SEGMENT AND GEOGRAPHICAL INFORMATION (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Revenues, operating income and identifiable assets by geographic region
Revenues	$ 342,211	$ 338,399	$ 285,193	$ 249,289	$ 264,402	$ 259,147	$ 238,339	$ 235,151	$ 1,215,092	$ 997,039	$ 879,759
Operating income									227,234	235,510	179,443
Identifiable assets	2,518,811				979,265				2,518,811	979,265	970,467
United States and Canada
Revenues, operating income and identifiable assets by geographic region
Revenues									983,322	826,975	716,075
Operating income									214,145	214,527	159,324
Identifiable assets	1,535,578				742,900				1,535,578	742,900	730,758
International
Revenues, operating income and identifiable assets by geographic region
Revenues									231,770	170,064	163,684
Operating income									13,089	20,983	20,119
Identifiable assets	$ 983,233				$ 236,365				$ 983,233	$ 236,365	$ 239,709