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Accumulated Other Comprehensive Loss (Schedule Of Accumulated Other Comprehensive Loss) (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2015
Mar. 31, 2014
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]        
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax     $ (2.4)us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax  
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax     (63.1)us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax  
Accumulated Other Comprehensive Income (Loss), Net of Tax     (60.7)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax  
Foreign currency translation (3.6)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax (2.0)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax (5.7)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax (4.0)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
Minimum pension liability, net of tax     (6.4)us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax  
Other Comprehensive Income (Loss), Net of Tax (6.8)us-gaap_OtherComprehensiveIncomeLossNetOfTax (5.0)us-gaap_OtherComprehensiveIncomeLossNetOfTax (12.1)us-gaap_OtherComprehensiveIncomeLossNetOfTax (10.0)us-gaap_OtherComprehensiveIncomeLossNetOfTax
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax 3.3us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax   3.3us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax  
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax (69.5)us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax   (69.5)us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax  
Accumulated Other Comprehensive Income (Loss), Net of Tax $ (72.8)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax   $ (72.8)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax