Segment Information - Reconciliation of Adjusted EBITDA to Net Loss (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting [Abstract]
Net income (loss) attributable to common stockholders	$ 12.0	$ (61.1)	$ 49.3	$ (85.5)
Net (loss) income attributable to the non-controlling interests	(0.2)	1.1	0.5	1.9
Income tax (benefit) expense	(14.6)	11.1	50.4	29.8
Interest expense, net	79.5	85.0	157.7	174.4
Depreciation expense	18.7	19.7	38.5	37.1
Amortization expense	73.1	67.3	145.0	135.8
EBITDA	168.5	123.1	441.4	293.5
Adjustments to reconcile to Adjusted EBITDA:
Restructuring expense	5.2	9.3	8.2	11.6
Acquisition and integration costs	3.5	0.4	4.5	4.0
Legal settlements	0.0	(10.6)	0.0	(10.6)
Foreign exchange loss (gain) on foreign denominated external and internal long-term debt	35.8	57.2	(20.0)	69.0
Nonrecourse factoring costs	3.3	8.1	4.4	8.8
Debt refinancing costs	0.0	12.8	0.0	13.9
Costs related to the Announced Arysta Sale	6.7	3.5	9.8	3.7
Gain on sale of equity investment	0.0	0.0	(11.3)	0.0
Other, net	3.0	1.4	(3.8)	4.4
Adjusted EBITDA	$ 226.0	$ 205.2	$ 433.2	$ 398.3