Revenue Recognition (Disaggregation Of Revenue) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Mar. 29, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Revenue	$ 937.8	$ 906.7	$ 1,809.3	$ 1,787.0
Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Revenue	937.8	906.7	1,809.3	1,787.0
Operating Segments [Member] | Licensing [Member]
Disaggregation of Revenue [Line Items]
Revenue	3.6	4.9	9.2	10.8
Operating Segments [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	1.2	1.2	2.4	2.4
Operating Segments [Member] | North America [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	716.4	682.9	1,297.0	1,279.3
Operating Segments [Member] | EMEA [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	150.4	148.1	353.6	340.3
Operating Segments [Member] | Latin America [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	42.4	44.4	93.4	97.3
Operating Segments [Member] | Asia-Pacific [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	23.8	25.2	53.7	56.9
Operating Segments [Member] | Hardware & Home Improvement [Member]
Disaggregation of Revenue [Line Items]
Revenue	329.1	331.1	626.8	636.2
Operating Segments [Member] | Hardware & Home Improvement [Member] | Licensing [Member]
Disaggregation of Revenue [Line Items]
Revenue	0.3	0.4	0.6	0.7
Operating Segments [Member] | Hardware & Home Improvement [Member] | North America [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	313.6	313.1	595.1	602.3
Operating Segments [Member] | Hardware & Home Improvement [Member] | EMEA [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	0.3	0.1	0.4	0.2
Operating Segments [Member] | Hardware & Home Improvement [Member] | Latin America [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	9.9	11.7	20.4	22.0
Operating Segments [Member] | Hardware & Home Improvement [Member] | Asia-Pacific [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	5.0	5.8	10.3	11.0
Operating Segments [Member] | Home And Personal Care [Member]
Disaggregation of Revenue [Line Items]
Revenue	232.7	221.7	554.8	538.9
Operating Segments [Member] | Home And Personal Care [Member] | Licensing [Member]
Disaggregation of Revenue [Line Items]
Revenue	0.9	2.2	4.0	6.1
Operating Segments [Member] | Home And Personal Care [Member] | North America [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	98.7	91.4	215.1	208.3
Operating Segments [Member] | Home And Personal Care [Member] | EMEA [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	92.2	87.8	241.4	227.6
Operating Segments [Member] | Home And Personal Care [Member] | Latin America [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	28.3	28.5	64.2	66.7
Operating Segments [Member] | Home And Personal Care [Member] | Asia-Pacific [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	12.6	11.8	30.1	30.2
Operating Segments [Member] | Global Pet Care [Member]
Disaggregation of Revenue [Line Items]
Revenue	236.9	214.9	442.7	419.6
Operating Segments [Member] | Global Pet Care [Member] | Licensing [Member]
Disaggregation of Revenue [Line Items]
Revenue	2.0	1.7	3.8	3.4
Operating Segments [Member] | Global Pet Care [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	1.2	1.2	2.4	2.4
Operating Segments [Member] | Global Pet Care [Member] | North America [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	166.3	140.9	304.8	279.2
Operating Segments [Member] | Global Pet Care [Member] | EMEA [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	57.9	60.2	111.8	112.5
Operating Segments [Member] | Global Pet Care [Member] | Latin America [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	3.3	3.3	6.6	6.4
Operating Segments [Member] | Global Pet Care [Member] | Asia-Pacific [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	6.2	7.6	13.3	15.7
Operating Segments [Member] | Home and Garden Business [Member]
Disaggregation of Revenue [Line Items]
Revenue	139.1	139.0	185.0	192.3
Operating Segments [Member] | Home and Garden Business [Member] | Licensing [Member]
Disaggregation of Revenue [Line Items]
Revenue	0.4	0.6	0.8	0.6
Operating Segments [Member] | Home and Garden Business [Member] | North America [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	137.8	137.5	182.0	189.5
Operating Segments [Member] | Home and Garden Business [Member] | Latin America [Member] | Product [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 0.9	$ 0.9	$ 2.2	$ 2.2