,000	$ 11,561,000