Consolidated Statement Of Shareholders' Equity (Deficit) (USD $) In Millions, unless otherwise specified	Total	Preferred Stock [Member]	Common Stock [Member]	Paid-In Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2013	$ 711.7	$ 0	$ 1.7	$ 2,688.1	$ (1,971.8)	$ (6.3)
Preferred shares, issued, beginning balance at Dec. 31, 2013	0	0
Common shares, shares issued, beginning balance at Dec. 31, 2013	172.0		172.0
Shareholders' Equity (Deficit) [Roll Forward]
Equity-based compensation expense	11.5	0	0	11.5	0	0
Stock Option Exercises	1.1	0	0	1.1	0	0
Dividends Declared	(21.9)	0	0	0	(21.9)	0
Net income (loss)	193.1	0	0	0	193.1	0
Foreign currency translation adjustment	(5.4)	0	0	0	0	(5.4)
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation	0.2	0	0	0.2	0	0
Stock Issued During Period, Shares, Employee Stock Purchase Plans			0.1
Stock Issued During Period, Value, Employee Stock Purchase Plan	3.7	0	0	3.7	0	0
Balance at Sep. 30, 2014	$ 894.0	$ 0	$ 1.7	$ 2,704.6	$ (1,800.6)	$ (11.7)
Preferred shares, issued, ending balance at Sep. 30, 2014	0	0
Common shares, shares issued, ending balance at Sep. 30, 2014	172.1		172.1