Restructuring, CEO Transition and Other Costs - Schedule of Restructuring and Related Costs (Details) - Business Restructuring Reserves $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($)
Restructuring Reserve
Balance at December 31, 2016	$ 8,592
Restructuring charges incurred	1,601	[1]
Cash payments made	(3,194)
Balance at March 31, 2017	6,999
Employee Severance Costs, Including Executive Transition Costs
Restructuring Reserve
Balance at December 31, 2016	4,695
Restructuring charges incurred	352	[1]
Cash payments made	(1,658)
Balance at March 31, 2017	3,389
Facility Closure and Lease Costs
Restructuring Reserve
Balance at December 31, 2016	3,817
Restructuring charges incurred	722	[1]
Cash payments made	(974)
Balance at March 31, 2017	3,565
Other Costs
Restructuring Reserve
Balance at December 31, 2016	80
Restructuring charges incurred	527	[1]
Cash payments made	(562)
Balance at March 31, 2017	$ 45

[1] Total restructuring, CEO transition, and other costs for the three months ended March 31, 2017 include $0.3 million of other non-cash expenses that were not recorded as a restructuring liability and are therefore excluded from the rollforward above.