CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share	$ 0.00	$ (0.29)	$ 2.38	$ 1.01
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share	$ 0.00	$ (0.29)	$ 2.38	$ 1.01
Revenues:
Net sales	$ 766.1	$ 756.4	$ 1,412.6	$ 1,358.7
Net investment income		1.0		1.0
Total revenues	766.1	757.4	1,412.6	1,359.7
Operating costs and expenses:
Cost of goods sold	494.8	445.6	898.6	807.7
Selling, acquisition, operating and general expenses	242.4	216.5	458.5	415.4
Total operating costs and expenses	737.2	662.1	1,357.1	1,223.1
Operating income	28.9	95.3	55.5	136.6
Interest expense	(67.6)	(77.7)	(143.1)	(156.4)
Other income (expense), net	0.2	(1.4)	1.2	(0.4)
(Loss) income from continuing operations before income taxes	(38.5)	16.2	(86.4)	(20.2)
Income tax (benefit) expense	(1.2)	24.0	(127.2)	29.6
Net (loss) income from continuing operations	(36.6)	(51.4)	542.3	209.4
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	(37.3)	(7.8)	40.8	(49.8)
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0.7	(43.6)	501.5	259.2
Less: Net income attributable to noncontrolling interest	0.5	30.7	72.0	79.3
Net (loss) income attributable to controlling interest	(37.1)	(82.1)	470.3	130.1
Net (loss) income attributable to common and participating preferred stockholders	$ (37.1)	$ (82.1)	$ 470.3	$ 130.1
Income (Loss) from Continuing Operations, Per Basic Share	$ (0.18)	$ (0.12)	$ (0.04)	$ (0.36)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	$ (37.5)	$ (24.4)	$ (8.7)	$ (71.6)
Net (loss) income per common share attributable to controlling interest:
Earnings Per Share, Basic	$ (0.18)	$ (0.41)	$ 2.34	$ 0.65
Earnings Per Share, Diluted	(0.18)	(0.41)	2.34	0.65
Income (Loss) from Continuing Operations, Per Diluted Share	$ (0.18)	$ (0.12)	$ (0.04)	$ (0.36)
Discontinued Operations, Held-for-sale [Member]
Revenues:
Total revenues				$ 0.0
Operating costs and expenses:
Operating income			$ 0.0	0.0
Net (loss) income from continuing operations			459.9	187.7
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest			459.9	187.7
Less: Net income attributable to noncontrolling interest			5.4	27.5
Net (loss) income attributable to controlling interest			454.5	160.2
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	$ 0.4	$ (57.7)
HGI | Discontinued Operations, Held-for-sale [Member]
Operating costs and expenses:
Net (loss) income attributable to controlling interest			$ 479.0	$ 201.7