Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Severance and Restructuring Costs - Activity in Accrued Restructuring Liability (Detail) - Employee-Related Benefits [Member]
$ in Thousands
9 Months Ended
Oct. 31, 2020
USD ($)
Restructuring Cost and Reserve [Line Items]  
Accrual balance at the beginning of the period $ 744
Restructuring charges incurred 2
Cash payments (737)
Other charges $ (9)