RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: (Details) (USD $)	3 Months Ended			12 Months Ended	3 Months Ended		12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended		12 Months Ended		3 Months Ended		12 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2014 Restructuring Activity 2015 [Member]	Jun. 30, 2014 Restructuring Activity 2014 [Member]	Mar. 31, 2014 Restructuring Activity 2014 [Member]	Jun. 30, 2014 Employee Severance [Member]	Jun. 30, 2014 Employee Severance [Member] United States Australia China and Europe [Member]	Mar. 31, 2014 Employee Severance [Member] Restructuring Activity 2015 [Member]	Jun. 30, 2014 Employee Severance [Member] Restructuring Activity 2015 [Member] United States And Europe [Member]	Mar. 31, 2014 Employee Severance [Member] Restructuring Activity 2014 [Member]	Jun. 30, 2014 Employee Severance [Member] Restructuring Activity 2014 [Member] United States Australia China and Europe [Member]	Mar. 31, 2014 Employee Severance [Member] Restructuring Activity 2014 [Member] United States Australia and Europe [Member]	Jun. 30, 2014 Employee Severance [Member] Restructuring Activity 2014 [Member] United States Australia and Europe [Member]	Mar. 31, 2013 Employee Severance [Member] Restructuring Activity 2013 [Member] United States Australia and Europe [Member]	Jun. 30, 2014 Employee Severance [Member] Restructuring Activity 2013 [Member] United States Australia and Europe [Member]	Jun. 30, 2014 Contract Termination [Member]	Jun. 30, 2014 Contract Termination [Member] Restructuring Activity 2015 [Member]	Mar. 31, 2014 Contract Termination [Member] Restructuring Activity 2014 [Member]	Jun. 30, 2014 Contract Termination [Member] Restructuring Activity 2014 [Member]	Mar. 31, 2012 Contract Termination [Member] Restructuring Activity 2012 [Member]	Jun. 30, 2014 Contract Termination [Member] Restructuring Activity 2012 [Member]	Jun. 30, 2014 Contract Termination [Member] Restructuring Activity 2008 and 2009 [Member]
Restructuring activity
Balance at the beginning of the period	$ 16,759,000				$ 6,542,000							$ 3,600,000		$ 100,000	$ 10,217,000			$ 3,500,000		$ 900,000	$ 4,900,000
Payments	(5,223,000)				(4,570,000)										(653,000)
Charges and adjustments	6,499,000		200,000	17,800,000	4,040,000	1,000,000	4,000,000	4,000,000	14,000,000	1,000,000	14,000,000		2,800,000		2,459,000	2,500,000	3,800,000		2,600,000
Balance at the end of the period	18,035,000				6,012,000			2,300,000				3,600,000		100,000	12,023,000	2,500,000		3,500,000		900,000	4,900,000
Restructuring charges		$ 6,700,000