Contingencies, Environmental and Legal Matters (Details 2) MXN in Millions, BRL in Millions, $ in Millions					1 Months Ended			3 Months Ended		9 Months Ended			12 Months Ended
	Apr. 03, 2015 USD ($)	Feb. 25, 2015 shares	Feb. 19, 2015 USD ($)	Feb. 13, 2015 USD ($) shares	Apr. 30, 2014 USD ($) defendant	Nov. 30, 2011 defendant	Jun. 30, 2009 defendant	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) employee defendant	Sep. 30, 2015 BRL employee defendant	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2014 MXN	Sep. 30, 2015 MXN / $	Sep. 30, 2015 BRL / $	Sep. 30, 2015 BRL	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2013 USD ($)
Loss Contingencies [Line Items]
Asset retirement obligations								$ 17.8	$ 5.5	$ 17.8		$ 5.5	$ 18.5					$ 17.7	$ 5.4	$ 4.8
Reserves for environmental matters								1.7		1.7			4.5
Estimate of possible loss in legal proceedings								6.6		6.6			4.4
Potential litigation loss exchange rate															0.0591	0.2527
Contest of tax assessment								10.6		10.6							BRL 41.8
Legal settlement								$ 0.0	$ 0.0	16.0		$ 0.0
Settled Litigation [Member]
Loss Contingencies [Line Items]
Legal settlement			$ 25.0
Amount awarded	$ 16.0
Arysta [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Number of defendants | defendant						6	26
Compensation sought										12.6	BRL 50.0
Remediation amount sought										$ 17.9	BRL 70.9
Agricola Colonet, SA de CV [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Compensation sought													$ 10.7	MXN 181.0
Arysta [Member]
Loss Contingencies [Line Items]
Series B preferred stock issued (in shares)				$ 600.0
Maximum share conversion (in shares) | shares		22,107,590		22,107,590
Volume weighted average price period				10 days
Arysta [Member] | Series B Preferred Stock [Member]
Loss Contingencies [Line Items]
Series B preferred stock issued (in shares)				$ 600.0
Health Problems From Employment Site [Member] | Arysta [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Number of defendants | defendant										80	80
Compensation sought										$ 43.8	BRL 173.3
Number of former employees | employee										13	13
Health Risk From Product Exposure [Member] | Arysta LifeScience North America, LLC [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Number of defendants | defendant					30
Compensation sought					$ 13.2