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INVESTMENTS - Summary of Gross Unrealized Losses and Fair Values of Available-For-Sale Investment Securities (Detail) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Jun. 30, 2014
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Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value | $ 1,695 | $ 1,776
Available-for-sale securities, continuous unrealized loss position, less than 12 months, gross unrealized loss | (313) | (80)
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, fair value | 0 | 0
Available-for-sale securities, continuous unrealized loss position, 12 months or longer, gross unrealized loss | 0 | 0
Available-for-sale securities, continuous unrealized loss position, fair value, total | 1,695 | 1,776
Available-for-sale securities, continuous unrealized loss position, gross unrealized losses, total | (313) | (80)
Common stock - Domestic |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value | 106 | 125
Available-for-sale securities, continuous unrealized loss position, less than 12 months, gross unrealized loss | (3) | (3)
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, fair value | 0 | 0
Available-for-sale securities, continuous unrealized loss position, 12 months or longer, gross unrealized loss | 0 | 0
Available-for-sale securities, continuous unrealized loss position, fair value, total | 106 | 125
Available-for-sale securities, continuous unrealized loss position, gross unrealized losses, total | (3) | (3)
Common stock - International |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value | 140 |
Available-for-sale securities, continuous unrealized loss position, less than 12 months, gross unrealized loss | (8) |
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, fair value | 0 |
Available-for-sale securities, continuous unrealized loss position, 12 months or longer, gross unrealized loss | 0 |
Available-for-sale securities, continuous unrealized loss position, fair value, total | 140 |
Available-for-sale securities, continuous unrealized loss position, gross unrealized losses, total | (8) |
Corporate debt |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value | 1,168 | 1,382
Available-for-sale securities, continuous unrealized loss position, less than 12 months, gross unrealized loss | (287) | (74)
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, fair value | 0 | 0
Available-for-sale securities, continuous unrealized loss position, 12 months or longer, gross unrealized loss | 0 | 0
Available-for-sale securities, continuous unrealized loss position, fair value, total | 1,168 | 1,382
Available-for-sale securities, continuous unrealized loss position, gross unrealized losses, total | (287) | (74)
Mutual funds - Fixed income |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value | 218 | 151
Available-for-sale securities, continuous unrealized loss position, less than 12 months, gross unrealized loss | (11) | (2)
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, fair value | 0 | 0
Available-for-sale securities, continuous unrealized loss position, 12 months or longer, gross unrealized loss | 0 | 0
Available-for-sale securities, continuous unrealized loss position, fair value, total | 218 | 151
Available-for-sale securities, continuous unrealized loss position, gross unrealized losses, total | (11) | (2)
Other |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value | 63 | 118
Available-for-sale securities, continuous unrealized loss position, less than 12 months, gross unrealized loss | (4) | (1)
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, fair value | 0 | 0
Available-for-sale securities, continuous unrealized loss position, 12 months or longer, gross unrealized loss | 0 | 0
Available-for-sale securities, continuous unrealized loss position, fair value, total | 63 | 118
Available-for-sale securities, continuous unrealized loss position, gross unrealized losses, total | $ (4) | $ (1)

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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
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- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
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