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Marketable Investment Securities (Tables) | 3 Months Ended
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Sep. 30, 2014
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, 2014 and June 30, 2014 were as follows:
|  |  |  |  | Gross |  |  | Gross |  |  |  |
|  |  |  |  | unrealized |  |  | unrealized |  |  |  |
|  | Amortized |  |  | holding |  |  | holding |  |  | Estimated |
(In thousands) |  | cost |  |  | gains |  |  | losses |  |  | fair value |
At September 30, 2014: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash |  | $ | 63,238 |  |  | $ | — |  |  | $ | — |  |  | $ | 63,238 |
Cash equivalents |  |  | 6,565 |  |  |  | — |  |  |  | — |  |  |  | 6,565 |
Restricted cash |  |  | 22,674 |  |  |  | — |  |  |  | — |  |  |  | 22,674 |
Total cash , cash equivalents and restricted cash |  |  | 92,477 |  |  |  | — |  |  |  | — |  |  |  | 92,477 |
Available-for-sale securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds and notes |  |  | 43,157 |  |  |  | 21 |  |  |  | (18 | ) |  |  | 43,160 |
Municipal bonds |  |  | 85,412 |  |  |  | 225 |  |  |  | (3 | ) |  |  | 85,634 |
Federal agency issues |  |  | 15,081 |  |  |  | 8 |  |  |  | (3 | ) |  |  | 15,086 |
Total available-for-sale securities |  |  | 143,650 |  |  |  | 254 |  |  |  | (24 | ) |  |  | 143,880 |
Total cash, cash equivalents and available-for-sale securities |  | $ | 236,127 |  |  | $ | 254 |  |  | $ | (24 | ) |  | $ | 236,357 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
|  |  |  |  | unrealized |  |  | unrealized |  |  |  |
|  | Amortized |  |  | holding |  |  | holding |  |  | Estimated |
(In thousands) |  | cost |  |  | gains |  |  | losses |  |  | fair value |
At June 30, 2014: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash |  | $ | 45,181 |  |  | $ | — |  |  | $ | — |  |  | $ | 45,181 |
Cash equivalents |  |  | 19,639 |  |  |  | 1 |  |  |  | — |  |  |  | 19,640 |
Total cash and cash equivalents |  |  | 64,820 |  |  |  | 1 |  |  |  | — |  |  |  | 64,821 |
Available-for-sale securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds and notes |  |  | 44,449 |  |  |  | 36 |  |  |  | (11 | ) |  |  | 44,474 |
Municipal bonds |  |  | 137,821 |  |  |  | 334 |  |  |  | (3 | ) |  |  | 138,152 |
Federal agency issues |  |  | 23,134 |  |  |  | 12 |  |  |  | (7 | ) |  |  | 23,139 |
Total available-for-sale securities |  |  | 205,404 |  |  |  | 382 |  |  |  | (21 | ) |  |  | 205,765 |
Total cash, cash equivalents and available-for-sale securities |  | $ | 270,224 |  |  | $ | 383 |  |  | $ | (21 | ) |  | $ | 270,586 |
Schedule of Maturities of Debt Securities Classified as Cash Equivalents and Available-For-Sale | Cash, cash equivalents, restricted cash, and maturities of debt securities classified as available-for-sale securities are as follows at September 30, 2014:
|  | Amortized |  |  | Estimated |
(In thousands) |  | cost |  |  | fair value |
Cash |  | $ | 63,238 |  |  | $ | 63,238 |
Cash equivalents |  |  | 6,565 |  |  |  | 6,565 |
Restricted cash |  |  | 22,674 |  |  |  | 22,674 |
Available-for-sale: |  |  |  |  |  |  |  |
Due within one year |  |  | 89,722 |  |  |  | 89,807 |
Due after one year through five years |  |  | 53,928 |  |  |  | 54,073 |
Due after five years |  |  | — |  |  |  | — |
|  | $ | 236,127 |  |  | $ | 236,357 |

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