RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended		9 Months Ended		12 Months Ended		12 Months Ended		9 Months Ended		12 Months Ended		12 Months Ended		24 Months Ended		9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Fiscal 2013	Mar. 31, 2012 Fiscal 2012	Dec. 31, 2013 Fiscal 2014	Dec. 31, 2013 Associate-related reserves	Mar. 31, 2013 Associate-related reserves Fiscal 2013 United States, Australia, and Europe	Dec. 31, 2013 Associate-related reserves Fiscal 2013 United States, Australia, and Europe	Mar. 31, 2012 Associate-related reserves Fiscal 2012 United States, Australia, Europe, and Brazil	Dec. 31, 2013 Associate-related reserves Fiscal 2012 United States, Australia, Europe, and Brazil	Dec. 31, 2013 Associate-related reserves Fiscal 2014 United States, Australia, China and Europe	Dec. 31, 2013 Ongoing contract costs	Mar. 31, 2013 Ongoing contract costs Fiscal 2013	Dec. 31, 2013 Ongoing contract costs Fiscal 2013 Maximum	Mar. 31, 2012 Ongoing contract costs Fiscal 2012	Dec. 31, 2013 Ongoing contract costs Fiscal 2012	Mar. 31, 2009 Ongoing contract costs Fiscal 2008 and 2009	Dec. 31, 2013 Ongoing contract costs Fiscal 2008 and 2009	Dec. 31, 2013 Ongoing contract costs Fiscal 2014
Restructuring activity
Balance at the beginning of the period			$ 12,710,000					$ 3,689,000		$ 600,000		$ 900,000		$ 9,021,000		$ 100,000		$ 1,100,000		$ 6,300,000
Payments			(4,978,000)					(3,347,000)						(1,631,000)
Charges and adjustments	3,657,000	(126,000)	6,844,000	66,000	2,900,000	12,800,000	6,800,000	4,466,000	2,800,000		9,900,000		4,600,000	2,378,000	100,000		2,600,000		22,200,000		2,500,000
Balance at the end of the period	14,576,000		14,576,000					4,808,000		600,000		900,000	3,300,000	9,768,000		100,000		1,100,000		6,300,000	2,300,000
Adjustments						$ 300,000	$ (300,000)