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Supplemental Disclosures of Cash Flow Information | 12 Months Ended
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Dec. 31, 2022
Cash and Cash Equivalents [Abstract] |
Supplemental Disclosures of Cash Flow Information | 20. Supplemental Disclosures of Cash Flow Information
|  | Year ended December 31, |
Supplemental disclosures of cash flow information (in millions): |  | 2022 |  |  | 2021 |  |  | 2020 |
Interest paid |  | $ | 240.2 |  |  | $ | 215.7 |  |  | $ | 188.9 |
Income taxes paid, net |  |  | 317.6 |  |  |  | 325.4 |  |  |  | 113.0 |
Income taxes paid in the table above were net of AMT credits and $(28.5) million in 2021 due to the CARES Act, $(20.0) million in 2020 due to similar temporary relief measures available globally. The 2021 income taxes paid amount was unfavorably impacted due to payment of the $20.0 million of 2020 tax-payment deferrals (as noted in the previous sentence) and also approximately $106.0 million of tax payments made in 2021 with regards to tax method changes filed with our 2020 tax returns in the fourth quarter of 2021. Those U.S. federal method changes also affected our 2022 and 2021 estimated tax payments. Also in 2022, we elected to defer the utiliza tion of 2021 and 2022 net operating losses in the U.K. causing additional cash tax payments of $28.4 million relating to 2021 and $49.0 million relating to 2022. Both the U.S. and U.K. payments would have been made in future periods, and do not represent additional taxes due. The following is a reconciliation of our end of period cash, cash equivalents and restricted cash balances as presented in the consolidated statement of cash flows for the years ended December 31, 2022, 2021 and 2020 (in millions):
|  | December 31, |
|  | 2022 |  |  | 2021 |  |  | 2020 |
Cash and cash equivalents |  | $ | 342.3 |  |  | $ | 402.6 |  |  | $ | 664.6 |
Restricted cash |  |  | 4,621.9 |  |  |  | 4,063.7 |  |  |  | 2,909.7 |
Total cash, cash equivalents and restricted cash |  | $ | 4,964.2 |  |  | $ | 4,466.3 |  |  | $ | 3,574.3 |
We have a qualified contributory savings and thrift 401(k) plan covering the majority of our domestic employees. For eligible employees who have met the plan’s age and service requirements to receive matching contributions, we historically have matched 100% of pre-tax and Roth elective deferrals up to a maximum of 5.0% of eligible compensation, subject to federal limits on plan contributions and not in excess of the maximum amount deductible for federal income tax purposes. Beginning in 2021, the amount matched by the company will be discretionary and annually determined by management. Employees must be employed and eligible for the plan on the last day of the plan year to receive a matching contribution, subject to certain exceptions enumerated in the plan document. Matching contributions are subject to a five-year graduated vesting schedule and can be funded in cash or company stock. We expensed (net of plan forfeitures) $73.8 million, $65.7 million and $63.6 million related to the plan in 2022, 2021 and 2020, respectively. During 2021, our board of directors authorized the 5.0% employer matching contributions on eligible compensation to the 401(k) plan for the 2021 plan year to be funded with our common stock, which was funded in February 2022. During 2022, our board of directors authorized the 5.0% employer matching contributions on eligible compensation to the 401(k) plan for the 2022 plan year to be funded with our with our common stock, which is expected to be funded in February 2023.

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- Definition The entire disclosure for cash and cash equivalent footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) 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. Generally, only investments maturing within three months from the date of acquisition qualify. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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