Financial Instrument, Risk Management and Fair Value Measurements, Derivatives Gain (Loss) (Details) MMBTU in Millions, $ in Millions		12 Months Ended
		Dec. 31, 2015 USD ($) MMBTU	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Accumulated Other Comprehensive Income [Roll Forward]
Derivatives qualifying as hedges, net of tax		$ 2.3	$ (2.2)	$ 4.6
Derivatives Designated as Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedges gain (loss) to be realized in earnings during the twelve months		7.4
Cash Flow Hedge Gain Loss To Be Reclassified Beyond Twelve Months		0.0
Derivatives Designated as Hedging Instruments [Member] | Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Open foreign currency forward contracts designated as cash flow hedges, U.S. dollar equivalent		$ 505.2
Derivatives Designated as Hedging Instruments [Member] | Energy Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Aggregate notional volume of outstanding natural gas commodity forward contracts designated as cash flow hedges (in mmBTUs) | MMBTU		2.2
Derivatives Designated as Hedging Instruments [Member] | Foreign Currency and Energy Contracts [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Accumulated other comprehensive income (loss), net of tax, ending		$ 7.4
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Accumulated other comprehensive income (loss), net of tax, beginning		(3.9)	(6.1)	(1.5)
Unrealized hedging gains (losses) and other, net of tax		0.7	3.1	(4.9)
Accumulated other comprehensive income (loss), net of tax, ending		(6.2)	(3.9)	(6.1)
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Interest Expense [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Reclassification of deferred hedging (gains) losses, net of tax, effective portion	[1]	(3.0)	(0.9)	0.3
Derivatives qualifying as hedges, net of tax		(2.3)	2.2	(4.6)
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Foreign Exchange Contracts [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Accumulated other comprehensive income (loss), net of tax, beginning	[2]	(0.6)	(7.5)	0.7
Unrealized hedging gains (losses) and other, net of tax	[2]	0.4	6.9	(8.0)
Accumulated other comprehensive income (loss), net of tax, ending	[2]	(6.1)	(0.6)	(7.5)
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Foreign Exchange Contracts [Member] | Cost of Sales and Services [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Reclassification of deferred hedging (gains) losses, net of tax, effective portion	[1],[2]	(5.9)	0.0	(0.2)
Derivatives qualifying as hedges, net of tax	[2]	(5.5)	6.9	(8.2)
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Energy Contracts [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Accumulated other comprehensive income (loss), net of tax, beginning	[2]	(4.6)	0.1	(1.0)
Unrealized hedging gains (losses) and other, net of tax	[2]	0.4	(3.8)	0.7
Accumulated other comprehensive income (loss), net of tax, ending	[2]	(1.3)	(4.6)	0.1
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Energy Contracts [Member] | Cost of Sales and Services [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Reclassification of deferred hedging (gains) losses, net of tax, effective portion	[1],[2]	2.9	(0.9)	0.4
Derivatives qualifying as hedges, net of tax	[2]	3.3	(4.7)	1.1
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Other Contract [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Accumulated other comprehensive income (loss), net of tax, beginning	[2]	1.3	1.3	(1.2)
Unrealized hedging gains (losses) and other, net of tax	[2]	(0.1)	0.0	2.4
Accumulated other comprehensive income (loss), net of tax, ending	[2]	1.2	1.3	1.3
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Other Contract [Member] | Interest Expense [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Reclassification of deferred hedging (gains) losses, net of tax, effective portion	[1],[2]	0.0	0.0	0.1
Derivatives qualifying as hedges, net of tax	[2]	(0.1)	0.0	2.5
Derivatives Not Designated as Hedging Instruments [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Amount of pre-tax gain or (loss) recognized in income on derivatives	[3]	(220.0)	(102.5)	11.2
Derivatives Not Designated as Hedging Instruments [Member] | Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Open foreign currency forward contracts designated as cash flow hedges, U.S. dollar equivalent		1,800.0
Derivatives Not Designated as Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Cost of Sales and Services [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Amount of pre-tax gain or (loss) recognized in income on derivatives	[3]	(47.9)	(2.9)	11.2
Derivatives Not Designated as Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Selling, General and Administrative Expenses [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Amount of pre-tax gain or (loss) recognized in income on derivatives	[3],[4]	$ (172.1)
Derivatives Not Designated as Hedging Instruments [Member] | Energy Contracts [Member] | Selling, General and Administrative Expenses [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Amount of pre-tax gain or (loss) recognized in income on derivatives	[3],[4]		$ (99.6)	$ 0.0

[1] Amounts are included in “Cost of sales and services” and "Interest expense" on the consolidated statements of income.

[2] For the years ended December 31, 2015, 2014 and 2013, there was no material ineffectiveness with regard to cash flow hedges.

[3] Amounts in the columns represent the gain or loss on the derivative instrument offset by the gain or loss on the hedged item.

[4] Charges represent loss on the Cheminova acquisition hedge. See Note 3 within these consolidated financial statements more information.