Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Revenue:
Product	$ 209,124	$ 76,446	$ 437,616	$ 198,765
Service	98,555	46,387	231,916	135,519
Total revenue	307,679	122,833	669,532	334,284
Cost of revenue:
Product (related party balances of $8,736, $0, $16,464 and $0, respectively)	77,147	18,310	165,066	45,015
Service (related party balances of $2,225, $0, $4,717 and $0, respectively)	28,968	8,672	62,532	26,158
Total cost of revenue	106,115	26,982	227,598	71,173
Gross profit	201,564	95,851	441,934	263,111
Operating expenses:
Research and development (related party balances of $4,197, $0, $15,011 and $0, respectively)	65,131	18,864	149,085	56,872
Sales and marketing (related party balances of $3,650, $0, $12,728 and $0, respectively)	91,386	34,836	208,631	104,304
General and administrative (related party balances of $6,383, $0, $13,446 and $0, respectively)	30,973	13,391	82,477	33,211
Amortization of acquired intangible assets	11,249	821	21,901	2,539
Restructuring charges	572	0	468	0
Total operating expenses	199,311	67,912	462,562	196,926
Income (loss) from operations	2,253	27,939	(20,628)	66,185
Interest and other income (expense), net:
Interest income	189	95	519	298
Interest expense	(2,070)	(191)	(4,047)	(580)
Other expense, net (related party balances of $0, $0, $383 and $0, respectively)	(1,022)	(416)	(349)	(904)
Total interest and other expense, net	(2,903)	(512)	(3,877)	(1,186)
Income (loss) before income tax expense (benefit)	(650)	27,427	(24,505)	64,999
Income tax expense	23,857	9,798	248	24,661
Net income (loss)	$ (24,507)	$ 17,629	$ (24,753)	$ 40,338
Basic net income (loss) per share (in USD per share)	$ (0.25)	$ 0.43	$ (0.32)	$ 0.98
Diluted net income (loss) per share (in USD per share)	$ (0.25)	$ 0.42	$ (0.32)	$ 0.97
Weighted average common shares outstanding used in computing:
Net income (loss) per share - basic (in shares)	98,797	41,206	77,126	41,128
Net income (loss) per share - diluted (in shares)	98,797	41,536	77,126	41,679