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v3.21.1

Fair Value Measurements - Additional Information (Details) - USD ($) $ in Millions | 1 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2021 | Dec. 31, 2020
Financial Instruments Measured at Fair Value on a Recurring Basis |  |  |
Cash and cash equivalents and short-term investments |  | $ 2,200.0 | $ 2,300.0
Restricted cash and cash equivalents and restricted short-term investments |  | 1,100.0 | 1,200.0
Payments to acquire equity method investments | $ 10.0 |  |
Cash and Cash Equivalents and Short-Term Investments |  |  |
Financial Instruments Measured at Fair Value on a Recurring Basis |  |  |
Cash |  | 44.2 | 133.6
Cash and Cash Equivalents and Short-Term Investments | Fair Value Measurements on Nonrecurring Basis |  |  |
Financial Instruments Measured at Fair Value on a Recurring Basis |  |  |
Cash |  | 44.2 | 133.6
Money market deposits |  | 180.0 | 174.3
Term deposits |  | 640.0 | 601.0
Restricted Cash and Cash Equivalents and Restricted Investments |  |  |
Financial Instruments Measured at Fair Value on a Recurring Basis |  |  |
Restricted cash |  | 57.0 | 53.8
Restricted Cash and Cash Equivalents and Restricted Investments | Fair Value Measurements on Nonrecurring Basis |  |  |
Financial Instruments Measured at Fair Value on a Recurring Basis |  |  |
Money market deposits |  |  | 0.2
Term deposits |  | 6.5 | 6.5
Restricted cash |  | $ 57.0 | $ 53.8

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118262064&loc=SL116631418-115840 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 45 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=118262064&loc=SL116631419-115840 + Details
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- Definition For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=117340910&loc=d3e59706-112781 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.2) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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