Restructuring Charges (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Restructuring Costs [Abstract]
Balance Beginning	$ 66,572
Expenses, net	18,140
Cash payments	(33,530)	(27,255)
Balance Ending	51,182
Severance and benefits costs
Restructuring Costs [Abstract]
Balance Beginning	58,558
Expenses, net	11,760
Cash payments	(26,071)
Balance Ending	44,247
Pension and Retiree Medical
Restructuring Costs [Abstract]
Balance Beginning	0
Expenses, net	3,372
Cash payments	(3,372)
Balance Ending	0
Other exit costs
Restructuring Costs [Abstract]
Balance Beginning	8,014
Expenses, net	3,008
Cash payments	(4,087)
Balance Ending	$ 6,935