Restructuring Charges and Asset Impairments (Details) (USD $)	3 Months Ended
	Mar. 31, 2013
Restructuring and Related Cost [Line Items]
Document Fiscal Year Focus	2013
Restructuring Costs [Abstract]
Restructuring Reserve, Beginning Balance	$ 67,758,000
Cash payments	(16,275,000)
Restructuring Reserve, Ending Balance	51,483,000
Other exit costs
Restructuring Costs [Abstract]
Restructuring Reserve, Beginning Balance	5,218,000
Cash payments	(1,253,000)
Restructuring Reserve, Ending Balance	3,965,000
Severance and benefits costs
Restructuring Costs [Abstract]
Restructuring Reserve, Beginning Balance	62,540,000
Cash payments	(15,022,000)
Restructuring Reserve, Ending Balance	47,518,000
Maximum [Member]
Restructuring and Related Cost [Line Items]
Restructuring and Related Cost, Expected Cost	125,000,000
Minimum [Member]
Restructuring and Related Cost [Line Items]
Restructuring and Related Cost, Expected Cost	$ 75,000,000