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v3.22.1

Restricted Securities Available For Sale | 3 Months Ended
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Mar. 31, 2022
Investments, Debt and Equity Securities [Abstract] |
Schedule of Restricted Securities Available for Sale | Restricted securities available for sale consist of the following:
(In millions) | As of March 31, 2022
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Corporate bonds | $ | 30.4 |  |  | $ | — |  |  | $ | (1.1) |  |  | $ | 29.3 |
U.S. Government and agency securities | 22.8 |  |  | — |  |  | (0.7) |  |  | 22.1 |
Asset-backed securities | 9.9 |  |  | — |  |  | (0.2) |  |  | 9.7 |
Commercial paper | 1.0 |  |  | — |  |  | — |  |  | 1.0 |
Mortgage-backed securities | 0.3 |  |  | — |  |  | — |  |  | 0.3 |
Total restricted securities available for sale | $ | 64.4 |  |  | $ | — |  |  | $ | (2.0) |  |  | $ | 62.4 |
(In millions) | As of December 31, 2021
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Corporate bonds | $ | 27.3 |  |  | $ | 0.3 |  |  | $ | (0.2) |  |  | $ | 27.4 |
U.S. Government and agency securities | 21.5 |  |  | 0.2 |  |  | (0.1) |  |  | 21.6 |
Asset-backed securities | 12.9 |  |  | — |  |  | (0.1) |  |  | 12.8 |
Mortgage-backed securities | 0.3 |  |  | — |  |  | — |  |  | 0.3 |
Total restricted securities available for sale | $ | 62.0 |  |  | $ | 0.5 |  |  | $ | (0.4) |  |  | $ | 62.1 |
Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value | The fair value and gross unrealized losses for restricted securities available for sale, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, are as follows:
(In millions) | Securities Available for Sale with Gross Unrealized Losses as of March 31, 2022
| Less than 12 Months |  | 12 Months or More |  |  |  |
| Estimated Fair Value |  | Gross Unrealized Losses |  | Estimated Fair Value |  | Gross Unrealized Losses |  | Total Estimated Fair Value |  | Total Gross Unrealized Losses
Corporate bonds | $ | 21.2 |  |  | $ | (0.7) |  |  | $ | 4.6 |  |  | $ | (0.4) |  |  | $ | 25.8 |  |  | $ | (1.1) |
U.S. Government and agency securities | 19.2 |  |  | (0.7) |  |  | — |  |  | — |  |  | 19.2 |  |  | (0.7) |
Asset-backed securities | 8.3 |  |  | (0.2) |  |  | — |  |  | — |  |  | 8.3 |  |  | (0.2) |
Commercial paper | 1.0 |  |  | — |  |  | — |  |  | — |  |  | 1.0 |  |  | — |
Mortgage-backed securities | 0.3 |  |  | — |  |  | — |  |  | — |  |  | 0.3 |  |  | — |
Total restricted securities available for sale | $ | 50.0 |  |  | $ | (1.6) |  |  | $ | 4.6 |  |  | $ | (0.4) |  |  | $ | 54.6 |  |  | $ | (2.0) |
(In millions) | Securities Available for Sale with Gross Unrealized Losses as of December 31, 2021
| Less than 12 Months |  | 12 Months or More |  |  |  |
| Estimated Fair Value |  | Gross Unrealized Losses |  | Estimated Fair Value |  | Gross Unrealized Losses |  | Total Estimated Fair Value |  | Total Gross Unrealized Losses
Corporate bonds | $ | 15.0 |  |  | $ | (0.2) |  |  | $ | 1.3 |  |  | $ | — |  |  | $ | 16.3 |  |  | $ | (0.2) |
U.S. Government and agency securities | 10.1 |  |  | (0.1) |  |  | — |  |  | — |  |  | 10.1 |  |  | (0.1) |
Asset-backed securities | 8.4 |  |  | (0.1) |  |  | — |  |  | — |  |  | 8.4 |  |  | (0.1) |
Mortgage-backed securities | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total restricted securities available for sale | $ | 33.5 |  |  | $ | (0.4) |  |  | $ | 1.3 |  |  | $ | — |  |  | $ | 34.8 |  |  | $ | (0.4) |
Schedule of Cost and Estimated Fair Values of Debt Securities by Contractual Maturity | The cost and estimated fair values of debt securities by contractual maturity were as follows (securities with multiple maturity dates are classified in the period of final maturity). Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.
(In millions) |  | As of
|  | March 31, 2022 |  | December 31, 2021
Contractual Maturity |  | Amortized Cost |  | Estimated Fair Value |  | Amortized Cost |  | Estimated Fair Value
Within one year |  | $ | 6.9 |  |  | $ | 6.9 |  |  | $ | 2.9 |  |  | $ | 3.0 |
Over one year to five years |  | 55.6 |  |  | 53.8 |  |  | 56.9 |  |  | 57.0 |
Over five years to ten years |  | 1.8 |  |  | 1.6 |  |  | 2.1 |  |  | 2.0 |
Over ten years |  | 0.1 |  |  | 0.1 |  |  | 0.1 |  |  | 0.1 |
Total restricted securities available for sale |  | $ | 64.4 |  |  | $ | 62.4 |  |  | $ | 62.0 |  |  | $ | 62.1 |

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- Definition Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27290-111563 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455 + Details
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