Income Taxes (Deferred Tax Valuation Allowance) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
Valuation Allowance [Line Items] | |||
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ 10.5 | $ 3.2 | $ 42.3 |
Valuation Allowance of Deferred Tax Assets [Member] | |||
Movement in Deferred Tax Valuation Allowances [Roll Forward] | |||
Balance at beginning of year | 73.9 | 76.9 | 124.8 |
Additions charged to income | 0.3 | 0.2 | 0.1 |
Accounts written-off | (10.5) | (3.2) | (42.3) |
Other, net | 0.0 | 0.0 | (5.7) |
Balance at end of year | 63.7 | $ 73.9 | 76.9 |
Valuation Allowance, Operating Loss Carryforwards [Member] | |||
Valuation Allowance [Line Items] | |||
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ 10.2 | $ 44.0 |