Restructuring Activities - Summary of Restructuring Costs Recognized and Total Restructuring Cost Expected to Recognized (Details) $ in Thousands	Jun. 30, 2016 USD ($)
Restructuring Cost And Reserve [Line Items]
Total Costs Recognized To Date	$ 23,512
Total Expected Program Cost	23,512
Severance and employee-related benefits
Restructuring Cost And Reserve [Line Items]
Total Costs Recognized To Date	18,798
Total Expected Program Cost	18,798
Contract termination costs
Restructuring Cost And Reserve [Line Items]
Total Costs Recognized To Date	10
Total Expected Program Cost	10
Impairment of intangible assets
Restructuring Cost And Reserve [Line Items]
Total Costs Recognized To Date	3,904
Total Expected Program Cost	3,904
Other restructuring costs
Restructuring Cost And Reserve [Line Items]
Total Costs Recognized To Date	800
Total Expected Program Cost	$ 800