SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: - Reclassifications (Details) - USD ($) $ in Thousands		12 Months Ended
		Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Summary of reclassification activity
Cost of revenue		$ 488,382	$ 494,037	$ 505,517
Research and development		74,247	74,201	62,807
Sales and marketing		146,176	116,494	93,607
General and administrative		$ 135,385	130,263	99,544
Reclassification of operating costs and expenses
Summary of reclassification activity
Research and development			20,300	23,600
As previously reported
Summary of reclassification activity
Cost of revenue	[1]		639,945	608,861
Selling, general and administrative	[1]		175,050	152,614
Restatement adjustment | Category expansion
Summary of reclassification activity
Cost of revenue			(74,201)	(62,807)
Research and development			74,201	62,807
Selling, general and administrative			(175,050)	(152,614)
Sales and marketing			54,807	58,641
General and administrative			120,243	93,973
Restatement adjustment | Account management reclass
Summary of reclassification activity
Cost of revenue			(62,947)	(34,966)
Sales and marketing			62,947	34,966
Restatement adjustment | IT reclass and other
Summary of reclassification activity
Cost of revenue			(8,760)	(5,571)
Sales and marketing			(1,260)
General and administrative			$ 10,020	$ 5,571

[1] 1 Adjusted for discontinued operations