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Revenue Recognition (Tables)
9 Months Ended
Aug. 31, 2021
Revenue from Contract with Customer [Abstract]  
Revenue from External Customers by Products and Services
Our revenues are derived from licensing our products, and from related services, which consist of maintenance, hosting services, and consulting and education. Information relating to revenue from external customers by revenue type is as follows (in thousands):
 
Three Months EndedNine Months Ended
(In thousands)August 31, 2021August 31, 2020August 31, 2021August 31, 2020
Performance obligations transferred at a point in time:
Software licenses$51,930 $27,514 $115,354 $77,806 
Performance obligations transferred over time:
Maintenance82,875 72,764 239,921 214,506 
Services12,612 9,421 35,910 27,453 
Total revenue$147,417 $109,699 $391,185 $319,765 
Revenue from External Customers from Different Geographical Areas
In the following table, revenue attributed to North America includes sales to customers in the U.S. and sales to certain multinational organizations. Revenue from EMEA, Latin America and the Asia Pacific region includes sales to customers in each region plus sales from the U.S. to distributors in these regions. Information relating to revenue from external customers from different geographical areas is as follows (in thousands):
 
Three Months EndedNine Months Ended
(In thousands)August 31, 2021August 31, 2020August 31, 2021August 31, 2020
North America$93,880 $62,927 $236,479 $184,904 
EMEA40,999 37,447 122,560 106,592 
Latin America5,298 3,547 12,544 10,893 
Asia Pacific7,240 5,778 19,602 17,376 
Total revenue$147,417 $109,699 $391,185 $319,765 
Schedule of Contract with Customer, Asset and Liability
As of August 31, 2021, invoicing of our long-term unbilled receivables is expected to occur as follows (in thousands):
2022$4,710 
20238,329 
20242,717 
20251,493 
Total$17,249 
As of August 31, 2021, the changes in deferred revenue were as follows (in thousands):
Balance, December 1, 2020$193,295 
Billings and other400,910 
Revenue recognized(391,185)
Balance, August 31, 2021$203,020