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Schedule II Condensed Financial Information of Registrant - Condensed Statements of Cash Flows (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Cash flows from operating activities |  |  |
Net income | $ 142.8 | $ 133.3 | $ 184.4
Changes in: |  |  |
Other operating assets and liabilities | 8.1 | 0.6 | 47.4
Other | 3.0 | 8.0 | 6.4
Net cash provided by operating activities | 204.9 | 259.8 | 127.6
Cash flows from investing activities |  |  |
Purchase of equity securities | (46.1) | (37.4) | (15.6)
Change in short-term and other investments, net | (19.0) | 12.1 | (49.3)
Acquisition of businesses | 0.0 | 0.0 | (421.5)
Net cash (used in) provided by investing activities | (302.0) | (406.8) | 55.9
Cash flows from financing activities |  |  |
Dividends paid to shareholders | (51.4) | (49.6) | (47.3)
Proceeds from exercise of stock options | 0.3 | 2.4 | 1.7
Withholding tax payments on RSUs tendered | (2.0) | (2.3) | (3.7)
Net cash provided by (used in) financing activities | 208.5 | 143.8 | (169.9)
Net increase (decrease) in cash | 111.4 | (3.2) | 13.6
Cash at beginning of year | 22.3 | 25.5 | 11.9
Cash at end of year | 133.7 | 22.3 | 25.5
Parent company |  |  |
Cash flows from operating activities |  |  |
Net income | 142.8 | 133.3 | 184.4
Equity in net earnings of subsidiaries | (162.5) | (148.7) | (205.4)
Dividends received from subsidiaries | 66.0 | 167.0 | 363.2
Changes in: |  |  |
Income taxes | 1.8 | 2.0 | 3.4
Other operating assets and liabilities | 8.4 | (5.9) | 8.3
Other | 4.1 | 1.7 | 0.7
Net cash provided by operating activities | 60.6 | 149.4 | 354.6
Cash flows from investing activities |  |  |
Purchase of equity securities | 0.0 | 1.0 | 0.0
Change in short-term and other investments, net | 2.7 | (1.5) | 3.3
Capital contributions to subsidiaries | (5.0) | (97.0) | 0.0
Acquisition of businesses | 0.0 | 0.0 | (444.1)
Net cash (used in) provided by investing activities | (2.3) | (97.5) | (440.8)
Cash flows from financing activities |  |  |
Dividends paid to shareholders | (51.4) | (49.6) | (47.3)
Principal borrowings on Bank Credit Facility | 114.0 | 0.0 | 135.0
Acquisition of treasury stock | (5.3) | (2.2) | 0.0
Proceeds from exercise of stock options | 0.3 | 2.4 | 1.7
Withholding tax payments on RSUs tendered | (2.0) | (2.3) | (3.7)
Net cash provided by (used in) financing activities | 55.6 | (51.7) | 85.7
Net increase (decrease) in cash | 113.9 | 0.2 | (0.5)
Cash at beginning of year | 0.3 | 0.1 | 0.6
Cash at end of year | $ 114.2 | $ 0.3 | $ 0.1

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