Restructuring (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 4.5	$ 0.6	$ 18.2	$ 1.0
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	2.4	0.0	3.6	0.0
Selling, Technical, General And Administrative [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	2.1	0.6	14.6	1.0
Performance Applications [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	2.9	0.6	5.8	1.0
Agricultural Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	1.6	$ 0.0	12.4	$ 0.0
Other Current Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring liabilities	$ 0.3		$ 0.3		$ 1.6