Other Required Disclosures - Components of Receivables, Net (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended		15 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Jul. 01, 2012	Jul. 01, 2013	Sep. 30, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Foreign Countries Percentage	37.10%	41.40%	44.00%	40.00%
Trade accounts receivable	$ 531.8	$ 531.8			$ 357.2
Contingent purchase price reduction receivable (Note 3)	41.0	41.0			41.0
Other receivables	71.1	71.1			38.1
Total receivables	643.9	643.9			436.3
Less: Allowance for doubtful trade accounts receivable	32.6	32.6			21.9
Total receivables, net	611.3	611.3			414.4
Consumer Products Trade Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable	511.9	511.9			357.2
Oil and Gas Trade Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable	$ 19.9	$ 19.9