Restructuring Costs Schedule of Restructuring and Related Costs (Details) (Severance - management and other personnel, Facility Closing, USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Severance - management and other personnel | Facility Closing
Restructuring Reserve [Roll Forward]
Restructuring Costs Liability, Beginning Period	$ 21,691
Restructuring Costs Incurred	711
Cash Payments	5,746
Restructuring Costs Liability, Period End	16,656
Total Cumulative Restructuring Costs Expected to Be Incurred	$ 23,941