Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
REVENUES:
TOTAL REVENUE	$ 1,266,208	$ 1,400,040	$ 1,292,613
Cost of Goods Sold	794,344	830,012	866,518
Gross profit	471,864	570,028	426,095
OPERATING EXPENSES:
Selling, general and administrative	276,982	320,002	302,169
Research and development	48,611	52,867	51,253
Restructuring, strategic transaction and integration expenses	80,574	105,390	77,967
Change in fair value of contingent earn-out	(47,400)	20,400	8,000
Contractsettlements	5,737	41,613	0
Impairment of assets held for sale			0
Total operating expenses	364,504	540,272	439,389
Income (Loss) from operations	107,360	29,756	(13,294)
Bargain Purchase Gain	0	0	(70,890)
Interest Expense	(549)	(709)	(2,047)
OTHER INCOME (EXPENSE),NET	7,896	(6,673)	(4,266)
Income before income taxes	114,707	22,374	51,283
(PROVISION) BENEFIT FOR INCOME TAXES	(13,672)	6,419	17,361
Net Income	$ 101,035	$ 28,793	$ 68,644
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Basic	$ 4.90	$ 1.41	$ 3.50
Diluted	$ 4.69	$ 1.33	$ 3.29
WEIGHTED AVERAGE NUMBER OF SHARES
Basic (in shares)	20,629	20,394	19,614
Diluted (in shares)	21,545	21,601	20,858
Product [Member]
REVENUES:
Net sales	$ 1,266,208	$ 1,400,040	$ 1,292,166
Product and Service, Other [Member]
REVENUES:
Net sales	$ 0	$ 0	$ 447