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INVESTMENTS IN EQUITY INVESTEES, EQUITY METHOD INVESTMENTS (Details) shares in Thousands, $ in Thousands |  | 3 Months Ended |
--- | --- | --- | ---
Sep. 29, 2015 USD ($) shares | Sep. 30, 2014 USD ($) Investor mi | Sep. 30, 2015 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |
Investments in equity investees |  |  | $ 153,010 | $ 132,002
PennEast [Member] |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Number of investors | Investor |  |  | 4 |
Construction plan, pipeline distance (in miles) | mi |  |  | 118 |
Ownership interest, percent |  |  |  | 20.00%
Investments in equity investees |  |  | $ 555 | $ 6,353
Iroquois [Member] |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership interest, percent |  |  | 5.53% | 5.53%
Investments in equity investees |  | $ 21,500 | $ 24,042 | $ 0
Dominion [Member] |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership interest exchanged (in shares) | shares |  | 1,840 |  |
Deferred gain |  | $ 24,600 |  |
Steckman Ridge [Member] |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership interest, percent |  |  |  | 50.00%
Investments in equity investees | [1] |  | 128,413 | $ 125,649
Steckman Ridge [Member] | Equity Method Investee [Member] |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Outstanding principal balance |  |  | $ 70,400 | $ 70,400
[1] | Includes loans with a total outstanding principal balance of $70.4 million for both fiscal 2015 and 2014, which accrue interest at a variable rate that resets quarterly and are due October 1, 2023.

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