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Acquisition-Related Intangible Assets, Net (Schedule of Future Amortization Expense) (Detail) - Acquired Intangible Assets - USD ($)
$ in Thousands
Jan. 31, 2022
Jan. 31, 2021
Finite-Lived Intangible Assets, Net, Amortization Expense, Rolling Maturity [Abstract]    
2023 $ 85,536  
2024 74,319  
2025 61,663  
2026 55,748  
2027 31,177  
Thereafter 82,559  
Total $ 391,002 $ 248,626