Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Revenue:
Total revenue	$ 205,111	$ 225,756
Cost of revenue:
Total cost of revenue	62,027	66,562
Gross profit	143,084	159,194
Operating expenses:
Research and development (related party balances of $2, and $3, respectively)	55,463	58,966
Sales and marketing (related party balances of $0 and $2, respectively)	78,132	85,361
General and administrative (related party balances of $13 and $244, respectively)	26,059	29,872
Amortization of acquired intangible assets	23,465	18,383
Restructuring charges	1,147	167
Impairment of intangible assets	35,871	0
Total operating expenses	220,137	192,749
Loss from operations	(77,053)	(33,555)
Interest and other expense, net:
Interest income	941	480
Interest expense	(5,888)	(2,550)
Other income (expense)	254	(1,065)
Total interest and other expense, net	(4,693)	(3,135)
Loss before income tax benefit	(81,746)	(36,690)
Income tax benefit	(19,242)	(12,468)
Net loss	$ (62,504)	$ (24,222)
Basic net loss per share (in USD per share)	$ (0.78)	$ (0.27)
Diluted net loss per share (in USD per share)	$ (0.78)	$ (0.27)
Weighted average common shares outstanding used in computing:
Net loss per share - basic (in shares)	80,358	91,180
Net loss per share - diluted (in shares)	80,358	91,180
Product
Revenue:
Total revenue	$ 96,927	$ 108,659
Cost of revenue:
Total cost of revenue	32,965	36,462
Service
Revenue:
Total revenue	108,184	117,097
Cost of revenue:
Total cost of revenue	$ 29,062	$ 30,100