Goodwill and Intangible Assets - Intangible Assets Subject to Amortization (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Weighted average useful life (years)	14 years
Gross Carrying Amount	$ 3,295.0	$ 3,584.2
Accumulated Amortization and Foreign Exchange	(438.7)	(630.3)
Net Book Value	$ 2,856.3	2,953.9
Customer Lists
Finite-Lived Intangible Assets [Line Items]
Weighted average useful life (years)	18 years
Gross Carrying Amount	$ 1,245.9	1,297.2
Accumulated Amortization and Foreign Exchange	(174.5)	(184.0)
Net Book Value	$ 1,071.4	1,113.2
Developed technology
Finite-Lived Intangible Assets [Line Items]
Weighted average useful life (years)	11 years 7 months 6 days
Gross Carrying Amount	$ 2,022.1	2,260.9
Accumulated Amortization and Foreign Exchange	(254.9)	(440.4)
Net Book Value	$ 1,767.2	1,820.5
Tradenames
Finite-Lived Intangible Assets [Line Items]
Weighted average useful life (years)	7 years 8 months 12 days
Gross Carrying Amount	$ 25.1	24.2
Accumulated Amortization and Foreign Exchange	(8.2)	(5.4)
Net Book Value	$ 16.9	18.8
Non-compete agreement
Finite-Lived Intangible Assets [Line Items]
Weighted average useful life (years)	5 years
Gross Carrying Amount	$ 1.9	1.9
Accumulated Amortization and Foreign Exchange	(1.1)	(0.5)
Net Book Value	$ 0.8	$ 1.4