Restructuring Charges and Asset Impairments (Details) (USD $)	3 Months Ended
	Jun. 30, 2011	Dec. 31, 2012	Dec. 31, 2010	Jul. 31, 2009
Restructuring Charges [Abstract]
Restructuring And Related Cost Expected Cost High Range		$ 350,000,000
Pre Tax Annualized Benefits Net Of System And Related Investments Range	250
Other Exit Costs [Member] | Program 2009 [Member]
Restructuring Costs [Abstract]
Restructuring Reserve, Beginning Balance			6,787,000
Restructuring And Related Cost Incurred Cost	5,329,000
Restructuring Reserve Settled With Cash	(9,324,000)
Restructuring Reserve Settled Without Cash	0
Restructuring Reserve, Ending Balance	2,792,000		6,787,000
Other Exit Costs [Member] | Program 2007 [Member]
Restructuring Costs [Abstract]
Restructuring Reserve, Beginning Balance			4,774,000
Restructuring And Related Cost Incurred Cost	(554,000)
Restructuring Reserve Settled With Cash	(538,000)
Restructuring Reserve, Ending Balance	3,682,000		4,774,000
Severance Costs [Member] | Program 2009 [Member]
Restructuring Costs [Abstract]
Restructuring Reserve, Beginning Balance			88,169,000
Restructuring And Related Cost Incurred Cost	22,327,000
Restructuring Reserve Settled With Cash	(41,664,000)
Restructuring Reserve Settled Without Cash	0
Restructuring Reserve, Ending Balance	68,832,000		88,169,000
Severance Costs [Member] | Program 2007 [Member]
Restructuring Costs [Abstract]
Restructuring Reserve, Beginning Balance			13,470,000
Restructuring And Related Cost Incurred Cost	(1,702,000)
Restructuring Reserve Settled With Cash	(442,000)
Restructuring Reserve, Ending Balance	11,326,000		13,470,000
Pension Curltailment [Member] | Program 2009 [Member]
Restructuring Costs [Abstract]
Restructuring Reserve, Beginning Balance			0
Restructuring And Related Cost Incurred Cost	4,439,000
Restructuring Reserve Settled With Cash	0
Restructuring Reserve Settled Without Cash	(4,439,000)
Restructuring Reserve, Ending Balance	0		0
Program 2009 [Member]
Restructuring Costs [Abstract]
Restructuring Reserve, Beginning Balance			94,956,000
Restructuring And Related Cost Incurred Cost	33,274,000
Restructuring Reserve Settled With Cash	(50,988,000)
Restructuring Reserve Settled Without Cash	(5,618,000)
Restructuring Reserve, Ending Balance	71,624,000		94,956,000
Restructuring Charges [Abstract]
Job Function Reduction				10.00%
Restructuring And Related Cost Expected Cost Low Range		300,000,000
Program 2007 [Member]
Restructuring Costs [Abstract]
Restructuring Reserve, Beginning Balance			18,244,000
Restructuring And Related Cost Incurred Cost	(2,256,000)
Restructuring Reserve Settled With Cash	(980,000)
Restructuring Reserve, Ending Balance	$ 15,008,000		$ 18,244,000