Acquisitions - Summary of Acquisition and Integration Related Charges Incurred (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2013	Apr. 01, 2012	Mar. 31, 2013	Apr. 01, 2012
Business Acquisition [Line Items]
Total acquisition and integration related charges	$ 16.7	$ 8.4	$ 43.9	$ 17.5
SB/RH Merger [Member]
Business Acquisition [Line Items]
Integration costs	0.8	2.8	1.9	5.2
Employee termination charges	0.2	1.9	0.3	2.5
Legal and professional fees	0	0.3	0.1	0.9
Total acquisition and integration related charges	1.0	5.0	2.3	8.6
HHI Business [Member]
Business Acquisition [Line Items]
Integration costs	3.6	0	3.7	0
Employee termination charges	0.1	0	0.1	0
Legal and professional fees	6.5	0	21.0	0
Total acquisition and integration related charges	10.2	0	24.8	0
FGL [Member]
Business Acquisition [Line Items]
Total acquisition and integration related charges	0	0	0	0.1
EXCO/HGI Partnership [Member]
Business Acquisition [Line Items]
Total acquisition and integration related charges	4.1	0	9.1	0
FURminator [Member]
Business Acquisition [Line Items]
Total acquisition and integration related charges	0.6	2.1	1.2	4.6
BlackFlag [Member]
Business Acquisition [Line Items]
Total acquisition and integration related charges	0	0.5	0	1.8
Shaser Biosciences, Inc. [Member]
Business Acquisition [Line Items]
Total acquisition and integration related charges	0.2	0	4.4	0
Other [Member]
Business Acquisition [Line Items]
Total acquisition and integration related charges	$ 0.6	$ 0.8	$ 2.1	$ 2.4