RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: (Details) (USD $)	3 Months Ended				12 Months Ended					24 Months Ended
	Jun. 30, 2012	Jun. 30, 2012 Associate-related reserves	Jun. 30, 2012 Ongoing contracts	Jun. 30, 2012 Fiscal 2011 Lease accruals	Mar. 31, 2012 Fiscal 2012	Mar. 31, 2012 Fiscal 2012 Lease accruals	Mar. 31, 2012 Fiscal 2012 Associate-related reserves	Mar. 31, 2012 Fiscal 2012 Associate-related reserves United States, Australia, Europe, and Brazil	Jun. 30, 2012 Fiscal 2012 Associate-related reserves United States, Australia, Europe, and Brazil	Mar. 31, 2009 Fiscal 2008 and 2009 Lease accruals	Jun. 30, 2012 Fiscal 2008 and 2009 Lease accruals
Restructuring activity
Balance at the beginning of the period	$ 20,646,000	$ 9,597,000	$ 11,049,000	$ 2,200,000					$ 4,300,000		$ 8,200,000
Payments	(5,792,000)	(5,140,000)	(652,000)
Charges and adjustments	39,000	(91,000)	130,000		300,000
Balance at the end of the period	14,893,000	4,366,000	10,527,000	2,200,000					4,300,000		8,200,000
Gains, Losses and Other Items
Restructuring charges and adjustments					12,800,000
Restructuring charges						$ 2,600,000	$ 9,900,000	$ 9,900,000		$ 22,200,000