Restructuring Costs - Schedule of Restructuring and Related Costs (Details) (Facility Closing, USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Restructuring Reserve [Roll Forward]
Restructuring Costs Liability, Beginning Period	$ 21,691
Restructuring Costs Incurred	1,458
Cash Payments	22,679
Restructuring Costs Liability, Period End	470
Total Cumulative Restructuring Costs Expected to Be Incurred	23,149
Severance - management and other personnel
Restructuring Reserve [Roll Forward]
Restructuring Costs Liability, Beginning Period	21,691
Restructuring Costs Incurred	1,130
Cash Payments	22,679
Restructuring Costs Liability, Period End	142
Total Cumulative Restructuring Costs Expected to Be Incurred	22,821
Other
Restructuring Reserve [Roll Forward]
Restructuring Costs Liability, Beginning Period	0
Restructuring Costs Incurred	328
Cash Payments	0
Restructuring Costs Liability, Period End	328
Total Cumulative Restructuring Costs Expected to Be Incurred	328
General and Administrative Expense
Restructuring Reserve [Roll Forward]
Restructuring Costs Incurred	$ 1,458