SEGMENT AND GEOGRAPHICAL INFORMATION (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Revenues, operating income and identifiable assets by geographic region
Revenues	$ 259,147	$ 228,540	$ 732,637	$ 633,964
Operating income	60,665	50,227	170,915	130,657
United States and Canada
Revenues, operating income and identifiable assets by geographic region
Revenues	212,699	187,108	621,583	516,601
Operating income	52,353	43,892	165,406	118,326
International
Revenues, operating income and identifiable assets by geographic region
Revenues	46,448	41,432	111,054	117,363
Operating income	$ 8,312	$ 6,335	$ 5,509	$ 12,331