Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Total revenues	$ 201,754	$ 108,252	$ 376,407	$ 256,220
Cost of sales	53,003	49,073	112,665	106,114
Gross profit	148,751	59,179	263,742	150,106
Research and development	20,970	11,723	37,349	25,653
Sales and marketing	27,567	26,926	58,305	56,515
General and administrative	15,679	12,876	30,011	26,307
Acquisition and integration costs	872	1,836	2,786	4,660
Total operating expenses	65,088	53,361	128,451	113,135
Operating income	83,663	5,818	135,291	36,971
Total other expense, net	(3,467)	(5,253)	(6,274)	(9,835)
Income before income taxes	80,196	565	129,017	27,136
Provision (benefit) for income taxes	12,544	(705)	21,128	1,022
Net income	$ 67,652	$ 1,270	$ 107,889	$ 26,114
Basic earnings per share	$ 1.61	$ 0.03	$ 2.56	$ 0.65
Diluted earnings per share	$ 1.55	$ 0.03	$ 2.48	$ 0.65
Shares used in basic per share calculation	42,117	40,209	42,086	39,957
Shares used in diluted per share calculation	43,746	41,429	43,574	42,315
Interest Income (Expense), Net	$ (3,467)	$ (4,505)	$ (6,274)	$ (9,087)
Loss on extinguishment of debt	$ 0	$ (748)	$ 0	$ (748)