PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS, RECONCILIATION OF FAIR VALUE MEASUREMENTS USING SIGNIFICANT UNOBSERVABLE INPUTS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014		Jun. 30, 2013
Actual return on plan assets [Abstract]
Fair value of assets, end of year	$ 102,495		$ 94,723
Level III [Member]
Actual return on plan assets [Abstract]
Fair value of assets, end of year	21,029		21,984
Annuity Contracts [Member]
Actual return on plan assets [Abstract]
Fair value of assets, end of year	6,340	[1]	5,819	[1]
Annuity Contracts [Member] | Level III [Member]
Defined benefit plan reconciliation of fair value measurements (Level III) [Abstract]
Fair value of assets, beginning of year	5,819	[1]	5,333
Actual return on plan assets [Abstract]
Relating to assets still held at reporting date	433		298
Relating to assets sold during the period	0		0
Purchases, sales and settlements, net	88		188
Transfers in and/or out of Level III	0		0
Fair value of assets, end of year	6,340	[1]	5,819	[1]
Real Estate [Member]
Actual return on plan assets [Abstract]
Fair value of assets, end of year	11,206	[2]	8,697	[2]
Real Estate [Member] | Level III [Member]
Defined benefit plan reconciliation of fair value measurements (Level III) [Abstract]
Fair value of assets, beginning of year	3,012	[2]	5,324
Actual return on plan assets [Abstract]
Relating to assets still held at reporting date	0		391
Relating to assets sold during the period	257		0
Purchases, sales and settlements, net	(3,269)		(2,518)
Transfers in and/or out of Level III	0		(185)
Fair value of assets, end of year	0	[2]	3,012	[2]
Other [Member]
Actual return on plan assets [Abstract]
Fair value of assets, end of year	14,689	[3]	13,153	[3]
Other [Member] | Level III [Member]
Defined benefit plan reconciliation of fair value measurements (Level III) [Abstract]
Fair value of assets, beginning of year	13,153	[3]	11,988
Actual return on plan assets [Abstract]
Relating to assets still held at reporting date	1,536		1,165
Relating to assets sold during the period	0		0
Purchases, sales and settlements, net	0		0
Transfers in and/or out of Level III	0		0
Fair value of assets, end of year	$ 14,689	[3]	$ 13,153	[3]

[1] Annuity contracts represent contractual agreements in which payments are made to an insurance company, which agrees to pay out an income or lump sum amount at a later date. Annuity contracts are valued at the net present value of future cash flows.

[2] Real estate investments invested in common collective trusts and other mutual funds holding real estate investments. They are valued at the net asset value ("NAV") as determined by the custodian of the fund. The NAV is based on the fair value of the underlying assets owned by the fund, minus its liabilities, divided by the number of units outstanding. Level 2 investments represent funds where regular opportunities exist for the Company to sell the holdings, whereas Level 3 investments represent funds where less frequent opportunities exist during the year for the Company to sell it's holding in the funds.

[3] Other consists of hedged equity mutual funds. These investments are valued at the net asset value ("NAV") as determined by the custodian of the fund. The NAV is based on the fair value of the underlying assets owned by the fund, minus its liabilities, divided by the number of units outstanding.