Annual report pursuant to Section 13 and 15(d)

Severance and Restructuring Costs - Activity in Accrued Restructuring Liability (Detail)

v3.21.1
Severance and Restructuring Costs - Activity in Accrued Restructuring Liability (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Restructuring Cost and Reserve [Line Items]    
Accrual balance at the beginning of the period $ 744 $ 653
Restructuring charges incurred 2 3,367
Cash payments (737) (3,142)
Other charges (9) (134)
Accrual balance at the ending of the period   744
Employee-Related Benefits [Member]    
Restructuring Cost and Reserve [Line Items]    
Accrual balance at the beginning of the period 744 653
Restructuring charges incurred 2 2,995
Cash payments (737) (2,877)
Other charges $ (9) (27)
Accrual balance at the ending of the period   744
Closure of Leased Facilities [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges incurred   113
Cash payments   (6)
Other charges   (107)
Other Restructuring [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges incurred   259
Cash payments   $ (259)