RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: (Details) (USD $)	12 Months Ended													12 Months Ended					24 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2010	Mar. 31, 2012 Associate-related reserves	Mar. 31, 2011 Associate-related reserves	Mar. 31, 2010 Associate-related reserves	Mar. 31, 2012 Ongoing contracts	Mar. 31, 2011 Ongoing contracts	Mar. 31, 2010 Ongoing contracts	Mar. 31, 2011 Fiscal 2011	Mar. 31, 2011 Fiscal 2011 Associate-related reserves	Mar. 31, 2011 Fiscal 2011 Associate-related reserves United States, Australia, and Europe	Mar. 31, 2012 Fiscal 2011 Associate-related reserves United States, Australia, and Europe	Mar. 31, 2011 Fiscal 2011 Executive leadership transition Multiple	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	Mar. 31, 2009 Fiscal 2008 and 2009 Lease accruals	Mar. 31, 2012 Fiscal 2008 and 2009 Lease accruals
Restructuring activity
Balance at the beginning of the period	$ 15,104,000	$ 15,774,000	$ 32,165,000	$ 5,562,000	$ 2,870,000	$ 8,233,000	$ 9,542,000	$ 12,904,000	$ 23,932,000				$ 100,000							$ 8,500,000
Restructuring plan for fiscal year	12,507,000	6,064,000		9,855,000	6,064,000		2,652,000
Adjustments	271,000	(1,629,000)	(310,000)	271,000	(291,000)	1,026,000		(1,338,000)	(1,336,000)	1,700,000					300,000
Payments	(7,236,000)	(5,105,000)	(16,081,000)	(6,091,000)	(3,081,000)	(6,389,000)	(1,145,000)	(2,024,000)	(9,692,000)
Balance at the end of the period	20,646,000	15,104,000	15,774,000	9,597,000	5,562,000	2,870,000	11,049,000	9,542,000	12,904,000				100,000	2,700,000		2,600,000		9,500,000		8,500,000
Gains, Losses and Other Items
Restructuring charges and adjustments										4,400,000					12,800,000
Restructuring charges											$ 3,400,000	$ 3,400,000		$ 2,700,000		$ 2,600,000	$ 9,900,000	$ 9,900,000	$ 22,200,000
Number of lump sum payments of transition charges														1
Number of times of officer's annual salary and bonus opportunity														2