Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
Severance and Other Restructuring Costs - Activity in Accrued Restructuring Liability (Detail)
$ in Thousands
 9 Months Ended
Oct. 31, 2016
USD ($)
Restructuring Cost and Reserve [Line Items]  
Restructuring charges incurred $ 4,588
Cash payments (3,402)
Other charges 0
Accrual balance at the ending of the period 1,186
Employee-Related Benefits [Member]  
Restructuring Cost and Reserve [Line Items]  
Restructuring charges incurred 3,868
Cash payments (2,946)
Other charges 0
Accrual balance at the ending of the period 922
Closure of Leased Facilities [Member]  
Restructuring Cost and Reserve [Line Items]  
Restructuring charges incurred 470
Cash payments (274)
Other charges 0
Accrual balance at the ending of the period 196
Other Restructuring [Member]  
Restructuring Cost and Reserve [Line Items]  
Restructuring charges incurred 250
Cash payments (182)
Other charges 0
Accrual balance at the ending of the period $ 68