CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Cash Flows from Operating Activities
Net Income	$ 623.9	$ 335.9
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities
Change in Receivables	469.3	281.5
Change in Deferred Acquisition Costs	(19.0)	(42.1)
Change in Insurance Reserves and Liabilities	(112.4)	316.2
Change in Income Taxes	24.9	185.2
Change in Other Accrued Liabilities	(86.7)	(64.8)
Non-cash Components of Net Investment Income	(240.3)	(246.7)
Net Investment (Gain) Loss	17.9	(85.5)
Depreciation	56.7	59.6
Cash Related to Reinsurance Agreement	0.0	456.8
Amortization of the Cost of Reinsurance	33.3	39.7
Other, Net	(21.0)	75.8
Net Cash Provided by Operating Activities	784.6	482.2
Cash Flows from Investing Activities
Proceeds from Sale of Debt Securities, Available-for-sale	356.9	268.1
Proceeds from Maturities of Fixed Maturity Securities	785.8	1,393.5
Proceeds from Sales and Maturities of Other Investments	218.6	179.4
Payments to Acquire Debt Securities, Available-for-sale	(1,728.0)	(2,122.2)
Purchases of Other Investments	(248.9)	(167.9)
Net Sales (Purchases) of Short-term Investments	126.4	(72.8)
Net Increase in Payables for Collateral on Investments	19.3	72.8
Net Purchases of Property and Equipment	(44.4)	(57.6)
Net Cash Used by Investing Activities	(514.3)	(506.7)
Cash Flows from Financing Activities
Issuance of Long-term Debt	0.0	588.1
Long-term Debt Repayment	0.0	(500.0)
Cost Related to Early Retirement of Debt	0.0	(62.8)
Issuance of Common Stock	1.7	1.4
Payments for Repurchase of Common Stock	93.4	0.0
Dividends Paid to Stockholders	(122.3)	(116.7)
Proceeds from Policyholder Account Deposits	61.4	66.4
Payments for Policyholder Account Withdrawals	(38.8)	(42.8)
Cash Received Related to Active Life Volatility Cover Agreement	0.0	17.9
Other, Net	(2.5)	(0.9)
Net Cash Used by Financing Activities	(193.9)	(49.4)
Net Increase (Decrease) in Cash and Bank Deposits	76.4	(73.9)
Cash and Bank Deposits at Beginning of Year	75.0	197.0
Cash and Bank Deposits at End of Period	$ 151.4	$ 123.1

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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 cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. 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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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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