Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Mar. 31, 2015	Dec. 31, 2014
Interim Period, Costs Not Allocable [Line Items]
Income tax (expense) benefit	$ (17.6)		$ 1.6	$ (42.0)	$ 3.6
Effective income tax rate	(16.89%)		(12.94%)	(36.53%)	(59.88%)
(Loss) income before income taxes and non-controlling interests	$ (104.2)		$ 12.3	$ (115.1)	$ 5.9
U.S. tax on foreign operations	27.6			(28.0)
Foreign tax rate differential and losses	6.4			11.0
Non-deductible transactional costs	16.1			17.1
Tax charge due to change in valuation allowance	(2.3)	$ 4.8
Unrecognized tax benefit	68.6			68.6			$ 27.7
Reduction in effective tax rate	38.1			38.1
Accrued interest and penalties related to unrecognized tax benefits	9.6			9.6			$ 4.7
Interest and penalties recognized				0.4	0.6
Possible reduction in tax benefits from lapse of applicable statute of limitations	$ 3.7			$ 3.7
State and Local Jurisdiction [Member]
Interim Period, Costs Not Allocable [Line Items]
Valuation allowance						$ 19.0
Arysta [Member]
Interim Period, Costs Not Allocable [Line Items]
Valuation allowance on foreign tax credit carryovers			$ 21.5		$ 21.5