Shareholders' Deficit - Schedule of Stock Options Activity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Stock, Granted (in shares)		0.2
Stock, Exercised (in shares)		(0.2)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Weighted Average Exercise Price, Granted (in USD per share)		$ 18.01
Weighted Average Exercise Price, Exercised (in USD per share)		$ 6.45
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Stock, Outstanding, Beginning Balance (in shares)	0.6	0.6
Stock, Outstanding, Ending Balance (in shares)	0.6	0.6
Stock, Exercisable (in shares)		0.2
Stock, Expected to vest (in shares)		0.4
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Weighted Average Exercise Price, Beginning Balance (in USD per share)	$ 12.29	$ 12.29
Weighted Average Exercise Price, Ending Balance (in USD per share)	$ 12.29	15.48
Weighted Average Exercise Price, Exercisable (in USD per share)		8.38
Weighted Average Exercise Price, Expected to vest (in USD per share)		$ 20.19
Weighted Average Remaining Contractual Life, Outstanding		4 years 6 months
Weighted Average Remaining Contractual Life, Exercisable		2 years 3 months 18 days
Weighted Average Remaining Contractual Life, Expected to vest		6 years
Intrinsic Value, Outstanding		$ 2.3
Intrinsic Value, Exercisable		2.3
Intrinsic Value, Expected to vest		$ 0.0