Acquisitions - Summary of Acquisition and Integration Related Charges Incurred (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
Business Acquisition [Line Items]
Document Period End Date		Jun. 30, 2013
Total acquisition and integration related charges	$ 8.6	$ 52.5	$ 22.9	$ 5.5
SB/RH Merger [Member]
Business Acquisition [Line Items]
Integration costs	0.7	2.6	6.8	1.6
Employee termination charges	(0.1)	0.2	3.3	0.8
Legal and professional fees	(0.1)	0	1.5	0.6
Total acquisition and integration related charges	0.5	2.8	11.6	3.0
HHI Business [Member]
Business Acquisition [Line Items]
Integration costs	1.6	5.3	0	0
Employee termination charges	0	0.1	0	0
Legal and professional fees	4.7	25.7	0	0
Total acquisition and integration related charges	6.3	31.1	0	0
EXCO/HGI JV [Member]
Business Acquisition [Line Items]
Total acquisition and integration related charges	0.1	9.2	0	0
FURminator [Member]
Business Acquisition [Line Items]
Total acquisition and integration related charges	0.4	1.6	6.3	1.7
BlackFlag [Member]
Business Acquisition [Line Items]
Total acquisition and integration related charges	0.1	0.1	1.9	0.1
Shaser Biosciences, Inc. [Member]
Business Acquisition [Line Items]
Total acquisition and integration related charges	0.1	4.5	0	0
Other [Member]
Business Acquisition [Line Items]
Total acquisition and integration related charges	$ 1.1	$ 3.2	$ 3.1	$ 0.7