Receivables, net - Schedule of Receivables (Details) - USD ($) $ in Millions	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable	$ 529.4	$ 542.8
Less: Allowance for doubtful trade accounts receivable	46.8	44.0	$ 48.6	$ 37.4
Total trade accounts receivable, net	482.6	498.8
Other receivables	73.7	115.1
Total receivables, net	556.3	613.9
Consumer Products Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables, net	538.2	586.6
Spectrum Brands [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Transfer of Financial Assets Accounted for as Sales, Amount Derecognized	2,055.0	1,938.0	1,575.0
Transfer of Financial Assets Accounted for as Sales, Cost of Factoring	$ 10.1	$ 6.5	$ 9.7