Annual report pursuant to Section 13 and 15(d)

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

v3.20.1
Severance and Restructuring Costs - Activity in Accrued Restructuring Liability (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2020
Jan. 31, 2019
Restructuring Cost and Reserve [Line Items]    
Accrual balance at the beginning of the period $ 653 $ 225
Restructuring charges incurred 3,367 1,608
Cash payments (3,142) (1,172)
Other charges (134) (8)
Accrual balance at the ending of the period 744 653
Employee-Related Benefits [Member]    
Restructuring Cost and Reserve [Line Items]    
Accrual balance at the beginning of the period 653 61
Restructuring charges incurred 2,995 1,565
Cash payments (2,877) (965)
Other charges (27) (8)
Accrual balance at the ending of the period 744 653
Closure of Leased Facilities [Member]    
Restructuring Cost and Reserve [Line Items]    
Accrual balance at the beginning of the period   135
Restructuring charges incurred 113 7
Cash payments (6) (142)
Other charges (107)  
Other Restructuring [Member]    
Restructuring Cost and Reserve [Line Items]    
Accrual balance at the beginning of the period   29
Restructuring charges incurred 259 36
Cash payments $ (259) $ (65)