CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Cash Flows from Operating Activities
Net Income	$ 253.5	$ 153.0
Adjustments to Reconcile Net Income to Net Cash Provided (Used) by Operating Activities
Change in Receivables	239.2	4.5
Change in Deferred Acquisition Costs	14.3	35.8
Change in Insurance Reserves and Liabilities	(38.3)	259.3
Change in Income Taxes	58.3	44.9
Change in Other Accrued Liabilities	(127.1)	(72.4)
Non-cash Components of Net Investment Income	(111.3)	(108.0)
Net Investment (Gain) Loss	13.8	(84.6)
Depreciation	30.0	29.3
Cash Related to Reinsurance Agreement	0.0	(456.8)
Amortization of the Cost of Reinsurance	(16.7)	(20.0)
Other, Net	(23.3)	(18.8)
Net Cash Provided (Used) by Operating Activities	325.8	(193.8)
Cash Flows from Investing Activities
Proceeds from Sales of Fixed Maturity Securities	171.9	157.4
Proceeds from Maturities of Fixed Maturity Securities	427.1	856.3
Proceeds from Sales and Maturities of Other Investments	102.0	68.2
Purchases of Fixed Maturity Securities	(931.9)	(1,185.0)
Purchases of Other Investments	(128.6)	(62.5)
Net Sales and Maturities of Short-term Investments	190.2	769.0
Net Increase (Decrease) in Payables for Collateral on Investments	(1.3)	16.1
Net Purchases of Property and Equipment	(21.8)	(30.9)
Net Cash Provided (Used) by Investing Activities	(192.4)	588.6
Cash Flows from Financing Activities
Issuance of Common Stock	0.6	0.8
Repurchase of Common Stock	(50.0)	0.0
Dividends Paid to Stockholders	(62.0)	(58.4)
Proceeds from Policyholder Account Deposits	31.2	33.9
Payments for Policyholder Account Withdrawals	(21.6)	(24.2)
Cash Received Related to Active Life Volatility Cover Agreement	0.0	17.9
Net Cash Used by Financing Activities	(101.8)	(30.0)
Net Increase in Cash and Bank Deposits	31.6	364.8
Cash and Bank Deposits at Beginning of Year	75.0	197.0
Cash and Bank Deposits at End of Period	$ 106.6	$ 561.8

Cash Received Related to Active Life Volatility Cover Agreement Reinsurance Agreement

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Net Cash Paid in Relation to Reinsurance Agreement

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The cash inflow from a segregated fund account during the period.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of increase (decrease) in deferred policy acquisition cost.

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The aggregate net amount of depreciation, amortization, and accretion recognized during an accounting period. As a noncash item, the net amount is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of realized and unrealized gain (loss) on investment.

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The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction.

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