Subsequent Event (Details) - USD ($) $ in Millions	Apr. 06, 2017	Mar. 31, 2017
Subsequent Event [Line Items]
Costs incurred to date		$ 54.7
Remaining anticipated costs		58.3
Estimated restructuring and related costs		$ 113.0
Subsequent Event
Subsequent Event [Line Items]
Estimated restructuring and related costs	$ 235.1
Subsequent Event | Phase II
Subsequent Event [Line Items]
Estimated restructuring and related costs	122.1
Subsequent Event | Phase II | Employee Related
Subsequent Event [Line Items]
Estimated restructuring and related costs	65.2
Subsequent Event | Phase II | Facility Costs
Subsequent Event [Line Items]
Estimated restructuring and related costs	36.2
Subsequent Event | Phase II | Other Restructuring
Subsequent Event [Line Items]
Estimated restructuring and related costs	$ 20.7