DISCONTINUED OPERATIONS - Summary of Income from Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Discontinued Operations and Disposal Groups [Abstract]
Operating revenue	$ 0	$ (12)	$ 0	$ 528
Operating expenses	0	(9)	0	889
Loss from discontinued operations before income taxes	0	(3)	0	(361)
Income tax benefit	0	(1)	0	(123)
Loss from Discontinued Operations	$ 0	$ (2)	$ 0	$ (238)