UNAUDITED CONSOLIDATED STATEMENT OF STOCKHOLDERS' DEFICIENCY $ in Millions	3 Months Ended
	Mar. 31, 2017 USD ($)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ (506.8)
Stock-based compensation amortization	1.7
Net loss	(35.8)
Other comprehensive income (loss)	9.9	[1]
Ending balance	(531.0)
Preferred Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	54.6
Ending balance	54.6
Additional Paid-In-Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	964.4
Stock-based compensation amortization	1.7
Ending balance	966.1
Accumulated Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1,274.1)
Net loss	(35.8)
Ending balance	(1,309.9)
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(251.7)
Other comprehensive income (loss)	9.9	[1]
Ending balance	$ (241.8)

[1] See Note 13, “Accumulated Other Comprehensive Loss,” regarding the changes in the accumulated balances for each component of other comprehensive loss during the three months ended March 31, 2017.