Income Taxes - Valuation Allowances (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
Movement in Valuation Allowances and Reserves [Roll Forward] | |||||||||||
Beginning of year | $ 40.1 | $ 32.4 | $ 40.1 | $ 32.4 | $ 47.4 | ||||||
Expiring tax credits | (0.3) | (0.5) | (1.8) | ||||||||
Acquisitions and dispositions | 0.0 | (1.0) | (32.7) | ||||||||
Changes in judgment about deferred tax assets(a) | 1.5 | 1.9 | (0.2) | ||||||||
Income from continuing operations | $ (3.2) | $ 7.7 | $ (13.0) | (0.6) | $ (25.5) | $ 28.8 | $ 0.9 | (59.0) | (9.1) | (54.8) | 66.0 |
Foreign currency exchange effects | (4.3) | (2.9) | 1.0 | ||||||||
Income from discontinued operations | (0.4) | $ (0.1) | $ 0.1 | $ (2.4) | (21.7) | $ (8.6) | $ 0.7 | $ 0.5 | (2.8) | (29.1) | (9.2) |
Other comprehensive income (loss) | (103.4) | (181.5) | 154.6 | ||||||||
End of year | $ 45.7 | $ 40.1 | 45.7 | 40.1 | 32.4 | ||||||
Valuation Allowance of Deferred Tax Assets [Member] | |||||||||||
Movement in Valuation Allowances and Reserves [Roll Forward] | |||||||||||
Income from continuing operations | 8.4 | 6.3 | 6.1 | ||||||||
Income from discontinued operations | 0.0 | 3.3 | 12.6 | ||||||||
Other comprehensive income (loss) | $ 0.3 | $ 0.6 | $ 0.0 |