Restructuring And Related Charges (Summary Of Restructuring And Related Charges) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 12.6	$ 20.3	$ 21.5	$ 37.5
Global Productivity Improvement Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	12.7		18.5
HHI Distribution Center Consolidation [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		13.6	2.3	28.8
PET Rightsizing Initiative [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges		3.4		4.0
Other Restructuring Activities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	(0.1)	3.3	0.7	4.7
Cost of Goods Sold [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	0.2	1.7	1.0	2.0
Operating Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 12.4	$ 18.6	$ 20.5	$ 35.5