Financial Instruments and Risk Management (Narrative) (Details) - USD ($) $ in Millions					3 Months Ended			12 Months Ended
		Nov. 20, 2015	Aug. 27, 2014	Apr. 03, 2013	Dec. 31, 2015		Sep. 30, 2014	Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013	Dec. 09, 2015	Sep. 17, 2015	Dec. 24, 2013	Dec. 04, 2013	Nov. 13, 2013	Sep. 16, 2013	Jun. 25, 2013	Jun. 18, 2013	Feb. 28, 2013	Nov. 09, 2010
Derivative [Line Items]
Interest rate cash flow hedge loss reclassified to net earnings												$ 41.2
Notional amount of derivative					$ 750.0			$ 750.0										$ 930.0	$ 750.0	$ 500.0	$ 1,070.0
Maximum length of time hedged in cash flow hedge, in years								10 years
Derivative instruments, gain (loss) reclassification from AOCE to income, estimated net amount to be transferred										$ 0.4
Long-term debt					$ 7,294.3			$ 7,294.3		8,104.1
Debt instrument, interest rate, stated percentage																						6.00%
Amount of loss recognized in earnings on derivatives										14.6
Loss on cash flow hedge ineffectiveness												0.8
Amount of (Loss) or Gain Recognized in Earnings on Hedging Items										15.0
Face amount of debt															$ 750.0
Debt instrument, interest rate at period end					0.74%			0.74%
Fair value of credit risk derivatives										1,850.0
Pre-tax net losses on cash flow hedges to be reclassified from AOCE into earnings in next twelve months								$ 40.7
Payments for contingent consideration							$ 150.0	0.0		150.0		0.0
Purchase consideration, contingent consideration					$ 526.4			526.4								$ 230.0
Adjustment to contingent consideration liability										80.0
Accretion expense								$ 38.4		$ 35.3
Minimum
Derivative [Line Items]
Rate used to discount net cash inflows to present values								0.90%		0.90%
Accretion expense								$ 35.0
Maximum
Derivative [Line Items]
Rate used to discount net cash inflows to present values								9.80%		9.80%
Accretion expense								$ 40.0
Jai Pharma Limited
Derivative [Line Items]
Change in contingent consideration, increase								18.0
Jai Pharma Limited | Minimum
Derivative [Line Items]
Rate used to discount net cash inflows to present values		10.00%
Jai Pharma Limited | Maximum
Derivative [Line Items]
Rate used to discount net cash inflows to present values		11.00%
2011 term loan
Derivative [Line Items]
Interest rate cash flow hedge loss reclassified to net earnings												$ 0.8
Senior Notes | 2018 Senior Notes (3.000% coupon)
Derivative [Line Items]
Long-term debt					499.4	[1]		499.4	[1]	$ 0.0	[1]		$ 500.0
Debt instrument, interest rate, stated percentage	[1]												3.00%
Senior Notes | 2020 Senior Notes (3.750% coupon)
Derivative [Line Items]
Long-term debt					499.8	[2]		499.8	[2]	0.0	[2]		$ 500.0
Debt instrument, interest rate, stated percentage	[2]												3.75%
Senior Notes | 2016 Senior Notes (1.800% coupon)
Derivative [Line Items]
Long-term debt	[3]				500.1			500.1		500.2
Debt instrument, interest rate, stated percentage	[3]																			1.80%
Senior Notes | 2016 Senior Notes (1.350% coupon)
Derivative [Line Items]
Long-term debt	[4]				499.9			499.9		499.8
Debt instrument, interest rate, stated percentage	[4]																1.35%
Senior Notes | 2023 Senior Notes (3.125% coupon)
Derivative [Line Items]
Long-term debt	[5]				785.2			785.2		779.1
Debt instrument, interest rate, stated percentage	[5]														3.125%
Interest rate swaps
Derivative [Line Items]
Notional amount of derivative										750.0
April 2013 Swaps
Derivative [Line Items]
Notional amount of derivative				$ 1,000.0
Maximum length of time hedged in cash flow hedge, in years				10 years
Derivative instruments, gain (loss) reclassification from AOCE to income, estimated net amount to be transferred								32.9
August 2014 Swaps
Derivative [Line Items]
Notional amount of derivative			$ 575.0
Maximum length of time hedged in cash flow hedge, in years			10 years
Derivative instruments, gain (loss) reclassification from AOCE to income, estimated net amount to be transferred								22.4
Senior Notes Two Thousand Twenty | Terminated | Designated as hedging instrument
Derivative [Line Items]
Derivative instruments, gain (loss) reclassification from AOCE to income, estimated net amount to be transferred					11.8			10.6
September 2015 Swaps Effective Date June 2016
Derivative [Line Items]
Notional amount of derivative														$ 500.0
September 2015 Swaps Effective Date November 2016
Derivative [Line Items]
Notional amount of derivative														$ 500.0
Floating Rate | Interest rate swaps
Derivative [Line Items]
Notional amount of derivative					$ 0.0			$ 0.0		$ 0.0

[1] Instrument is callable by the Company at any time at the greater of 100% of the principal amount or the sum of the present values of the remaining scheduled payments of principal and interest discounted at the U.S. Treasury rate plus 0.30% plus, in each case, accrued and unpaid interest.

[2] Instrument is callable by the Company at any time that is one month prior to the maturity date at the greater of 100% of the principal amount or 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.

[3] Instrument is callable by the Company at any time at the greater of 100% of the principal amount or the sum of the present values of the remaining scheduled payments of principal and interest discounted at the U.S. Treasury rate plus 0.20% plus, in each case, accrued and unpaid interest. Instrument is due on June 24, 2016 and is included in current portion of long-term debt and other long-term obligations in the Consolidated Balance Sheets at December 31, 2015.

[4] Instrument is callable by the Company at any time at the greater of 100% of the principal amount or the sum of the present values of the remaining scheduled payments of principal and interest discounted at the U.S. Treasury rate plus 0.125% plus, in each case, accrued and unpaid interest. Instrument is due on November 29, 2016 and is included in current portion of long-term debt and other long-term obligations in the Consolidated Balance Sheets at December 31, 2015.

[5] Instrument is callable by the Company at any time at the greater of 100% of the principal amount or the sum of the present values of the remaining scheduled payments of principal and interest discounted at the U.S. Treasury rate plus 0.20% plus, in each case, accrued and unpaid interest.