Intangible Assets, net and Goodwill - Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Amortizable intangible assets:
Amortizable intangible assets, gross carrying amount	$ 2,340.5	$ 2,264.1
Amortizable intangible assets, accumulated amortization	(830.1)	(590.0)
Amortizable intangible assets, net balance	1,510.4	1,674.1
Non-amortizable intangible assets
Total intangible assets, gross carrying amount	2,436.8	2,360.4
Total intangible assets, accumulated amortization	(832.2)	(592.1)
Total intangible assets, net balance	1,604.6	1,768.3
Trade names
Non-amortizable intangible assets
Non-amortizable intangible assets, gross carrying amount	96.3	96.3
Non-amortizable intangible assets, accumulated amortization	(2.1)	(2.1)
Non-amortizable intangible assets, net balance	94.2	94.2
Customer relationships
Amortizable intangible assets:
Amortizable intangible assets, gross carrying amount	881.4	875.8
Amortizable intangible assets, accumulated amortization	(214.8)	(163.9)
Amortizable intangible assets, net balance	666.6	711.9
Intellectual property
Amortizable intangible assets:
Amortizable intangible assets, gross carrying amount	788.1	726.0
Amortizable intangible assets, accumulated amortization	(332.7)	(218.2)
Amortizable intangible assets, net balance	455.4	507.8
Licenses
Amortizable intangible assets:
Amortizable intangible assets, gross carrying amount	419.5	413.2
Amortizable intangible assets, accumulated amortization	(206.9)	(153.5)
Amortizable intangible assets, net balance	212.6	259.7
Brand names
Amortizable intangible assets:
Amortizable intangible assets, gross carrying amount	125.7	123.7
Amortizable intangible assets, accumulated amortization	(46.5)	(32.1)
Amortizable intangible assets, net balance	79.2	91.6
Trade names
Amortizable intangible assets:
Amortizable intangible assets, gross carrying amount	98.7	97.4
Amortizable intangible assets, accumulated amortization	(14.7)	(8.1)
Amortizable intangible assets, net balance	84.0	89.3
Patents and other
Amortizable intangible assets:
Amortizable intangible assets, gross carrying amount	27.1	28.0
Amortizable intangible assets, accumulated amortization	(14.5)	(14.2)
Amortizable intangible assets, net balance	$ 12.6	$ 13.8