Interim Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues	$ 649,162	$ 679,452
Gross profit	374,409	388,319
Research and development	34,387	36,053
Selling, general and administrative	198,744	204,425
Amortization	13,998	12,222
Interest Expense	10,219	9,094
Restructuring Charges	1,905	1,523
Other charges (income), net	(3,343)	(674)
Earnings before taxes	118,499	125,676
Provision for taxes	20,384	13,871
Net Income (Loss) Attributable to Parent	$ 98,115	$ 111,805
Basic earnings per common share:
Net earnings	$ 4.08	$ 4.50
Weighted average number of common shares	24,027,833	24,851,340
Diluted earnings per common share:
Net earnings	$ 4.03	$ 4.42
Weighted average number of common and common equivalent shares	24,353,477	25,310,525
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 74,087	$ 124,465
Product [Member]
Cost of Goods and Services Sold	191,623	210,216
Revenues	489,334	524,347
Service [Member]
Cost of Goods and Services Sold	83,130	80,917
Revenues	$ 159,828	$ 155,105