Percentages of Three Largest Customers Consolidated Net Sales (Detail)	12 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Concentration Of Customers Accounts Receivable with three largest customers	55.00%	56.00%
Global Consumer [Member] \| Home Depot
Revenue, Major Customer [Line Items]
Percentage of consolidated net sales	36.00%	34.00%	33.00%
Global Consumer [Member] \| Lowe's
Revenue, Major Customer [Line Items]
Percentage of consolidated net sales	19.00%	18.00%	18.00%
Global Consumer [Member] \| Wal-mart
Revenue, Major Customer [Line Items]
Percentage of consolidated net sales	13.00%	13.00%	13.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Section 50

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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