Income Taxes - Rate Reconciliation (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Rate Reconciliation [Abstract]
U.S. federal tax rate		35.00%	35.00%	35.00%
Venezuela devaluation		0.00%	2.90%	61.30%
Tax on accelerated U.S. income(a)		(0.20%)	0.00%	57.30%
Adjustments to valuation allowances		3.40%	18.20%	18.90%
Foreign income taxes		1.80%	4.20%	(18.20%)
Tax reform		47.40%	0.00%	0.00%
French business tax		2.00%	3.00%	8.90%
Taxes on undistributed earnings of foreign affiliates		0.90%	0.70%	(1.20%)
State income taxes, net		(1.30%)	(1.00%)	(4.10%)
Share-based compensation		(3.50%)	(1.40%)	(0.00%)
Other		1.40%	1.20%	3.90%
Actual income tax rate on continuing operations		86.90%	62.80%	161.80%
Accelerated U.S. income tax expense	$ 23.5	$ 0.4