XML 42 R26.htm IDEA: XBRL DOCUMENT
v3.20.2

Marketable Investment Securities (Tables) | 3 Months Ended
--- | ---
Sep. 30, 2020
Investments, Debt and Equity Securities [Abstract] |
Schedule of Fair Value for Available-for-Sale Securities by Major Security Type and Class of Security | The amortized cost, gross unrealized holding gains, gross unrealized holding losses, and fair value for available-for-sale securities by major security type and class of security at September 30, 2020 and June 30, 2020 were as follows:
| Amortized cost |  | Gross unrealized holding gains |  | Gross unrealized holding losses |  | Estimated fair value
At September 30, 2020: |  |  |  |  |  |  |
Cash and cash equivalents: |  |  |  |  |  |  |
Cash | $ | 68.3 |  |  | $ | — |  |  | $ | — |  |  | $ | 68.3 |
Cash equivalents | 50.0 |  |  | — |  |  | — |  |  | $ | 50.0 |
Total cash and cash equivalents | 118.3 |  |  | — |  |  | — |  |  | 118.3 |
Available-for-sale: |  |  |  |  |  |  |
Corporate bonds and notes | 40.5 |  |  | 0.6 |  |  | — |  |  | 41.1 |
Municipal bonds | 12.6 |  |  | 0.2 |  |  | — |  |  | 12.8 |
Federal agency issues | 4.0 |  |  | 0.1 |  |  | — |  |  | 4.1 |
US government securities | 14.2 |  |  | 0.1 |  |  | — |  |  | 14.3 |
Total | $ | 189.6 |  |  | $ | 1.0 |  |  | $ | — |  |  | $ | 190.6 |
| Amortized cost |  | Gross unrealized holding gains |  | Gross unrealized holding losses |  | Estimated fair value
At June 30, 2020: |  |  |  |  |  |  |
Cash and cash equivalents: |  |  |  |  |  |  |
Cash | $ | 132.8 |  |  | $ | — |  |  | $ | — |  |  | $ | 132.8 |
Cash equivalents | 30.9 |  |  | — |  |  | — |  |  | 30.9 |
Total cash and cash equivalents | 163.7 |  |  | — |  |  | — |  |  | 163.7 |
Available-for-sale: |  |  |  |  |  |  |
Corporate bonds and notes | 50.1 |  |  | 0.8 |  |  | — |  |  | 50.9 |
Municipal bonds | 17.8 |  |  | 0.2 |  |  | — |  |  | 18.0 |
Federal agency issues | 5.5 |  |  | 0.1 |  |  | — |  |  | 5.6 |
US government securities | 16.4 |  |  | 0.2 |  |  | — |  |  | 16.6 |
Total | $ | 253.5 |  |  | $ | 1.3 |  |  | $ | — |  |  | $ | 254.8 |
Schedule of Cash, Cash Equivalents, and Maturities of Debt Securities Classified as Available-For-Sale Securities | Cash, cash equivalents, and maturities of debt securities classified as available-for-sale securities are as follows at September 30, 2020:
| Amortized cost |  | Estimated fair value
Cash | $ | 68.3 |  |  | $ | 68.3 |
Cash equivalents | 50.0 |  |  | 50.0 |
Available-for-sale: |  |  |
Due within one year | 41.8 |  |  | 42.1 |
Due after one year through five years | 29.5 |  |  | 30.2 |
Due after five years | — |  |  | — |
Total | $ | 189.6 |  |  | $ | 190.6 |

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
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