CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Document Fiscal Year Focus	2016
Gain (Loss) on Disposition of Oil and Gas Property	$ (105.6)	$ 0.0
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	(257.1)	125.7
Cash and Cash Equivalents, Period Increase (Decrease)	(207.7)	(103.3)
Write Off Of Debt Issuance Costs On Retired Debt		12.5
Deconsolidation, Gain (Loss), Amount	0.0	38.5
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	187.0	(511.0)
Equity Method Investment, Realized Gain (Loss) Upon Step Acquisition	0.0	(141.2)
Cash flows from operating activities:
Net loss	(70.1)	(385.3)
Net Income (Loss) Attributable to Parent	(191.5)	(413.7)
Adjustments to reconcile net income (loss) to operating cash flows from continuing operations:
Depreciation of properties	81.2	97.5
Amortization of intangibles	70.5	64.0
Impairment of Intangible Assets, Finite-lived	10.7	60.2
Impairment of Proved Oil and Gas Properties	93.2	439.4
Provision for Loan and Lease Losses	3.5	77.5
Stock-based compensation	58.4	56.6
Amortization of debt issuance costs	12.9	11.2
Amortization of debt discount	1.9	3.1
Deferred income taxes	(61.3)	(68.8)
Interest credited/index credits to contractholder account balances	(27.2)	(28.1)
Net recognized (gains) losses on investments and derivatives	(22.0)	39.6
Charges assessed to contractholders for mortality and administration	(1.0)	(1.1)
Non-cash increase to cost of goods sold due to acquisition inventory step up		7.7
Non-cash restructuring and related charges	3.3	16.1
Changes in operating assets and liabilities:	(261.0)	(423.0)
Net Cash Provided by (Used in) Operating Activities, Continuing Operations	98.9	(270.1)
Cash Provided by (Used in) Operating Activities, Discontinued Operations	288.1	107.0
Net change in cash due to operating activities	387.0	(163.1)
Cash flows from investing activities:
Proceeds from investments sold, matured or repaid	52.7	84.9
Cost of investments acquired	(3.6)	(3.9)
Acquisitions, net of cash acquired		(1,322.1)
Net asset-based loan repayments	175.6	241.4
Capital expenditures	(64.0)	(65.8)
Proceeds from Sale of Productive Assets	154.3	20.7
Other investing activities, net	(1.9)	(0.4)
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	313.1	(1,045.2)
Cash Provided by (Used in) Investing Activities, Discontinued Operations	(911.7)	(900.1)
Net change in cash due to investing activities	(598.6)	(1,945.3)
Cash flows from financing activities:
Proceeds from issuance of new debt	5.4	3,691.8
Repayment of debt, including tender and call premiums	(407.8)	(2,641.6)
Revolving credit facility activity	(3.5)	63.8
Debt issuance costs	(2.5)	(45.8)
Purchases of subsidiary stock, net	(50.1)	(36.8)
Contractholder account deposits	4.1	77.5
Contractholder account withdrawals	(108.6)	(103.9)
Dividend paid by subsidiary to noncontrolling interest	(27.9)	(22.5)
Payments Related to Tax Withholding for Share-based Compensation	(28.0)	(20.3)
Proceeds from Issuance Initial Public Offering	0.0	281.1
Payments for Repurchase of Common Stock		22.2
Other financing activities, net	0.9	3.9
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	(618.0)	1,225.0
Cash Provided by (Used in) Financing Activities, Discontinued Operations	841.3	870.0
Net change in cash due to financing activities	223.3	2,095.0
Effect of exchange rate changes on cash and cash equivalents	(1.7)	(13.0)
Net Cash Provided by (Used in) Discontinued Operations and Continuing Operations	10.0	(26.4)
Net Cash Provided by (Used in) Discontinued Operations	217.7	76.9
Cash and cash equivalents at beginning of period	695.2	742.8
Cash and cash equivalents at end of period	$ 487.5	$ 639.5