STOCK-BASED COMPENSATION (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Stock-based compensation expense.
Stock-based compensation expense	$ 1,805,000	$ 1,868,000	$ 3,900,000	$ 4,066,000
Stock Options
Stock-based compensation expense.
Stock-based compensation expense	129,000	123,000	256,000	238,000
Granted (in shares)			17,925	18,796
Unrecognized stock-based compensation expense
Unrecognized stock-based compensation expense related to non-vested awards	700,000		700,000
Weighted-average period of recognition of unrecognized stock-based compensation expenses of non-vested awards			2 years
Stock Appreciation Rights
Stock-based compensation expense.
Stock-based compensation expense	427,000	329,000	819,000	624,000
Granted (in shares)			54,400	42,804
Unrecognized stock-based compensation expense
Unrecognized stock-based compensation expense related to non-vested awards	2,000,000		2,000,000
Weighted-average period of recognition of unrecognized stock-based compensation expenses of non-vested awards			1 year 9 months 18 days
Restricted Stock
Stock-based compensation expense.
Stock-based compensation expense	649,000	565,000	1,779,000	1,651,000
Granted (in shares)			40,850	44,950
Unrecognized stock-based compensation expense
Unrecognized stock-based compensation expense related to non-vested awards	6,400,000		6,400,000
Weighted-average period of recognition of unrecognized stock-based compensation expenses of non-vested awards			3 years 7 months 6 days
Restricted Stock | Officers and Certain Employees
Stock-based compensation expense.
Vesting period of awards granted to officers and certain employees			3 years
Holding period of awards granted to officers and certain employees, as a vesting condition			2 years
Fraction of the shares granted to officers and certain employees, vesting in year three (as a percent)			0.33
Fraction of the shares granted to officers and certain employees, vesting in year four (as a percent)			0.33
Fraction of the shares granted to officers and certain employees, vesting in year five (as a percent)			0.33
Performance Shares
Stock-based compensation expense.
Stock-based compensation expense	600,000	851,000	1,046,000	1,553,000
Granted (in shares)			45,600	49,600
Unrecognized stock-based compensation expense
Unrecognized stock-based compensation expense related to non-vested awards	$ 4,300,000		$ 4,300,000
Weighted-average period of recognition of unrecognized stock-based compensation expenses of non-vested awards			1 year 9 months 18 days