Restructuring And Related Charges (Summary Of Costs Incurred By Reporting Segment) (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 29, 2019	Dec. 30, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 27.4	$ 9.1
Cumulative costs	80.5
Future costs to be incurred	57.4
Corporate [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	15.4	2.8
Cumulative costs	57.8
Future costs to be incurred	45.0
Hardware & Home Improvement [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	0.5	2.8
Cumulative costs	1.1
Future costs to be incurred	1.3
Home And Personal Care [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	1.1	0.2
Cumulative costs	9.2
Future costs to be incurred	0.5
Global Pet Supplies [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	10.3	2.6
Cumulative costs	10.5
Future costs to be incurred	7.4
Home and Garden Business [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	0.1	$ 0.7
Cumulative costs	1.9
Future costs to be incurred	$ 3.2