PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS, PLAN ASSETS USING FAIR VALUE HIERARCHY (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2012
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	$ 102,495		$ 94,723
Level I [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	50,080		47,265
Level II [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	31,386		25,474
Level III [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	21,029		21,984
Real Estate [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	11,206	[1]	8,697	[1]
Real Estate [Member] | Level I [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	0	[1]	0	[1]
Real Estate [Member] | Level II [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	11,206	[1]	5,685	[1]
Real Estate [Member] | Level III [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	0	[1]	3,012	[1]	5,324
Cash and Cash Equivalents [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	965		2,376
Cash and Cash Equivalents [Member] | Level I [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	965		2,376
Cash and Cash Equivalents [Member] | Level II [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	0		0
Cash and Cash Equivalents [Member] | Level III [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	0		0
Fixed income [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	21,892	[2]	20,935	[2]
Fixed income [Member] | Level I [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	7,603	[2]	7,240	[2]
Fixed income [Member] | Level II [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	14,289	[2]	13,695	[2]
Fixed income [Member] | Level III [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	0	[2]	0	[2]
U.S. [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	30,727	[3]	28,334	[3]
U.S. [Member] | Level I [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	30,727	[3]	28,334	[3]
U.S. [Member] | Level II [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	0	[3]	0	[3]
U.S. [Member] | Level III [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	0	[3]	0	[3]
International [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	16,676	[4]	15,409	[4]
International [Member] | Level I [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	10,785	[4]	9,315	[4]
International [Member] | Level II [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	5,891	[4]	6,094	[4]
International [Member] | Level III [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	0	[4]	0	[4]
Other [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	14,689	[5]	13,153	[5]
Other [Member] | Level I [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	0	[5]	0	[5]
Other [Member] | Level II [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	0	[5]	0	[5]
Other [Member] | Level III [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	14,689	[5]	13,153	[5]	11,988
Annuity contracts [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	6,340	[6]	5,819	[6]
Annuity contracts [Member] | Level I [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	0	[6]	0	[6]
Annuity contracts [Member] | Level II [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	0	[6]	0	[6]
Annuity contracts [Member] | Level III [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	6,340	[6]	5,819	[6]	5,333
Pension Benefits [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	102,495		94,723		88,775
Other Postretirement Benefits [Member]
Defined benefit plan, fair value hierarchy [Abstract]
Defined Benefit Plan, fair value of plan assets	$ 0		$ 0		$ 0

[1] 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.

[2] Fixed income consists of corporate bonds with investment grade BBB or better from diversified industries, as well as government debt securities. Corporate and government debt investments are valued utilizing a market approach that includes various valuation techniques and sources such as value generation models, broker quotes in active and inactive markets, benchmark yields and securities, reported trades, issuer spreads, and/or other applicable reference data.

[3] U.S. equity securities include companies that are well diversified by industry sector and equity style (i.e., growth and value strategies). Investments are primarily in large capitalization stocks and, to a lesser extent, mid- and small-cap stocks. These securities are valued at the closing price reported on the active market on which the individual securities are traded.

[4] International equities are invested in companies that are traded on exchanges outside the U.S. and are well diversified by industry sector, country, capitalization and equity style (i.e., growth and value strategies). Certain assets are invested in international commingled equity funds. The vast majority of the investments are made in companies in developed markets with a smaller percentage in emerging markets. Securities traded on exchanges are valued at the closing price reported on the active market on which the individual securities are traded. International commingled funds 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.

[5] 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.

[6] 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.