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Income Taxes Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Operating Loss Carryforwards [Line Items]        
Effective Income Tax Rate Reconciliation, Percent 43.60% (2.40%) 61.90% (3.00%)
Discontinued Operations [Member]        
Operating Loss Carryforwards [Line Items]        
Operating Loss Carryforwards   $ 5.9   $ 5.9
Spectrum Brands [Member]        
Operating Loss Carryforwards [Line Items]        
Effective Income Tax Rate Reconciliation, Tax Contingency, Other, Amount       $ 25.5