Description Of Business And Summary Of Significant Accounting Policies (Accumulated Other Comprehensive Loss) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Cumulative Translation Adjustment, balance at beginning of period	$ (20.2)	$ (16.5)	$ (17.6)
Translation adjustments	(27.5)	(3.7)	1.1
Cumulative Translation Adjustment, balance at end of period	(47.7)	(20.2)	(16.5)
Pension and other post-retirement benefits, Balance at beginning of period	5.2	5.2	16.1
Amortization of prior service credits, net of tax of $6.5 - 2012	0	0	(10.9)
Pension and other post-retirement benefits, Balance at end of period	5.2	5.2	5.2
Unrealized gain in available-for-sale securities, Balance at beginning of period	0.2	0.2	0.2
Unrealized gain in available-for-sale securities, Balance at end of period	0.2	0.2	0.2
Total, Balance at beginning of period	(14.8)	(11.1)	(1.3)
Total, Balance at end of period	(42.3)	(14.8)	(11.1)
Amortization of prior service costs tax	$ 0	$ 0	$ 6.5