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Variable Interest Entities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2014
Variable Interest Entity [Line Items]
Short-term borrowings	$ 16.7		$ 0.0
Total assets	$ 10,190.2	$ 8,059.0	$ 4,547.3
Variable Interest Entity, Primary Beneficiary [Member] | Subsidiaries [Member]
Variable Interest Entity [Line Items]
Interest in entity	45.00%
Variable Interest Entity, Primary Beneficiary [Member] | Saphyto S.A. [Member]
Variable Interest Entity [Line Items]
Equity of equity method investee	$ 4.0
Short-term borrowings	0.3
Total assets	$ 12.8
Variable Interest Entity, Primary Beneficiary [Member] | Saphyto S.A. [Member] | Sale Of Platform Products [Member] | Product Concentration Risk [Member]
Variable Interest Entity [Line Items]
Percentage of sales that are Platform products	81.00%
Variable Interest Entity, Not Primary Beneficiary [Member] | Minority Shareholder Of SPIA [Member]
Variable Interest Entity [Line Items]
Interest in entity	50.90%
Variable Interest Entity, Not Primary Beneficiary [Member] | SPIA [Member]
Variable Interest Entity [Line Items]
Equity of equity method investee	$ 4.4
Ownership percentage of equity investment	31.95%
Equity method investment on balance sheet	$ 1.4
Total assets	$ 6.4
Variable Interest Entity, Not Primary Beneficiary [Member] | SPIA [Member] | Sale Of Platform Products [Member] | Product Concentration Risk [Member]
Variable Interest Entity [Line Items]
Percentage of sales that are Platform products	90.00%

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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