Long-term Employee Benefits - Schedule of Amounts Recognized in Accumulated Other Comprehensive Income (Details) - Successor [Member] - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Accumulated net actuarial losses	$ (48.3)	$ (52.6)
Accumulated prior service credit	1.5	4.3
Total	(46.8)	(48.3)
Other Postretirement Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Accumulated net actuarial losses	0.0	(0.4)
Accumulated prior service credit	0.0	4.1
Total	$ 0.0	$ 3.7