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Investments - Investment Activity (Details) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2014 | Jun. 30, 2013
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Schedule of Trading Securities and Available-for-Sale Securities [Line Items] |  |  |  |
Trading, cost | $ 18,067 | [1] | $ 5,458 | [1]
Trading, gross unrealized gain | 92 | [1] | 75 | [1]
Trading, gross unrealized (losses) | (342) | [1] | (775) | [1]
Trading, fair value | 17,817 | [1] | 4,758 | [1]
Available-for-sale, cost | 4,851 | [2],[3] | 8,065 | [2],[3]
Available-for-sale, gross unrealized gains | 1,425 | [2],[3] | 1,289 | [2],[3]
Available-for-sale, gross unrealized (losses) | (80) | [2],[3] | (301) | [2],[3]
Available-for-sale securities, fair value | 6,196 | [2],[3] | 9,053 | [2],[3]
Available-for-sale securities, gross unrealized gain (loss) | 1,345 |  | 988 |
Available-for-sale securities, net unrealized gain (loss) | 888 |  | 652 |
Common stock - Domestic [Member] |  |  |  |
Schedule of Trading Securities and Available-for-Sale Securities [Line Items] |  |  |  |
Available-for-sale, cost | 535 | [3] | 266 | [3]
Available-for-sale, gross unrealized gains | 586 | [3] | 313 | [3]
Available-for-sale, gross unrealized (losses) | (3) | [3] | 0 | [3]
Available-for-sale securities, fair value | 1,118 | [3] | 579 | [3]
Common stock - International [Member] |  |  |  |
Schedule of Trading Securities and Available-for-Sale Securities [Line Items] |  |  |  |
Available-for-sale, cost | 607 | [3] | 604 | [3]
Available-for-sale, gross unrealized gains | 802 | [3] | 216 | [3]
Available-for-sale, gross unrealized (losses) | 0 | [3] | (5) | [3]
Available-for-sale securities, fair value | 1,409 | [3] | 815 | [3]
Offshore fund [Member] |  |  |  |
Schedule of Trading Securities and Available-for-Sale Securities [Line Items] |  |  |  |
Trading, cost | 1,184 | [1] | 1,184 | [1]
Trading, gross unrealized gain | 0 | [1] | 0 | [1]
Trading, gross unrealized (losses) | (186) | [1] | (398) | [1]
Trading, fair value | 998 | [1] | 786 | [1]
Available-for-sale, cost |  |  | 5,000 | [3]
Available-for-sale, gross unrealized gains |  |  | 0 | [3]
Available-for-sale, gross unrealized (losses) |  |  | (288) | [3]
Available-for-sale securities, fair value |  |  | 4,712 | [3]
Mutual funds - International equity [Member] |  |  |  |
Schedule of Trading Securities and Available-for-Sale Securities [Line Items] |  |  |  |
Trading, cost |  |  | 516 | [1]
Trading, gross unrealized gain |  |  | 0 | [1]
Trading, gross unrealized (losses) |  |  | (156) | [1]
Trading, fair value |  |  | 360 | [1]
Mutual funds - Fixed income [Member] |  |  |  |
Schedule of Trading Securities and Available-for-Sale Securities [Line Items] |  |  |  |
Trading, cost | 16,241 | [1] | 3,116 | [1]
Trading, gross unrealized gain | 92 | [1] | 75 | [1]
Trading, gross unrealized (losses) | 0 | [1] | 0 | [1]
Trading, fair value | 16,333 | [1] | 3,191 | [1]
Available-for-sale, cost | 1,228 | [3] | 1,000 | [3]
Available-for-sale, gross unrealized gains | 21 | [3] | 4 | [3]
Available-for-sale, gross unrealized (losses) | (2) | [3] | 0 | [3]
Available-for-sale securities, fair value | 1,247 | [3] | 1,004 | [3]
Mutual funds - Domestic equity [Member] |  |  |  |
Schedule of Trading Securities and Available-for-Sale Securities [Line Items] |  |  |  |
Trading, cost | 535 | [1] | 535 | [1]
Trading, gross unrealized gain | 0 | [1] | 0 | [1]
Trading, gross unrealized (losses) | (76) | [1] | (136) | [1]
Trading, fair value | 459 | [1] | 399 | [1]
Available-for-sale, cost | 543 | [3] | 1,010 | [3]
Available-for-sale, gross unrealized gains | 7 | [3] | 756 | [3]
Available-for-sale, gross unrealized (losses) | 0 | [3] | 0 | [3]
Available-for-sale securities, fair value | 550 | [3] | 1,766 | [3]
Corporate debt [Member] |  |  |  |
Schedule of Trading Securities and Available-for-Sale Securities [Line Items] |  |  |  |
Available-for-sale, cost | 1,706 | [3] |  |
Available-for-sale, gross unrealized gains | 0 | [3] |  |
Available-for-sale, gross unrealized (losses) | (74) | [3] |  |
Available-for-sale securities, fair value | 1,632 | [3] |  |
Other [Member] |  |  |  |
Schedule of Trading Securities and Available-for-Sale Securities [Line Items] |  |  |  |
Trading, cost | 107 | [1] | 107 | [1]
Trading, gross unrealized gain | 0 | [1] | 0 | [1]
Trading, gross unrealized (losses) | (80) | [1] | (85) | [1]
Trading, fair value | 27 | [1] | 22 | [1]
Available-for-sale, cost | 232 | [3] | 185 | [3]
Available-for-sale, gross unrealized gains | 9 | [3] | 0 | [3]
Available-for-sale, gross unrealized (losses) | (1) | [3] | (8) | [3]
Available-for-sale securities, fair value | $ 240 | [3] | $ 177 | [3]
[1] | Unrealized and realized gains and losses on trading securities are included in earnings in the statement of operations.
[2] | Net unrealized gains on available-for-sale securities gross and net of tax as of June 30, 2014, are $1,345 and $888, respectively, and as of June 30, 2013, are $988 and $652, respectively.
[3] | Unrealized gains and losses on available-for-sale securities are excluded from earnings and recorded in other comprehensive income (loss) as a separate component of shareholders’ equity until realized.

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