Goodwill and Intangible Assets - Intangible Assets Subject to Amortization (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (years)	14 years 1 month 6 days
Gross Carrying Amount and Foreign Exchange	$ 3,267.5	$ 3,584.2
Accumulated Amortization and Foreign Exchange	(204.4)	(630.3)
Net Book Value	$ 3,063.1	2,953.9
Customer lists
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (years)	18 years 3 months 18 days
Gross Carrying Amount and Foreign Exchange	$ 1,240.5	1,297.2
Accumulated Amortization and Foreign Exchange	(96.7)	(184.0)
Net Book Value	$ 1,143.8	1,113.2
Developed technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (years)	11 years 8 months 18 days
Gross Carrying Amount and Foreign Exchange	$ 2,002.9	2,260.9
Accumulated Amortization and Foreign Exchange	(101.7)	(440.4)
Net Book Value	$ 1,901.2	1,820.5
Tradenames
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (years)	8 years 1 month 2 days
Gross Carrying Amount and Foreign Exchange	$ 22.2	24.2
Accumulated Amortization and Foreign Exchange	(5.2)	(5.4)
Net Book Value	$ 17.0	18.8
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (years)	5 years
Gross Carrying Amount and Foreign Exchange	$ 1.9	1.9
Accumulated Amortization and Foreign Exchange	(0.8)	(0.5)
Net Book Value	$ 1.1	$ 1.4