LONG-TERM DEBT (Details) (USD $)					12 Months Ended								0 Months Ended			0 Months Ended	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Term loan facility	Jun. 30, 2012 Term loan facility	Jun. 30, 2013 Term loan facility Quarterly principal reduction through March 2014	Jun. 30, 2013 Term loan facility Quarterly principal reduction from June 2014 through March 2016	Jun. 30, 2013 Term loan facility Quarterly principal reduction from June 2016 through April 2018	Jun. 30, 2013 Term loan facility Principal reduction April 2018	Jun. 30, 2013 Revolving credit facility	Jun. 30, 2012 Revolving credit facility	Jun. 30, 2013 Other, generally unsecured	Jun. 30, 2012 Other, generally unsecured	Apr. 15, 2011 2011 Credit Agreement Senior Secured Credit Facility	Apr. 15, 2011 2011 Credit Agreement Term loan facility	Apr. 15, 2011 2011 Credit Agreement Revolving credit facility	Apr. 19, 2013 2013 Credit Agreement Senior Secured Credit Facility	Jun. 30, 2013 2013 Credit Agreement Senior Secured Credit Facility	Jun. 30, 2013 2013 Credit Agreement Senior Secured Credit Facility Minimum	Jun. 30, 2013 2013 Credit Agreement Senior Secured Credit Facility Maximum	Apr. 19, 2013 2013 Credit Agreement Term loan facility	Apr. 19, 2013 2013 Credit Agreement Revolving credit facility
Components of long-term debt
Long-term debt	$ 604,615,000	$ 511,466,000	$ 364,375,000	$ 281,250,000					$ 240,000,000	$ 230,000,000	$ 240,000	$ 216,000
Less current maturities	(24,615,000)	(17,091,000)
Long-term debt, net of current maturities	580,000,000	494,375,000
Total undrawn revolver capacity									460,000,000	170,000,000
Maximum borrowing capacity													700,000,000	300,000,000	400,000,000	1,070,000,000				370,000,000	700,000,000
Term of facility													5 years			5 years
Sublimit under the revolving credit facility related to standby letters of credit															50,000,000
Sublimit under the revolving credit facility related to swingline loans															10,000,000
Sublimit under the revolving credit facility related to multicurrency borrowings															150,000,000
Variable rate basis																	LIBOR
Debt, margin on LIBOR rate (as a percent)																		1.00%	2.00%
Effective interest rate after giving effect to the floating-to-fixed interest rate swaps (as a percent)			3.59%	3.58%					1.45%	1.75%
Principal reduction amount					$ 5,625,000	$ 7,500,000	$ 5,000,000	$ 247,500,000