Commitments and Contingencies - Schedule of Product Warranty (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Changes in accrued product warranty cost
Balance at the beginning of the period	$ 11.3	$ 4.5	$ 5.1
Warranty expense	3.5	10.3	1.2
Deductions and other	(8.7)	(3.5)	(1.8)
Balance at the end of the period	$ 6.1	$ 11.3	$ 4.5