Annual report pursuant to Section 13 and 15(d)

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

v3.19.1
Severance and Restructuring Costs - Activity in Accrued Restructuring Liability (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2019
Jan. 31, 2018
Restructuring Cost and Reserve [Line Items]    
Accrual balance at the beginning of the period $ 225 $ 1,023
Restructuring charges incurred 1,608 4,156
Cash payments (1,172) (4,982)
Other charges (8) 28
Accrual balance at the ending of the period 653 225
Employee-Related Benefits [Member]    
Restructuring Cost and Reserve [Line Items]    
Accrual balance at the beginning of the period 61 785
Restructuring charges incurred 1,565 2,973
Cash payments (965) (3,733)
Other charges (8) 36
Accrual balance at the ending of the period 653 61
Closure of Leased Facilities [Member]    
Restructuring Cost and Reserve [Line Items]    
Accrual balance at the beginning of the period 135 130
Restructuring charges incurred 7 796
Cash payments (142) (783)
Other charges   (8)
Accrual balance at the ending of the period   135
Other Restructuring [Member]    
Restructuring Cost and Reserve [Line Items]    
Accrual balance at the beginning of the period 29 108
Restructuring charges incurred 36 387
Cash payments $ (65) (466)
Accrual balance at the ending of the period   $ 29