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Schedule I - Condensed Financial Information of the Registrant - Condensed Statements of Cash Flow (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Cash flows from operating activities |  |  |
Net cash provided by/(used in) operating activities | $ 581.6 | $ 1,045.3 | $ 877.5
Cash flows from investing activities |  |  |
Purchases of property and equipment | (31.9) | (37.7) | (36.5)
Proceeds from the sale of former corporate headquarters (Note 4) |  |  | 49.4
Proceeds from the sale of noncontrolling interest in a private company (Note 5) |  | 50.9 |
Proceeds from divestitures of businesses, net of cash divested (Note 4) | 887.2 |  |
Other investing activities | 17.5 | 3.7 | (6.0)
Net cash (used in)/provided by investing activities | 525.5 | 192.0 | (373.5)
Cash flows from financing activities |  |  |
Net proceeds from/(repayments of) commercial paper | (95.0) | 195.0 | (165.0)
Net proceeds from issuance of borrowings |  | 891.7 |
Principal payments on borrowings | (300.0) | (1,150.0) |
Proceeds from exercise of options | 9.5 | 11.6 | 2.2
Cash dividends and dividend equivalents paid (Note 14) | (364.2) | (381.6) | (370.3)
Common stock repurchased | (369.9) | (409.9) | (239.7)
Make-whole premium on early extinguishment of debt |  | (14.3) |
Other financing activities | (1.3) | 0.2 | (0.7)
Net cash used in financing activities | (1,177.3) | (1,269.5) | (185.9)
Net change in cash and cash equivalents, including settlement, and restricted cash | (70.2) | (32.2) | 318.1
Supplemental cash flow information: |  |  |
Cash paid for lease liabilities | 40.5 | 46.5 | 65.9
Non-cash lease liabilities arising from obtaining right-of-use assets (Note 6) | 12.4 | 18.5 | 38.6
Parent Company | Reportable Legal Entities |  |  |
Cash flows from operating activities |  |  |
Net cash provided by/(used in) operating activities | (108.3) | 510.4 | (79.0)
Cash flows from investing activities |  |  |
Purchases of property and equipment | (1.7) | (0.5) | (1.0)
Proceeds from the sale of former corporate headquarters (Note 4) |  |  | 43.6
Proceeds from the sale of noncontrolling interest in a private company (Note 5) |  | 50.9 |
Purchases of non-settlement investments | (400.0) |  |
Proceeds from the sale of non-settlement investments | 300.0 |  |
Proceeds from divestitures of businesses, net of cash divested (Note 4) | 887.2 |  |
Distributions received from/(capital contributed to) subsidiaries, net | 424.6 | 6.5 | (329.4)
Other investing activities | (1.7) | 0.5 | (2.1)
Net cash (used in)/provided by investing activities | 1,211.8 | 57.4 | (288.9)
Cash flows from financing activities |  |  |
Advances from subsidiaries, net | 15.6 | 289.5 | 1,139.5
Net proceeds from/(repayments of) commercial paper | (95.0) | 195.0 | (165.0)
Net proceeds from issuance of borrowings |  | 891.7 |
Principal payments on borrowings | (300.0) | (1,150.0) |
Proceeds from exercise of options | 9.5 | 11.6 | 2.2
Cash dividends and dividend equivalents paid (Note 14) | (364.2) | (381.6) | (370.3)
Common stock repurchased | (369.9) | (409.9) | (239.7)
Make-whole premium on early extinguishment of debt |  | (14.3) |
Other financing activities |  | 0.2 | (0.7)
Net cash used in financing activities | (1,104.0) | (567.8) | 366.0
Net change in cash and cash equivalents, including settlement, and restricted cash | (0.5) |  | (1.9)
Cash and cash equivalents, including settlement, and restricted cash at beginning of period | 2.1 | 2.1 | 4.0
Cash and cash equivalents, including settlement, and restricted cash at end of period | 1.6 | 2.1 | 2.1
Supplemental cash flow information: |  |  |
Non-cash financing activity, distribution of note from subsidiary (Note 3) | 325.0 | 556.1 | 1,364.4
Cash paid for lease liabilities | $ 15.3 | 14.6 | 20.7
Non-cash lease liabilities arising from obtaining right-of-use assets (Note 6) |  | $ 0.9 | $ 1.5

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