RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: (Details) (USD $)	12 Months Ended			3 Months Ended	12 Months Ended				3 Months Ended	12 Months Ended									12 Months Ended		12 Months Ended						12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2014 Gains, losses and other items, net	Mar. 31, 2014 Gains, losses and other items, net	Mar. 31, 2013 Gains, losses and other items, net	Mar. 31, 2012 Gains, losses and other items, net	Mar. 31, 2014 Fiscal 2014 Gains, losses and other items, net	Mar. 31, 2013 Fiscal 2013 Gains, losses and other items, net	Mar. 31, 2013 Fiscal 2013 Gains, losses and other items, net	Mar. 31, 2012 Fiscal 2012	Mar. 31, 2012 Fiscal 2012 Gains, losses and other items, net	Mar. 31, 2014 Associate-related reserves	Mar. 31, 2013 Associate-related reserves	Mar. 31, 2012 Associate-related reserves	Mar. 31, 2014 Associate-related reserves Fiscal 2014 United States, Australia, China and Europe	Mar. 31, 2013 Associate-related reserves Fiscal 2013 United States, Australia, and Europe	Mar. 31, 2014 Associate-related reserves Fiscal 2013 United States, Australia, and Europe	Mar. 31, 2012 Associate-related reserves Fiscal 2012 United States, Australia, Europe, and Brazil	Mar. 31, 2014 Associate-related reserves Fiscal 2012 United States, Australia, Europe, and Brazil	Mar. 31, 2014 Lease accruals	Mar. 31, 2013 Lease accruals	Mar. 31, 2012 Lease accruals	Mar. 31, 2014 Lease accruals Fiscal 2014	Mar. 31, 2013 Lease accruals Fiscal 2013	Mar. 31, 2014 Lease accruals Fiscal 2013	Mar. 31, 2012 Lease accruals Fiscal 2012	Mar. 31, 2014 Lease accruals Fiscal 2012	Mar. 31, 2014 Lease accruals Fiscal 2008 and 2009
Restructuring activity
Balance at the beginning of the period	$ 12,710,000	$ 20,646,000	$ 15,104,000										$ 3,689,000	$ 9,597,000	$ 5,562,000			$ 200,000		$ 100,000	$ 9,021,000	$ 11,049,000	$ 9,542,000			$ 100,000		$ 1,000,000	$ 5,700,000
Restructuring charges and adjustments	17,810,000	2,894,000	12,778,000	11,100,000	17,810,000	2,894,000	12,778,000	17,800,000	2,900,000	2,900,000		12,800,000	14,014,000	2,836,000	10,126,000	14,000,000	2,800,000		9,900,000		3,796,000	58,000	2,652,000	3,800,000	100,000		2,600,000
Payments	(13,761,000)	(10,830,000)	(7,236,000)										(11,161,000)	(8,744,000)	(6,091,000)						(2,600,000)	(2,086,000)	(1,145,000)
Adjustments											300,000
Balance at the end of the period	$ 16,759,000	$ 12,710,000	$ 20,646,000										$ 6,542,000	$ 3,689,000	$ 9,597,000	$ 6,300,000		$ 200,000		$ 100,000	$ 10,217,000	$ 9,021,000	$ 11,049,000	$ 3,500,000		$ 100,000		$ 1,000,000	$ 5,700,000