Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2017
Net income	$ 473.2	$ 872.0	$ 273.2
Other comprehensive income (loss)
Foreign currency translation loss	(60.6)	(52.0)	32.0
Deferred tax effect	(4.7)	7.9	(3.1)
Deferred tax valuation allowance		(0.2)	0.2
Net unrealized (loss) gain on foreign currency translation	(65.3)	(44.3)	29.1
Unrealized gain (loss) on derivative instruments
Unrealized gain (loss) on hedging activity before reclassification	42.4	16.4	(31.6)
Net reclassification for (gain) loss to income from continuing operations	(11.1)	8.5	(5.7)
Net reclassification for loss (gain) to income from discontinued operations	0.5	(1.6)	(5.1)
Unrealized gain (loss) on hedging instruments after reclassification	31.8	23.3	(42.4)
Deferred tax effect	(5.4)	(7.1)	13.3
Net unrealized gain (loss) on hedging derivative instruments	26.4	16.2	(29.1)
Defined benefit pension (loss) gain
Defined benefit pension (loss) gain before reclassification	(27.6)	(3.0)	23.5
Net reclassification for loss to income from continuing operations	2.0	4.6	4.3
Net reclassification for loss to income from discontinued operations	0.2	0.7	1.2
Defined benefit pension (loss) gain after reclassification	(25.4)	2.3	29.0
Deferred tax effect	4.1	1.5	(8.5)
Net defined benefit pension (loss) gain	(21.3)	3.8	20.5
Unrealized investment gain
Unrealized investment gain before reclassification		26.0	176.5
Net reclassification for (gain) loss to income from discontinued operations		(6.3)	17.9
Unrealized gain on investments after reclassification		19.7	194.4
Adjustments to intangible assets		(0.9)	(40.3)
Deferred tax effect		(6.7)	(54.5)
Net unrealized gain on investments		12.1	99.6
Deconsolidation of discontinued operations	21.9	(445.9)
Net change to derive comprehensive (loss) income for the periods	(38.3)	(458.1)	120.1
Comprehensive income (loss)	434.9	413.9	393.3
Comprehensive income (loss) attributable to non-controlling interest	(0.5)	(2.8)	195.2
Comprehensive income (loss) attributable to controlling interest	435.4	416.7	198.1
SB/RH [Member]
Net income	520.0	182.9	301.2
Other comprehensive income (loss)
Foreign currency translation loss	(60.6)	(52.0)	32.0
Deferred tax effect	(4.7)	7.9	(3.1)
Deferred tax valuation allowance		(0.2)	0.2
Net unrealized (loss) gain on foreign currency translation	(65.3)	(44.3)	29.1
Unrealized gain (loss) on derivative instruments
Unrealized gain (loss) on hedging activity before reclassification	42.4	16.4	(31.6)
Net reclassification for (gain) loss to income from continuing operations	(11.1)	8.5	(5.7)
Net reclassification for loss (gain) to income from discontinued operations	0.5	(1.6)	(5.1)
Unrealized gain (loss) on hedging instruments after reclassification	31.8	23.3	(42.4)
Deferred tax effect	(5.4)	(7.1)	13.3
Net unrealized gain (loss) on hedging derivative instruments	26.4	16.2	(29.1)
Defined benefit pension (loss) gain
Defined benefit pension (loss) gain before reclassification	(27.6)	(3.0)	22.6
Net reclassification for loss to income from continuing operations	2.0	2.5	4.3
Net reclassification for loss to income from discontinued operations	0.2	0.7	1.2
Defined benefit pension (loss) gain after reclassification	(25.4)	0.2	28.1
Deferred tax effect	4.1	1.5	(8.5)
Net defined benefit pension (loss) gain	(21.3)	1.7	19.6
Unrealized investment gain
Deconsolidation of discontinued operations	21.9
Net change to derive comprehensive (loss) income for the periods	(38.3)	(26.4)	19.6
Comprehensive income (loss)	481.7	156.5	320.8
Comprehensive income (loss) attributable to non-controlling interest	(0.5)	(0.3)	(0.2)
Comprehensive income (loss) attributable to controlling interest	$ 482.2	$ 156.8	$ 321.0