RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: - Gains, Losses and Other Items (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Gains, Losses and Other Items
Restructuring plan charges and adjustments	$ 899	$ 4,008	$ 2,107	$ 7,310
Gain on disposition of Impact email business	(155)		(784)
Arbor and Circulate acquisition-related costs	1,365		1,365
Other	2	50	36	59
Gains, losses and other items, net	$ 2,111	$ 4,058	2,724	$ 7,369
Gains, losses and other items, net
Gains, Losses and Other Items
Restructuring plan charges and adjustments			$ 2,100