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Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2021
Disclosure of significant accounting policies [text block] [Abstract]  
Schedule of revenue by products and services
   Year ended December 31, 
   2021   2020   2019 
Proprietary software and related services  $632,986   $509,109   $438,256 
Other products and third party   472,045    312,315    229,104 
Services   1,299,345    1,112,494    1,033,755 
   $2,404,376   $1,933,918   $1,701,115 

 
Schedule of revenue by timing of revenue recognition
   Year ended December 31, 
   2021   2020   2019 
Products and services transferred over time  $2,072,841   $1,697,312   $1,518,221 
Products transferred at a point in time   331,535    236,606    182,894 
   $2,404,376   $1,933,918   $1,701,115 

 
Schedule of amortization periods of the right-of-use assets
   Years   Mainly 
Land and Buildings  2-23   3 
Motor vehicles  2-3   3 

 
Schedule of useful life of the assets at annual rates
    % 
Land and Buildings   2 - 4 
Computers, software, and peripheral equipment   20 - 33 
Office furniture and equipment   6 - 33 (mainly 7) 
Motor vehicles   14 - 15 (mainly 15) 

 
Schedule of useful life of intangible assets
   Years 
Customer relationship, backlog and distribution rights  3 – 15 
Brand names  9 – 15 
Acquired technology  2 – 8 
Patents  10