CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities:
Net income (loss)	$ 101,700,000	$ (69,000,000)	$ 110,700,000
Adjustments to reconcile net income (loss) to operating cash flows:
Depreciation of properties	123,400,000	98,600,000	44,000,000
Amortization of intangibles	179,200,000	260,100,000	224,300,000
Unamortized Costs Capitalized Less Related Deferred Income Taxes Exceed Ceiling Limitations, Expense	81,000,000
Impairment of oil and natural gas properties	81,000,000	54,300,000	0
Stock compensation	91,100,000	61,500,000	31,200,000
Amortization of debt issuance costs	21,000,000	18,100,000	12,800,000
Amortization of debt discount	4,600,000	3,000,000	1,300,000
Write-off of debt issuance costs on retired debt	6,400,000	32,400,000	2,900,000
Write-off of debt discount on retired debt	2,800,000	(3,100,000)	(500,000)
Deferred income taxes	(5,500,000)	170,700,000	(197,400,000)
Gain on contingent purchase price reduction	(500,000)		(41,000,000)
Cost of trading securities acquired for resale			(643,800,000)
Proceeds from trading securities sold			766,100,000
Interest credited/index credits to contractholder account balances	711,600,000	375,000,000	586,800,000
Collateral received (paid)	63,500,000	72,000,000	49,300,000
Amortization of fixed maturity discounts and premiums	(43,000,000)	16,700,000	86,900,000
Net recognized (gains) losses on investments and derivatives	(365,500,000)	(411,800,000)	(231,900,000)
Charges assessed to contractholders for mortality and administration	(45,800,000)	(31,500,000)	(14,900,000)
Deferred policy acquisition costs	(239,000,000)	(147,400,000)	(194,900,000)
Cash transferred to reinsurer			(176,800,000)
Non-cash increase to cost of goods sold due to the sale of HHI Business acquisition inventory		31,000,000
Non-cash restructuring and related charges	9,200,000		5,200,000
Changes in operating assets and liabilities:	(88,300,000)	(8,300,000)	202,200,000
Net change in cash due to operating activities	607,900,000	522,300,000	622,500,000
Cash flows from investing activities:
Proceeds from investments sold, matured or repaid	5,609,200,000	9,432,200,000	6,206,700,000
Cost of investments acquired	(7,221,400,000)	(8,940,800,000)	(5,972,700,000)
Acquisitions, net of cash acquired	(27,200,000)	(2,014,800,000)	(185,100,000)
Asset-based loans originated, net	(190,600,000)	(386,600,000)	(181,500,000)
Capital expenditures	(98,200,000)	(100,100,000)	(53,500,000)
Proceeds from Sale of Productive Assets	9,400,000	0
Other investing activities, net	(1,800,000)	(700,000)	500,000
Net change in cash due to investing activities	(1,920,600,000)	(2,010,800,000)	(185,600,000)
Cash flows from financing activities:
Proceeds from issuance of new debt	941,600,000	4,444,000,000	517,000,000
Repayment of debt, including tender and call premiums	(770,900,000)	(1,608,500,000)	(524,600,000)
Revolving credit facility activity	(27,500,000)	(299,900,000)	400,000
Debt issuance costs	(19,300,000)	(100,400,000)	(11,200,000)
Purchases of subsidiary stock, net	(9,300,000)	(77,100,000)	(85,000,000)
Contractholder account deposits	2,387,900,000	1,361,800,000	2,040,500,000
Contractholder account withdrawals	(1,783,500,000)	(1,712,500,000)	(1,979,600,000)
Dividend paid by subsidiary to noncontrolling interest	(28,300,000)	(17,400,000)	(31,700,000)
Dividends paid on preferred stock	(28,600,000)	(33,400,000)	(23,600,000)
Share based award tax withholding payments	(31,500,000)	(22,300,000)	(3,900,000)
Common stock repurchased	(65,600,000)	(12,300,000)
Proceeds from Issuance Initial Public Offering	172,600,000
Other financing activities, net	2,800,000		(1,000,000)
Net change in cash due to financing activities	740,400,000	1,922,000,000	(102,700,000)
Effect of exchange rate changes on cash and cash equivalents	(8,200,000)	(4,500,000)	(900,000)
Net change in cash and cash equivalents	(580,500,000)	429,000,000	333,300,000
Cash and cash equivalents at beginning of period	1,899,700,000	1,470,700,000	1,137,400,000
Cash and cash equivalents at end of period	1,319,200,000	1,899,700,000	1,470,700,000
Supplemental disclosure of cash flow information:
Cash paid for interest	305,200,000	450,400,000	238,600,000
Cash paid for taxes, net	114,600,000	53,400,000	47,200,000
HGI
Cash flows from operating activities:
Net income (loss)	(10,300,000)	(45,800,000)	89,500,000
Adjustments to reconcile net income (loss) to operating cash flows:
Stock compensation	27,000,000	11,700,000	1,900,000
Amortization of debt issuance costs	3,500,000	2,700,000	2,900,000
Amortization of debt discount	1,500,000	500,000	600,000
Write-off of debt issuance costs on retired debt	0	10,800,000	0
Write-off of debt discount on retired debt	0	2,100,000	0
Gain on contingent purchase price reduction	(500,000)
Net change in cash due to operating activities	(12,800,000)	10,200,000	(9,200,000)
Cash flows from investing activities:
Proceeds from investments sold, matured or repaid	0	34,000,000	108,900,000
Cost of investments acquired	0	0	(68,000,000)
Capital expenditures	(300,000)	(400,000)	0
Net change in cash due to investing activities	(115,800,000)	(294,000,000)	141,900,000
Cash flows from financing activities:
Dividends paid on preferred stock	(28,600,000)	(33,400,000)	(31,700,000)
Share based award tax withholding payments	(6,500,000)	(2,300,000)
Common stock repurchased	(65,600,000)	(12,300,000)
Other financing activities, net	2,800,000	0	0
Net change in cash due to financing activities	291,700,000	304,900,000	(31,700,000)
Net change in cash and cash equivalents	163,100,000	21,100,000	101,000,000
Cash and cash equivalents at beginning of period	256,900,000	235,800,000	134,800,000
Cash and cash equivalents at end of period	$ 420,000,000	$ 256,900,000	$ 235,800,000