QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) - 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
Quarterly Financial Information Disclosure [Abstract]
Revenues	$ 462,889	$ 453,960	$ 455,887	$ 464,551	$ 483,926	$ 471,561	$ 468,367	$ 468,583	$ 1,837,287		$ 1,892,437		$ 2,018,713
Cost of service and product revenues, excluding depreciation and amortization	264,615	261,947	268,049	268,664	279,095	272,490	273,874	268,759	1,063,275		1,094,218
Operating (loss) income	(446)	5,402	(671)	(754)	2,458	(3,218)	(34,233)	35	3,531		(34,958)		13,359
Loss from continuing operations	(1,943)	(4,763)	(16,663)	(9,843)	(17,742)	(10,090)	(110,889)	(1,153)	(33,212)		(139,874)		5,478
(Loss) income from discontinued operations, net of income taxes	(630)	0	0	0	744	609	0	0	(630)		1,353		25,028
Net (loss) income	$ (2,573)	$ (4,763)	$ (16,663)	$ (9,843)	$ (16,998)	$ (9,481)	$ (110,889)	$ (1,153)	$ (33,842)		$ (138,521)		$ 30,506
Loss from continuing operations per share, basic and diluted (in dollars per share)	$ (0.04)	$ (0.09)	$ (0.30)	$ (0.18)	$ (0.31)	$ (0.18)	$ (1.96)	$ (0.02)	$ (0.60)		$ (2.48)		$ 0.10
(Loss) income from discontinued operations per share, basic and diluted (in dollars per share)	(0.01)	0.00	0.00	0.00	0.01	0.01	0.00	0.00	(0.01)		0.02		0.44
Net (loss) income per share, basic and diluted (in dollars per share)	$ (0.05)	$ (0.09)	$ (0.30)	$ (0.18)	(0.30)	(0.17)	(1.96)	(0.02)	(0.62)	[1]	(2.45)	[1]	0.54	[1]
Dividends declared per share (in dollars per share)					$ 0	$ 0	$ 0.06	$ 0.06	$ 0		$ 0.12		$ 0.24

[1] Total is a recalculation; line items calculated individually may not sum to total due to rounding.