Variable Interest Entities (Details 2) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Variable Interest Entity [Line Items]
Property, plant and equipment, net	$ 280.6	$ 175.0
Other assets	88.4	49.0
Total assets	8,546.4	4,547.3
Current liabilities	858.0	240.7
Other long-term liabilities	104.1	56.6
Total liabilities	5,152.0	$ 1,994.7
Variable Interest Entity, Primary Beneficiary [Member] | Saphyto S.A. [Member]
Variable Interest Entity [Line Items]
Cash and cash equivalents	0.0
Other current assets	13.1
Property, plant and equipment, net	1.2
Other assets	0.3
Total assets	14.6
Current liabilities	10.5
Total liabilities	$ 10.5