Quarterly Results (Unaudited) - Additonal Information (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Schedule of Quarterly Financial Information [Line Items]
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ (9.6)	$ 141.5	$ 56.5	$ 2.0	$ (95.0)	$ (24.7)	$ (85.1)	$ (86.1)	$ 190.4	$ (290.9)	$ 14.4
Net consumer and other product sales	1,249.7	1,361.6	1,209.6	1,218.8	1,308.1	1,249.7	1,086.5	1,088.8	5,039.7	4,733.1	4,449.2
Revenue, Net	1,308.6	1,437.4	1,260.0	1,209.4	1,281.5	1,202.9	1,117.8	1,107.5
Consolidated segment revenues									5,215.4	4,709.7	4,634.7
Gross profit	485.7	530.7	462.8	440.7	467.5	458.4	379.5	376.8
Operating income									628.0	45.8	427.4
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	45.8	(234.5)	(40.6)	5.0	(32.1)	(16.7)	(152.4)	(20.3)	(224.3)	(221.5)	87.3
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent									44.6	(313.3)	(158.3)
Net loss attributable to common and participating preferred stockholders									(198.8)	(556.8)	(83.9)
Net loss attributable to controlling interest	$ (7.3)	$ (132.9)	$ (24.7)	$ (33.9)	$ (143.1)	$ (75.6)	$ (228.3)	$ (109.8)	$ (198.8)	$ (556.8)	$ (10.3)
Income (Loss) from Continuing Operations, Per Basic Share	$ (0.24)	$ 0.52	$ 0.09	$ (0.15)	$ (0.53)	$ (0.21)	$ (0.40)	$ (0.44)	$ 0.23	$ (1.58)	$ (0.97)
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share	0.20	(1.19)	(0.22)	(0.02)	(0.20)	(0.17)	(0.76)	(0.12)	(1.23)	(1.23)	0.46
Basic (in dollars per share)	$ (0.04)	$ (0.67)	$ (0.13)	$ (0.17)	$ (0.73)	$ (0.38)	$ (1.16)	$ (0.56)	$ (1.00)	$ (2.81)	$ (0.51)
Net (loss) income	$ 36.2	$ (93.0)	$ 15.9	$ 7.0	$ (127.1)	$ (41.4)	$ (237.5)	$ (106.4)	$ (33.9)	$ (512.4)	$ 101.7
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share	$ 0.20	$ (1.17)	$ (0.22)	$ (0.02)	$ (0.20)	$ (0.17)	$ (0.76)	$ (0.12)	$ (1.21)	$ (1.23)	$ 0.46
Earnings Per Share, Diluted	$ (0.04)	$ (0.66)	$ (0.13)	$ (0.17)	$ (0.73)	$ (0.38)	$ (1.16)	$ (0.56)	$ (0.99)	$ (2.81)	$ (0.51)
Adjustments for New Accounting Principle, Early Adoption [Member]
Schedule of Quarterly Financial Information [Line Items]
Unrecognized Tax Benefits that Would Result in Deferred Tax Assets					$ 0.0					$ 0.0
Accounting Standards Update 2016-09 [Member]
Schedule of Quarterly Financial Information [Line Items]
Unrecognized Tax Benefits that Would Result in Deferred Tax Assets				$ (4.3)	$ (28.4)					(28.4)
Discontinued Operations, Held-for-sale [Member]
Schedule of Quarterly Financial Information [Line Items]
Consolidated segment revenues									$ 0.0	0.0
Operating income									0.0	0.0
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest									(224.3)	(221.5)
Net (loss) income									$ (224.3)	$ (221.5)
Scenario, Previously Reported [Member]
Schedule of Quarterly Financial Information [Line Items]
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest		$ 115.4	$ 11.6	42.6		$ (144.3)	$ (243.3)	$ (123.4)
Net consumer and other product sales		1,361.6	1,209.6	1,218.8		1,249.7	1,086.5	1,088.8
Revenue, Net		1,447.1	1,269.5	1,226.2		1,227.2	1,143.8	1,141.8
Gross profit		530.7	462.8	440.7		458.4	379.5	376.8
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest		(208.4)	(13.1)	(35.6)		102.9	5.8	17.0
Net loss attributable to controlling interest		$ (132.9)	$ (34.8)	$ (33.9)		$ (75.6)	$ (228.3)	$ (109.8)
Income (Loss) from Continuing Operations, Per Basic Share		$ 0.39	$ (0.10)	$ 0.06		$ (0.82)	$ (1.20)	$ (0.63)
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share		(1.06)	(0.08)	(0.23)		0.44	0.04	0.07
Basic (in dollars per share)		$ (0.67)	$ (0.18)	$ (0.17)		$ (0.38)	$ (1.16)	$ (0.56)
Net (loss) income		$ (93.0)	$ (1.5)	$ 7.0		$ (41.4)	$ (237.5)	$ (106.4)
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share		$ (1.04)	$ (0.08)	$ (0.23)		$ 0.44	$ 0.04	$ 0.07
Earnings Per Share, Diluted		$ (0.66)	$ (0.18)	$ (0.17)		$ (0.38)	$ (1.16)	$ (0.56)
Restatement Adjustment [Member]
Schedule of Quarterly Financial Information [Line Items]
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest		$ 26.1	$ 44.9	$ (40.6)		$ 119.6	$ 158.2	$ 37.3
Net consumer and other product sales		0.0	0.0	0.0		0.0	0.0	0.0
Revenue, Net		(9.7)	(9.5)	(16.8)		(24.3)	(26.0)	(34.3)
Gross profit		0.0	0.0	0.0		0.0	0.0	0.0
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest		(26.1)	(27.5)	40.6		(119.6)	(158.2)	(37.3)
Net loss attributable to controlling interest		$ 0.0	$ 10.1	$ 0.0		$ 0.0	$ 0.0	$ 0.0
Income (Loss) from Continuing Operations, Per Basic Share		$ 0.13	$ 0.19	$ (0.21)		$ 0	$ 0.80	$ 0.19
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share		(0.13)	(0.14)	0.21		0	(0.80)	(0.19)
Basic (in dollars per share)		$ 0.00	$ 0.05	$ 0.00		$ 0.00	$ 0.00	$ 0.00
Net (loss) income		$ 0.0	$ 17.4	$ 0.0		$ 0.0	$ 0.0	$ 0.0
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share		$ (0.13)	$ (0.14)	$ 0.21		$ (0.61)	$ (0.80)	$ (0.19)
Earnings Per Share, Diluted		$ 0.00	$ 0.05	$ 0.00		$ 0.00	$ 0.00	$ 0.00
Restatement Adjustment [Member] | Accounting Standards Update 2016-09 [Member]
Schedule of Quarterly Financial Information [Line Items]
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest			$ 17.4
Net loss attributable to controlling interest			$ 10.1
Basic (in dollars per share)			$ 0.05
Net (loss) income			$ 17.4