DIVIDENDS AND STOCK REPURCHASE PROGRAM (Cash Dividends Declared) (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Dividend Per Share	$ 0.18	$ 0	$ 0.18	$ 0	$ 0.17	$ 0	$ 0.17	$ 0	$ 0.36	$ 0.34	$ 0.34
Total Dividend Amount									$ 23,230	$ 21,903	$ 21,736
November 6, 2013
Declaration Date									Nov. 06, 2013
Record Date									Dec. 06, 2013
Payment Date									Dec. 27, 2013
Dividend Per Share									$ 0.17
Total Dividend Amount									$ 10,941
May 9, 2014
Declaration Date									May 09, 2014
Record Date									Jun. 06, 2014
Payment Date									Jun. 27, 2014
Dividend Per Share									$ 0.17
Total Dividend Amount									$ 10,962
November 6, 2014
Declaration Date									Nov. 06, 2014
Record Date									Dec. 05, 2013
Payment Date									Dec. 26, 2014
Dividend Per Share									$ 0.18
Total Dividend Amount									$ 11,641
May 14, 2015
Declaration Date									May 14, 2015
Record Date									Jun. 05, 2015
Payment Date									Jun. 26, 2015
Dividend Per Share									$ 0.18
Total Dividend Amount									$ 11,589