STOCK-BASED COMPENSATION (Details 2) (USD $)	12 Months Ended												1 Months Ended	12 Months Ended		12 Months Ended	1 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Stock Options Y	Jun. 30, 2011 Stock Options Y	Jun. 30, 2010 Stock Options Y	Jun. 30, 2012 Stock Options Minimum	Jun. 30, 2012 Stock Options Maximum	Jun. 30, 2012 Stock Appreciation Rights Y	Jun. 30, 2011 Stock Appreciation Rights Y	Jun. 30, 2010 Stock Appreciation Rights Y	Jun. 30, 2012 Stock Appreciation Rights Minimum	Jun. 30, 2012 Stock Appreciation Rights Maximum	Aug. 31, 2011 Performance Shares	Jun. 30, 2012 Performance Shares Y	Aug. 18, 2011 Performance Shares	Jun. 30, 2012 Restricted Stock Y	Aug. 31, 2011 Restricted Stock - Officers and Certain Employees Y	Aug. 31, 2011 Restricted Stock - Non-executive Directors	Aug. 18, 2011 Restricted Stock - Non-executive Directors
Stock Options and Stock Appreciation Rights
Continuous service period for awards to vest						1 year	3 years				1 year	3 years
Contractual term of awards			10 years					10 years
Key assumptions used in Black-Scholes model to determine the fair value of each stock option and SAR
Weighted-average expected volatility (as a percent)			45.10%	46.80%	47.50%			45.30%	46.00%	47.40%
Weighted-average expected life (in years)			5.7	5.7	5.6			6.1	6.0	5.5
Weighted-average dividend yield (as a percent)			0.76%	0.89%	0.68%			0.76%	0.89%	0.68%
Weighted-average risk free interest rate (as a percent)			1.10%	1.70%	2.40%			1.20%	1.80%	2.40%
Stock options, number of shares
Outstanding at the beginning of the period (in shares)			333,478
Granted (in shares)			18,796
Exercised (in shares)	(184,357)	(20,738)	(184,357)
Forfeited (in shares)			(1,867)
Outstanding at the end of the period (in shares)			166,050	333,478
Exercisable at the end of the period (in shares)			131,453
Stock options, weighted-average exercise price
Outstanding at the beginning of the period (in dollars per share)			$ 26.96
Granted (in dollars per share)			$ 68.18
Exercised (in dollars per share)			$ 22.25
Forfeited (in dollars per share)			$ 61.56
Outstanding at the end of the period (in dollars per share)			$ 36.46	$ 26.96
Exercisable at the end of the period (in dollars per share)			$ 30.38
Stock options, weighted-average remaining contractual life (in years)
Outstanding at the end of the period (in years)			5.7
Exercisable at the end of the period (in years)			4.9
Stock options, aggregate intrinsic value
Outstanding at the end of the period			$ 6,964,000
Exercisable at the end of the period			6,313,000
Intrinsic value of options exercised			8,700,000	700,000	6,200,000
Non-vested stock options, number of shares
Non-vested at the beginning of the period (in shares)			37,066
Granted (in shares)			18,796
Vested (in shares)			(19,398)
Forfeited (in shares)			(1,867)
Non-vested at the end of the period (in shares)			34,597	37,066
Non-vested stock options, weighted-average grant date fair value
Non-vested at the beginning of the period (in dollars per share)			$ 19.96
Granted (in dollars per share)			$ 27.23	$ 20.56	$ 23.21
Vested (in dollars per share)			$ 18.71
Forfeited (in dollars per share)			$ 24.85
Non-vested at the end of the period (in dollars per share)			$ 24.35	$ 19.96
Unrecognized stock-based compensation expense
Unrecognized stock-based compensation expense related to non-vested awards			500,000					1,200,000						2,100,000		5,300,000
Weighted-average period of recognition of unrecognized stock-based compensation expenses of non-vested awards (in years)			1.7					1.7						1.6		3.7
Other than stock options, number of shares
Outstanding at the beginning of the period (in shares)								148,412
Granted (in shares)								42,804						49,600		44,950	30,950	14,000
Forfeited (in shares)														(1,250)		(5,600)
Outstanding at the end of the period (in shares)								191,216	148,412
Exercisable at the end of the period (in shares)								104,643
Other than stock options, weighted-average exercise price
Outstanding at the beginning of the period (in dollars per share)								$ 44.66
Granted (in dollars per share)								$ 68.18
Outstanding at the end of the period (in dollars per share)								$ 49.93	$ 44.66
Exercisable at the end of the period (in dollars per share)								$ 42.12
Other than stock options, weighted-average remaining contractual life (in years)
Outstanding at the end of the period (in years)								7.8
Exercisable at the end of the period (in years)								7.1
Other than stock options, aggregate intrinsic value
Outstanding at the end of the period								5,445,000
Exercisable at the end of the period								$ 3,796,000
Non-vested other than stock options, number of shares
Outstanding at the beginning of the period (in shares)								90,863						43,125		262,533
Granted (in shares)								42,804						49,600		44,950	30,950	14,000
Vested (in shares)								(47,094)						(26,775)		(64,332)
Forfeited (in shares)														(1,250)		(5,600)
Outstanding at the end of the period (in shares)								86,573	90,863					64,700		237,551
Non-vested other than stock options, weighted-average grant date fair value
Non-vested at the beginning of the period (in dollars per share)								$ 20.37						$ 49.66		$ 36.68
Granted (in dollars per share)								$ 28.04	$ 20.87	$ 22.94				$ 68.18		$ 68.18
Vested (in dollars per share)								$ 19.28						$ 58.24		$ 33.79
Forfeited (in dollars per share)														$ 60.77		$ 57.93
Non-vested at the end of the period (in dollars per share)								$ 24.75	$ 20.37					$ 60.09		$ 42.93
Performance Shares
Period over which the multi-year performance goals must be achieved													5 years
Percentage of interim earn out basis for vesting, one															25.00%
Percentage of interim earn out basis for vesting, two															50.00%
Percentage of interim earn out basis for vesting, three															75.00%
Percentage of interim earn out basis for vesting, four															100.00%
Trailing period for growth of free cash flow per share, a performance measure													12 months
Restricted Stock
Vesting period of awards granted to officers and certain employees																	3 years	1 year
Holding period of awards granted to officers and certain employees, as a vesting condition																	3
Fraction of the shares granted to officers and certain employees, vesting in year four (in shares)																	0.33
Fraction of the shares granted to officers and certain employees, vesting in year five (in shares)																	0.33
Fraction of the shares granted to officers and certain employees, vesting in year six (in shares)																	0.33
Percentage of shares granted to non-executive directors, vesting immediately upon grant																			50.00%
Percentage of shares granted to non-executive directors, vesting one year after date of grant																			50.00%