FAIR VALUE DISCLOSURES - Fair Value Measurements on Recurring Basis (Detail) (USD $) | Sep. 30, 2014 | Jun. 30, 2014 |
In Thousands, unless otherwise specified |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | $17,586 | $17,817 |
Available-for-sale, fair value | 5,552 | 6,196 |
Total Investments Measured at Fair Value on a Recurring Basis | 23,100 | ' |
Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 17,586 | 17,817 |
Available-for-sale, fair value | 5,552 | 6,196 |
Total Investments Measured at Fair Value on a Recurring Basis | 23,138 | 24,013 |
Common stock - Domestic | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Available-for-sale, fair value | 1,098 | 1,118 |
Common stock - Domestic | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Available-for-sale, fair value | 1,098 | 1,118 |
Common stock - International | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Available-for-sale, fair value | 1,027 | 1,409 |
Common stock - International | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Available-for-sale, fair value | 1,027 | 1,409 |
Corporate debt | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Available-for-sale, fair value | 1,419 | 1,632 |
Corporate debt | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Available-for-sale, fair value | 1,419 | 1,632 |
Offshore fund | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 794 | 998 |
Offshore fund | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 794 | 998 |
Mutual funds - Fixed income | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 16,318 | 16,333 |
Available-for-sale, fair value | 1,231 | 1,247 |
Mutual funds - Fixed income | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 16,319 | 16,333 |
Available-for-sale, fair value | 1,231 | 1,247 |
Mutual funds - Domestic equity | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 450 | 459 |
Available-for-sale, fair value | 548 | 550 |
Mutual funds - Domestic equity | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 450 | 459 |
Available-for-sale, fair value | 548 | 550 |
Other | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 24 | 27 |
Available-for-sale, fair value | 229 | 240 |
Other | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 23 | 27 |
Available-for-sale, fair value | 229 | 240 |
Quoted Prices (Level 1) | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 16,792 | 16,819 |
Available-for-sale, fair value | 4,322 | 4,853 |
Total Investments Measured at Fair Value on a Recurring Basis | 21,114 | 21,672 |
Quoted Prices (Level 1) | Common stock - Domestic | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Available-for-sale, fair value | 1,098 | 1,118 |
Quoted Prices (Level 1) | Common stock - International | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Available-for-sale, fair value | 1,024 | 1,406 |
Quoted Prices (Level 1) | Corporate debt | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Available-for-sale, fair value | 192 | 292 |
Quoted Prices (Level 1) | Offshore fund | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 0 | 0 |
Quoted Prices (Level 1) | Mutual funds - Fixed income | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 16,319 | 16,333 |
Available-for-sale, fair value | 1,231 | 1,247 |
Quoted Prices (Level 1) | Mutual funds - Domestic equity | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 450 | 459 |
Available-for-sale, fair value | 548 | 550 |
Quoted Prices (Level 1) | Other | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 23 | 27 |
Available-for-sale, fair value | 229 | 240 |
Significant Other Inputs (Level 2) | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 794 | 998 |
Available-for-sale, fair value | 980 | 1,093 |
Total Investments Measured at Fair Value on a Recurring Basis | 1,774 | 2,091 |
Significant Other Inputs (Level 2) | Common stock - Domestic | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Available-for-sale, fair value | 0 | 0 |
Significant Other Inputs (Level 2) | Common stock - International | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Available-for-sale, fair value | 3 | 3 |
Significant Other Inputs (Level 2) | Corporate debt | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Available-for-sale, fair value | 977 | 1,090 |
Significant Other Inputs (Level 2) | Offshore fund | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 794 | 998 |
Significant Other Inputs (Level 2) | Mutual funds - Fixed income | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 0 | 0 |
Available-for-sale, fair value | 0 | 0 |
Significant Other Inputs (Level 2) | Mutual funds - Domestic equity | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 0 | 0 |
Available-for-sale, fair value | 0 | 0 |
Significant Other Inputs (Level 2) | Other | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 0 | 0 |
Available-for-sale, fair value | 0 | 0 |
Significant Unobservable Inputs (Level 3) | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 0 | 0 |
Available-for-sale, fair value | 250 | 250 |
Total Investments Measured at Fair Value on a Recurring Basis | 250 | 250 |
Significant Unobservable Inputs (Level 3) | Common stock - Domestic | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Available-for-sale, fair value | 0 | 0 |
Significant Unobservable Inputs (Level 3) | Common stock - International | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Available-for-sale, fair value | 0 | 0 |
Significant Unobservable Inputs (Level 3) | Corporate debt | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Available-for-sale, fair value | 250 | 250 |
Significant Unobservable Inputs (Level 3) | Offshore fund | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 0 | 0 |
Significant Unobservable Inputs (Level 3) | Mutual funds - Fixed income | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 0 | 0 |
Available-for-sale, fair value | 0 | 0 |
Significant Unobservable Inputs (Level 3) | Mutual funds - Domestic equity | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 0 | 0 |
Available-for-sale, fair value | 0 | 0 |
Significant Unobservable Inputs (Level 3) | Other | Recurring basis | ' | ' |
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ' | ' |
Trading securities, at fair value | 0 | 0 |
Available-for-sale, fair value | $0 | $0 |