CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Net revenues	$ 447,767	$ 221,309
Cost of revenues	235,121	111,466
Gross profit		109,843
Operating expenses:
Research, development, and engineering	59,524	23,701
Selling, general, and administrative		64,203
Gain, net from litigation settlements	(1,162)	(30)
Restructuring and other related charges	19,525	1,320
Total operating expenses		89,194
Operating income (loss)		20,649
Interest expense	(23,932)	(7,327)
Other non-operating income, net	333	1,996
Income (loss) before income taxes		15,318
Income tax expense (benefit)		847
Net income (loss)	$ (44,871)	$ 14,471
Income (loss) per common share:
Basic (in dollars per share)	$ (1.14)	$ 0.43
Diluted (in dollars per share)	$ (1.14)	$ 0.42
Shares used in computing loss per common share:
Basic (in shares)	39,239	32,594
Diluted (in shares)	39,239	33,534
Product [Member]
Net revenues		$ 221,309
Cost of revenues	$ 208,616	111,466
Service [Member]
Net revenues	65,022	0
Cost of revenues	$ 26,505	$ 0