Restructuring - Additional Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Jun. 30, 2014	Sep. 30, 2013
Restructuring Cost and Reserve [Line Items]
Total Costs Incurred			$ 10,371	$ 10,400
Restructuring Reserve [Roll Forward]
Accrued Balance at December 31, 2013			9,170
Expensed	20	4,045	706		4,045
Paid and Other			(9,146)
Accrued Balance at June 30, 2014	730		730
Social Plan [Member]
Restructuring Cost and Reserve [Line Items]
Total Costs Incurred			9,450
Restructuring Reserve [Roll Forward]
Accrued Balance at December 31, 2013			9,170
Expensed			197
Paid and Other			(8,637)
Accrued Balance at June 30, 2014	730		730
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Total Costs Incurred			921
Restructuring Reserve [Roll Forward]
Accrued Balance at December 31, 2013			0
Expensed			509
Paid and Other			(509)
Accrued Balance at June 30, 2014	$ 0		$ 0