Financial Instruments and Risk Management (Narrative) (Details) $ in Millions, SEK in Billions		3 Months Ended		6 Months Ended
		Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 SEK	Jun. 30, 2016 USD ($)		Jun. 09, 2016 USD ($)	Dec. 31, 2015 USD ($)		Sep. 17, 2015 USD ($)
Derivative [Line Items]
Notional amount of derivative | SEK						SEK 43.9
Amount of loss recognized unrealized mark-to-market losses included in other expense		$ (46.5)	$ 7.5	$ (61.5)	$ 7.6
Long-term debt							$ 13,274.1			$ 7,294.3
Pre-tax net losses on cash flow hedges to be reclassified from AOCE into earnings in next twelve months				42.5
Accretion expense		10.3	$ 9.6	$ 20.3	$ 18.8
Contingent consideration | Minimum
Derivative [Line Items]
Rate used to discount net cash inflows to present value				1.50%
Contingent consideration | Maximum
Derivative [Line Items]
Rate used to discount net cash inflows to present value				9.80%
Swedish krona denominated contracts | Other expense
Derivative [Line Items]
Amount of loss recognized unrealized mark-to-market losses included in other expense				$ 84.2
September 2015 Swaps Effective Date June 2016
Derivative [Line Items]
Notional amount of derivative												$ 500.0
Maturity of derivative swaps, years				10 years
Loss on cash flow hedge ineffectiveness		$ 2.1
September 2015 Swaps Effective Date June 2016 | Other comprehensive loss
Derivative [Line Items]
Loss on derivative				$ 64.9
September 2015 Swaps Effective Date November 2016
Derivative [Line Items]
Notional amount of derivative												$ 500.0
Senior Notes | 2026 Senior Notes (3.950% coupon)
Derivative [Line Items]
Long-term debt							$ 2,232.8	[1]	$ 2,250.0	$ 0.0	[1]
Stated percentage rate	[1]								3.95%

[1] Instrument is callable by the Company at any time prior to the date that is three months prior to the instrument’s maturity date at the greater of 100% of the principal amount and the sum of the present values of the remaining scheduled payments of principal and interest discounted at the U.S. Treasury rate plus 0.35% plus, in each case, accrued and unpaid interest. On or after such date, the instrument is callable by the Company at 100% of the principal amount plus accrued and unpaid interest.