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Revenues by Product (Tables)
 9 Months Ended
Oct. 31, 2022
Revenue from Contract with Customer [Abstract]  
Summary of Total Revenues
Total revenues consist of the following (in thousands):
Three months ended October 31,Nine months ended October 31,
2022202120222021
Subscription services
Commercial Solutions$239,276 $223,183 $703,356 $649,156 
R&D Solutions202,293 157,555 569,494 439,137 
Total subscription services$441,569 $380,738 $1,272,850 $1,088,293 
Professional services
Commercial Solutions$45,283 $41,675 $133,027 $124,241 
R&D Solutions65,499 53,698 185,794 152,744 
Total professional services$110,782 $95,373 $318,821 $276,985 
Total revenues$552,351 $476,111 $1,591,671 $1,365,278