Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
REVENUES:
Revenue from Contract with Customer, Excluding Assessed Tax	$ 328,607	$ 330,932
Cost of goods sold	207,192	195,629
Gross Profit	121,415	135,303
OPERATING EXPENSES:
Selling, general and administrative	72,305	72,633
Research and development	10,746	12,823
Restructuring, strategic transaction and integration	12,307	24,392
Change in fair value of contingent earn-out	0	(7,700)
contract settlement	0	2,783
TOTAL OPERATING EXPENSES	95,358	104,931
INCOME (LOSS) FROM OPERATIONS	26,057	30,372
Interest Expense	(196)	(133)
OTHER INCOME (EXPENSE), net	(5,480)	3,191
INCOME BEFORE INCOME TAXES	20,381	33,430
(PROVISION) BENEFIT FOR INCOME TAXES	(3,547)	(2,432)
NET INCOME	$ 16,834	$ 30,998
NET INCOME (LOSS) PER SHARE
Basic (in dollars per share)	$ 0.81	$ 1.51
Diluted (in dollars per share)	$ 0.78	$ 1.44
WEIGHTED AVERAGE NUMBER OF SHARES
Basic (in shares)	20,780	20,527
Diluted (in shares)	21,507	21,551