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Income Taxes, Valuation Allowances and NOL Carryforwards (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Dec. 31, 2014
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Dec. 31, 2013
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| Operating Loss Carryforwards [Line Items] | ||
| Reversal of deferred tax valuation allowance | $ 9.5us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount | $ 599.5us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount |
| Total valuation allowance | 69.0us-gaap_DeferredTaxAssetsValuationAllowance | |
| Current valuation allowance | 10.6us-gaap_DeferredTaxAssetsValuationAllowanceCurrent | 11.6us-gaap_DeferredTaxAssetsValuationAllowanceCurrent |
| Non-current valuation allowance | 58.4us-gaap_DeferredTaxAssetsValuationAllowanceNoncurrent | 76.6us-gaap_DeferredTaxAssetsValuationAllowanceNoncurrent |
| Tax benefit of loss carryovers | 72.1us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | |
| NOL carryforwards which expire | 63.4us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration | |
| NOL carryforwards which have an unlimited life | 8.7us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration | |
| Foreign jurisdictions [Member] | ||
| Operating Loss Carryforwards [Line Items] | ||
| Tax benefit of loss carryovers |
12.2us-gaap_DeferredTaxAssetsOperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
|
| State and Local Jurisdiction [Member] | ||
| Operating Loss Carryforwards [Line Items] | ||
| Tax benefit of loss carryovers |
59.9us-gaap_DeferredTaxAssetsOperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
|
| United States | ||
| Operating Loss Carryforwards [Line Items] | ||
| Total valuation allowance |
59.5us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_StatementGeographicalAxis = country_US |
|
| Foreign jurisdictions [Member] | ||
| Operating Loss Carryforwards [Line Items] | ||
| Total valuation allowance |
$ 9.5us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_StatementGeographicalAxis = us-gaap_ForeignCountryMember |
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates. No definition available.
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates. No definition available.
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- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized expected to be realized or consumed after one year (or the normal operating cycle, if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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