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
 6 Months Ended
Jul. 31, 2016
USD ($)
Restructuring Cost and Reserve [Line Items]  
Restructuring charges incurred $ 1,907
Cash payments (1,501)
Other charges (2)
Accrual balance at the ending of the period 404
Employee-Related Benefits [Member]  
Restructuring Cost and Reserve [Line Items]  
Restructuring charges incurred 1,586
Cash payments (1,385)
Other charges (2)
Accrual balance at the ending of the period 199
Closure of Leased Facilities [Member]  
Restructuring Cost and Reserve [Line Items]  
Restructuring charges incurred 321
Cash payments (116)
Accrual balance at the ending of the period $ 205