SHAREHOLDERS' EQUITY (Details) (USD $)	3 Months Ended	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2014 Multiple	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2009	Jul. 27, 2012	Feb. 01, 2008
SHAREHOLDERS' EQUITY [Abstract]
Total common stock outstanding (in shares)	11,261,873	11,261,873	11,212,952	11,304,487
Treasury stock, shares (in shares)	1,837,595	1,837,595	1,886,516	1,794,981
Treasury shares issued (in shares)		51,921	123,997	69,593
Forfeiture of restricted share (in shares)	3,000
Number of shares authorized to be repurchased at market value (in shares)							500,000
Common stock, average price (in dollars per share)			$ 16.59	$ 19.40	$ 7.25
Cost of shares purchased			$ 3,068,652	$ 2,425,000	$ 1,812,500
Number of shares repurchased (in shares)			185,000	125,000	250,000
Number of additional shares authorized to purchase at market value (in shares)						375,000
Cash dividend (in dollars per share)		$ 0.36	$ 0.36	$ 0.34
Class of Stock [Line Items]
Number of business days following public announcement to exercise right		10 days
Beneficial ownership of entity's common stock, minimum (in hundredths)	20.00%	20.00%
Beneficial ownership of entity's common stock for existing holder, minimum (in hundredths)		30.00%
Beneficial ownership of entity's common stock as a result of transfer, minimum (in hundredths)		20.00%
Number of business days following commencement of tender offer		10 days
Beneficial ownership of entity's common stock, second condition, minimum (in hundredths)		20.00%
Beneficial ownership of entity's common stock for existing holder, second condition, minimum (in hundredths)		30.00%
Multiple of exercise price		2
Maturity date of rights		Jun. 30, 2018
Redemption price of a right (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	200,000	200,000	200,000
Preferred stock, shares issued (in shares)	0	0	0
Preferred stock designated for shareholder rights plan (in shares)	150,000	150,000
Accumulated other comprehensive loss included in equity
Translation adjustments	20,779,000	20,779,000	16,949,000
Benefit plan adjustments, net of income taxes of $21,436 and $25,242, respectively	(36,722,000)	(36,722,000)	(42,848,000)
Accumulated other comprehensive loss	(15,943,000)	(15,943,000)	(25,899,000)
Tax effect on benefit plan adjustments		21,436,000	25,242,000
Reconciliation for the changes in accumulated other comprehensive income (loss), net of tax, by component [Roll Forward]
Balance, beginning of period		(25,899,000)
Balance, end of period	(15,943,000)	(15,943,000)	(25,899,000)
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Tax benefit		4,226,000	4,986,000	17,815,000
Total reclassification net of tax		3,870,000	4,251,000	26,941,000
Translation Adjustment [Member]
Accumulated other comprehensive loss included in equity
Accumulated other comprehensive loss	20,779,000	20,779,000
Reconciliation for the changes in accumulated other comprehensive income (loss), net of tax, by component [Roll Forward]
Balance, beginning of period		16,949,000
Other comprehensive loss before reclassifications		3,830,000
Amounts reclassified from accumulated other comprehensive income		0
Net current period other comprehensive income		3,830,000
Balance, end of period	20,779,000	20,779,000
Benefit Plans Adjustment [Member]
Accumulated other comprehensive loss included in equity
Accumulated other comprehensive loss	(36,722,000)	(36,722,000)
Reconciliation for the changes in accumulated other comprehensive income (loss), net of tax, by component [Roll Forward]
Balance, beginning of period		(42,848,000)
Other comprehensive loss before reclassifications		3,950,000
Amounts reclassified from accumulated other comprehensive income		2,176,000
Net current period other comprehensive income		6,126,000
Balance, end of period	(36,722,000)	(36,722,000)
Benefit Plans Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Actuarial losses		(3,496,000)
Transition asset and prior service benefit		(31,000)
Total before tax benefit		(3,527,000)
Tax benefit		1,351,000
Total reclassification net of tax		$ (2,176,000)
Series A Junior Preferred Stock [Member]
Class of Stock [Line Items]
Number of preferred stock purchase rights per outstanding share of common stock		1
Number of shares exercised per right (in shares)	0.0025	0.0025
Exercise price of rights (in dollars per unit)	$ 125	$ 125