SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Cash paid during the period for :
Interest	$ 10,638	$ 10,638	$ 10,490
Income taxes, net of refunds	20,272	27,322	48,809
Non-cash investing and financing activities:
Dividends declared	$ 56,715	$ 54,049	$ 47,997