XML 47 R32.htm IDEA: XBRL DOCUMENT
v3.20.4

Cash and Marketable Securities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Cash and Cash Equivalents [Abstract] |
Schedule of Investment Components | The components of our investments as of December 31, 2020 are as follows (in millions):
| Cash & Cash Equivalents |  | Restricted Cash |  | Restricted Marketable Securities |  | Total
Cash | $ | 224.0 |  |  | $ | 86.9 |  |  | $ | — |  |  | $ | 310.9 |
Equity securities | — |  |  | — |  |  | 72.6 |  |  | 72.6 |
Total | $ | 224.0 |  |  | $ | 86.9 |  |  | $ | 72.6 |  |  | $ | 383.5 |
The components of our investments as of December 31, 2019 are as follows (in millions):
| Cash & Cash Equivalents |  | Restricted Cash |  | Restricted Marketable Securities |  | Total
Cash | $ | 94.8 |  |  | $ | 64.8 |  |  | $ | — |  |  | $ | 159.6 |
Equity securities | — |  |  | — |  |  | 63.5 |  |  | 63.5 |
Debt securities | — |  |  | — |  |  | 12.6 |  |  | 12.6 |
Total | $ | 94.8 |  |  | $ | 64.8 |  |  | $ | 76.1 |  |  | $ | 235.7 |
Schedule of Restricted Cash | As of December 31, 2020 and 2019, Restricted cash consisted of the following (in millions):
| As of December 31,
| 2020 |  | 2019
Current: |  |  |
Affiliate cash | $ | 17.5 |  |  | $ | 16.0 |
Self-insured captive funds | 47.9 |  |  | 41.4 |
| 65.4 |  |  | 57.4 |
Noncurrent: |  |  |
Self-insured captive funds | 21.5 |  |  | 7.4 |
Total restricted cash | $ | 86.9 |  |  | $ | 64.8 |
Available-for-sale Securities Cost to Fair Value Reconciliation | A summary of our available-for-sale marketable securities as of December 31, 2019 is as follows (in millions):
| Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Debt securities | $ | 12.6 |  |  | $ | — |  |  | $ | — |  |  | $ | 12.6 |
Investment Information Related to Restricted Marketable Securities | Investing information related to our available-for-sale marketable securities is as follows (in millions):
| For the Year Ended December 31,
| 2020 |  | 2019 |  | 2018
Proceeds from sales and maturities of available-for-sale marketable securities | $ | 12.6 |  |  | $ | 6.4 |  |  | $ | — |

X
- References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashCashEquivalentsAndShortTermInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27357-111563 + Details
Name: | us-gaap_ScheduleOfRealizedGainLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of cash and cash equivalents restricted as to withdrawal or usage. + References Reference 1: 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(1)(a)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=121583591&loc=SL98516268-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(2)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 4: 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 + Details
Name: | us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration