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, 2012
Actual return on plan assets [Abstract]
Fair value of assets, end of year	$ 88,775
Level III [Member]
Actual return on plan assets [Abstract]
Fair value of assets, end of year	22,645
Variable Annuity [Member]
Actual return on plan assets [Abstract]
Fair value of assets, end of year	5,333
Variable Annuity [Member] | Level III [Member]
Defined benefit plan reconciliation of fair value measurements (Level III) [Abstract]
Balance - June 30, 2010	5,810
Actual return on plan assets [Abstract]
Relating to assets still held at reporting date	(681)
Relating to assets sold during the period	0
Purchases, sales and settlements, net	204
Transfers in and/or out of Level III	0
Fair value of assets, end of year	5,333
Real Estate [Member]
Actual return on plan assets [Abstract]
Fair value of assets, end of year	9,157
Real Estate [Member] | Level III [Member]
Defined benefit plan reconciliation of fair value measurements (Level III) [Abstract]
Balance - June 30, 2010	5,260
Actual return on plan assets [Abstract]
Relating to assets still held at reporting date	334
Relating to assets sold during the period	0
Purchases, sales and settlements, net	0
Transfers in and/or out of Level III	(270)
Fair value of assets, end of year	5,324
Other Plan Assets [Member]
Actual return on plan assets [Abstract]
Fair value of assets, end of year	11,988	[1]
Other Plan Assets [Member] | Level III [Member]
Defined benefit plan reconciliation of fair value measurements (Level III) [Abstract]
Balance - June 30, 2010	12,368
Actual return on plan assets [Abstract]
Relating to assets still held at reporting date	(380)
Relating to assets sold during the period	0
Purchases, sales and settlements, net	0
Transfers in and/or out of Level III	0
Fair value of assets, end of year	$ 11,988	[1]

[1] Other consists of hedged equity.