Interim Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenues	$ 804,390	$ 649,162
Gross profit	471,696	374,409
Research and development	39,272	34,387
Selling, general and administrative	221,752	198,744
Amortization	13,884	13,998
Interest Expense	9,471	10,219
Restructuring Charges	1,193	1,905
Other charges (income), net	710	(3,343)
Earnings before taxes	185,414	118,499
Provision for taxes	35,751	20,384
Net Income (Loss) Attributable to Parent	$ 149,663	$ 98,115
Basic earnings per common share:
Net earnings	$ 6.41	$ 4.08
Weighted average number of common shares	23,365,077	24,027,833
Diluted earnings per common share:
Net earnings	$ 6.32	$ 4.03
Weighted average number of common and common equivalent shares	23,685,665	24,353,477
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 172,844	$ 74,087
Product [Member]
Cost of Goods and Services Sold	245,270	191,623
Revenues	626,915	489,334
Service [Member]
Cost of Goods and Services Sold	87,424	83,130
Revenues	$ 177,475	$ 159,828