Guarantor Statements - SB/RH (Statement Of Comprehensive Income) (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 29, 2019	Dec. 30, 2018
Condensed Statement of Income Captions [Line Items]
Net (loss) income	$ (34.9)	$ (112.3)
Net unrealized loss on foreign currency translation	26.5	(11.9)
Unrealized gain (loss) on derivative instruments	(6.2)	(0.6)
Defined benefit pension gain (loss)	4.0	1.5
Net change to derive comprehensive income (loss) for the periods	24.3	(11.0)
Comprehensive (loss) income	(10.6)	(123.3)
Comprehensive loss attributable to non-controlling interest	0.1
Comprehensive (loss) income attributable to controlling interest	(10.7)	(123.3)
Parent [Member]
Condensed Statement of Income Captions [Line Items]
Net (loss) income	(34.4)	(103.3)
Net unrealized loss on foreign currency translation	26.6	(12.0)
Unrealized gain (loss) on derivative instruments	(6.1)	(0.6)
Defined benefit pension gain (loss)	3.9	1.5
Net change to derive comprehensive income (loss) for the periods	24.4	(11.1)
Comprehensive (loss) income	(10.0)	(114.4)
Comprehensive (loss) income attributable to controlling interest	(10.0)	(114.4)
SB/RH [Member]
Condensed Statement of Income Captions [Line Items]
Net (loss) income	(34.0)	(102.2)
Net unrealized loss on foreign currency translation	26.5	(11.9)
Unrealized gain (loss) on derivative instruments	(6.2)	(0.6)
Defined benefit pension gain (loss)	4.0	1.4
Net change to derive comprehensive income (loss) for the periods	24.3	(11.1)
Comprehensive (loss) income	(9.7)	(113.3)
Comprehensive loss attributable to non-controlling interest	0.1
Comprehensive (loss) income attributable to controlling interest	(9.8)	(113.3)
Eliminations [Member]
Condensed Statement of Income Captions [Line Items]
Net (loss) income	9.7	28.5
Net unrealized loss on foreign currency translation	(61.6)	42.8
Unrealized gain (loss) on derivative instruments	13.7	(6.1)
Defined benefit pension gain (loss)	0.7	(2.3)
Net change to derive comprehensive income (loss) for the periods	(47.2)	34.4
Comprehensive (loss) income	(37.5)	62.9
Comprehensive (loss) income attributable to controlling interest	(37.5)	62.9
Guarantor Subsidiaries [Member]
Condensed Statement of Income Captions [Line Items]
Net (loss) income	3.5	(53.9)
Net unrealized loss on foreign currency translation	31.5	(21.5)
Unrealized gain (loss) on derivative instruments	(6.9)	3.0
Defined benefit pension gain (loss)	(0.3)	1.1
Net change to derive comprehensive income (loss) for the periods	24.3	(17.4)
Comprehensive (loss) income	27.8	(71.3)
Comprehensive (loss) income attributable to controlling interest	27.8	(71.3)
Nonguarantor Subsidiaries [Member]
Condensed Statement of Income Captions [Line Items]
Net (loss) income	(12.8)	26.5
Net unrealized loss on foreign currency translation	30.0	(21.2)
Unrealized gain (loss) on derivative instruments	(6.9)	3.1
Defined benefit pension gain (loss)	(0.3)	1.1
Net change to derive comprehensive income (loss) for the periods	22.8	(17.0)
Comprehensive (loss) income	10.0	9.5
Comprehensive loss attributable to non-controlling interest	0.1
Comprehensive (loss) income attributable to controlling interest	$ 9.9	$ 9.5