INCOME TAXES: (Details) (USD $)	3 Months Ended			9 Months Ended
	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
INCOME TAXES:
Goodwill impairment		$ 78,426,000	$ 74,100,000	$ 78,426,000	$ 74,100,000
Income Taxes
Benefit recorded from release of tax reserves	900,000
Benefit recorded from qualifying employment tax credits				600,000
Income taxes	$ (6,000,000)		$ 44,670,000	$ (5,270,000)	$ 29,678,000
Effective tax rate (as a percentage)	32.40%		65.20%	13.00%	112.10%
State | Minimum
Income Taxes
Statute of limitation period for tax audits (in years)				3
State | Maximum
Income Taxes
Statute of limitation period for tax audits (in years)				4
Foreign | Minimum
Income Taxes
Statute of limitation period for tax audits (in years)				3
Foreign | Maximum
Income Taxes
Statute of limitation period for tax audits (in years)				5