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Income Taxes (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2014 | Mar. 31, 2013 | Mar. 31, 2012
Components of earnings (loss) from continuing operations before income taxes [Abstract] |  |  |  |
United States |  | $ 14.1 | $ 10.2 | $ 17.2
Foreign |  | 9.9 | (23.2) | 30.7
Earnings (loss) from continuing operations before income taxes |  | 24.0 | (13.0) | 47.9
Federal [Abstract] |  |  |  |
Current |  | (2.0) | 2.6 | 0
Deferred |  | (95.8) | (2.6) | 0.3
State [Abstract] |  |  |  |
Current |  | 0.2 | 0.2 | 0.3
Deferred |  | (21.4) | (0.2) | (0.2)
Foreign [Abstract] |  |  |  |
Current |  | 10.0 | 6.4 | 8.3
Deferred |  | 1.1 | 3.4 | 1.2
Total income tax (benefit) expense |  | (107.9) | 9.8 | 9.9
Reconciliation of federal statutory income tax rate to company's effective income tax rate [Abstract] |  |  |  |
Statutory federal tax (in hundredths) |  | 35.00% | 35.00% | 35.00%
State taxes, net of federal benefit (in hundredths) |  | 2.10% | (1.30%) | (0.10%)
Taxes on non-U.S. earnings and losses (in hundredths) |  | (3.80%) | (23.80%) | (5.70%)
Valuation allowance (in hundredths) |  | (471.70%) | (59.30%) | 2.10%
Tax credits (in hundredths) |  | (7.10%) | 37.00% | (19.20%)
Compensation (in hundredths) |  | 0.40% | (13.00%) | 3.40%
Foreign tax rate or law changes |  | (9.20%) | 0.90% | 0.60%
Uncertain tax positions net of settlements |  | 0.40% | (41.90%) | 1.90%
Brazilian interest on equity (in hundredths) |  | (1.70%) | 3.20% | (1.00%)
Dividend repatriation (in hundredths) |  | 5.80% | (11.40%) | 4.40%
Other (in hundredths) |  | 0.20% | (0.80%) | (0.70%)
Effective tax rate (in hundredths) |  | (449.60%) | (75.40%) | 20.70%
Valuation Allowance [Line Items] |  |  |  |
Reversal of deferred tax asset valuation allowances | 119.2 | 119.2 |  |
Foreign tax benefit from law change |  | 2.2 |  |
Development tax credit |  |  |  | 4.4
Deferred tax assets [Abstract] |  |  |  |
Accounts receivable | 0.2 | 0.2 | 0.4 |
Inventories | 4.1 | 4.1 | 4.1 |
Plant and equipment | 2.4 | 2.4 | 1.6 |
Pension and employee benefits | 39.1 | 39.1 | 48.5 |
Net operating loss, capital loss and credit carryforwards | 122.4 | 122.4 | 117.6 |
Other, principally accrued liabilities | 10.3 | 10.3 | 12.0 |
Total gross deferred tax assets | 178.5 | 178.5 | 184.2 |
Less: valuation allowance | (61.2) | (61.2) | (172.8) |
Net deferred tax assets | 117.3 | 117.3 | 11.4 |
Deferred tax liabilities [Abstract] |  |  |  |
Goodwill | 4.2 | 4.2 | 4.7 |
Plant and equipment | 7.6 | 7.6 | 5.6 |
Other | 1.7 | 1.7 | 2.9 |
Total gross deferred tax liabilities | 13.5 | 13.5 | 13.2 |
Net deferred tax asset (liability) | 103.8 | 103.8 | (1.8) |
Current deferred tax asset | 13.0 | 13.0 | 6.6 |
Noncurrent deferred tax asset | 98.6 | 98.6 | 0.4 |
Current deferred tax liability (other current liabilities) | (0.5) | (0.5) | (0.2) |
Noncurrent deferred tax liability | (7.3) | (7.3) | (8.6) |
Reconciliation of unrecognized tax benefits [Roll Forward] |  |  |  |
Balance, April 1 |  | 9.0 | 3.3 |
Gross increases - tax positions in prior period |  | 2.5 | 5.6 |
Gross decreases - tax positions in prior period |  | (7.0) | (0.1) |
Gross increases - tax positions in current period |  | 0.1 | 0.6 |
Gross decreases - tax positions in current period |  | 0 | (0.4) |
Settlements |  | (1.9) | 0 |
Lapse of statute of limitations |  | (0.8) | 0 |
Effect of exchange rate changes |  | 0.2 | 0 |
Balance, March 31 | 2.1 | 2.1 | 9.0 | 3.3
Unrecognized tax benefits that would impact effective tax rate | 2.1 | 2.1 |  |
Undistributed foreign earnings [Abstract] |  |  |  |
Undistributed earnings in remaining foreign operations | 497.6 | 497.6 |  |
Foreign Tax Jurisdictions [Member] |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Foreign tax credit carry forwards | 2.4 | 2.4 |  |
Foreign Tax Jurisdictions [Member] | Minimum [Member] |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Tax loss credit carryforward, expiration date |  | Mar. 31, 2015 |  |
Foreign Tax Jurisdictions [Member] | Maximum [Member] |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Tax loss credit carryforward, expiration date |  | Mar. 31, 2017 |  |
Federal and State [Member] |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Tax credit carryforwards, research and development | 18.7 | 18.7 |  |
Federal and State [Member] | Minimum [Member] |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Tax loss credit carryforward, expiration date |  | Mar. 31, 2018 |  |
Federal and State [Member] | Maximum [Member] |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Tax loss credit carryforward, expiration date |  | Mar. 31, 2034 |  |
Foreign Tax Jurisdictions [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax loss carryforwards | 188.0 | 188.0 |  |
Tax losses subject to expiration | 195.5 | 195.5 |  |
Tax losses not subject to expiration | 161.0 | 161.0 |  |
Undistributed foreign earnings [Abstract] |  |  |  |
Tax on undistributed earnings of certain joint equity investment | 1.0 | 1.0 |  |
Foreign Tax Jurisdictions [Member] | Minimum [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax loss carryforwards, expiration date |  | Mar. 31, 2015 |  |
Foreign Tax Jurisdictions [Member] | Maximum [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax loss carryforwards, expiration date |  | Mar. 31, 2034 |  |
State and Local [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax loss carryforwards | 356.5 | 356.5 |  |
State and Local [Member] | Minimum [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax loss carryforwards, expiration date |  | Mar. 31, 2015 |  |
State and Local [Member] | Maximum [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax loss carryforwards, expiration date |  | Mar. 31, 2034 |  |
Austria [Member] |  |  |  |
Income Tax Examination [Line Items] |  |  |  |
Open tax year for examination by tax jurisdictions |  | Fiscal 2012 - 2013 |  |
Brazil [Member] |  |  |  |
Income Tax Examination [Line Items] |  |  |  |
Open tax year for examination by tax jurisdictions |  | Calendar 2009 - 2013 |  |
Germany [Member] |  |  |  |
Income Tax Examination [Line Items] |  |  |  |
Open tax year for examination by tax jurisdictions |  | Fiscal 2011 - 2013 |  |
United States [Member] |  |  |  |
Income Tax Examination [Line Items] |  |  |  |
Open tax year for examination by tax jurisdictions |  | Fiscal 2011 - 2013 |  |
Undistributed foreign earnings [Abstract] |  |  |  |
Tax on undistributed earnings of certain joint equity investment | 0.2 | 0.2 |  |
Foreign Tax Jurisdictions [Member] |  |  |  |
Valuation Allowance [Line Items] |  |  |  |
Valuation allowance recorded against deferred tax assets |  | 12.3 |  |
U.S. Taxing Jurisdictions [Member] |  |  |  |
Valuation Allowance [Line Items] |  |  |  |
Valuation allowance recorded against deferred tax assets |  | 15.3 |  |
United States [Member] |  |  |  |
Valuation Allowance [Line Items] |  |  |  |
Valuation allowance recorded against deferred tax assets |  | $ (6.2) |  |

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