Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
REVENUES:
Net sales	$ 360,460	$ 331,218	$ 732,493	$ 578,461
Other	0	296	0	792
TOTAL REVENUE	360,460	331,514	732,493	579,253
COST OF GOODS SOLD	208,660	243,452	431,692	402,246
GROSS PROFIT	151,800	88,062	300,801	177,007
OPERATING EXPENSES:
Selling, general and administrative	83,538	85,106	170,535	149,992
Research and development	13,575	12,967	26,161	24,608
Restructuring, strategic transaction and integration	18,690	19,921	40,259	49,322
Change in fair value of contingent earn-out	6,000	6,000	2,000	6,000
Contract settlement	0	0	28,917	0
TOTAL OPERATING EXPENSES	121,803	123,994	267,872	229,922
INCOME (LOSS) FROM OPERATIONS	29,997	(35,932)	32,929	(52,915)
Bargain purchase gain	0	0	0	63,237
Interest Expense	(130)	(525)	(265)	(1,038)
OTHER INCOME (EXPENSE), net	(270)	(2,720)	756	(2,613)
INCOME (LOSS) BEFORE INCOME TAXES	29,597	(39,177)	33,420	6,671
BENEFIT FOR INCOME TAXES	1,457	2,117	2,509	12,132
NET INCOME (LOSS)	$ 31,054	$ (37,060)	$ 35,929	$ 18,803
NET INCOME (LOSS) PER SHARE
Basic (in dollars per share)	$ 1.53	$ (1.87)	$ 1.77	$ 0.98
Diluted (in dollars per share)	$ 1.44	$ (1.87)	$ 1.67	$ 0.93
WEIGHTED AVERAGE NUMBER OF SHARES
Basic (in shares)	20,352	19,821	20,304	19,153
Diluted (in shares)	21,569	19,821	21,536	20,312