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CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions | 6 Months Ended
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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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