NOTES PAYABLE - DIRECT CORPORATE OBLIGATIONS NOTES PAYABLE - DIRECT CORPORATE OBLIGATIONS - SCHEDULED REPAYMENT (Details) $ in Millions	Sep. 30, 2018 USD ($)
Debt Disclosure [Abstract]
2019	$ 0.0
2020	425.0
2021	0.0
2022	0.0
2023	0.0
Thereafter	500.0
Long-term Debt	$ 925.0

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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-Publisher FASB
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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