Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets - Schedule of Intangible Assets (Detail)

v3.3.1.900
Goodwill and Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Feb. 02, 2015
Jan. 31, 2016
Jan. 31, 2015
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, Gross   $ 49,464 $ 50,219
Accumulated Amortization   (45,338) (42,905)
Finite-lived intangible assets, Net   $ 4,126 7,314
Customer Contracts [Member]      
Finite-Lived Intangible Assets [Line Items]      
Weighted average remaining life (Years) 7 years 6 years  
Finite-lived intangible assets, Gross   $ 29,956 30,397
Accumulated Amortization   (26,284) (24,160)
Finite-lived intangible assets, Net   3,672 6,237
Non-Compete Agreements [Member]      
Finite-Lived Intangible Assets [Line Items]      
Weighted average remaining life (Years) 2 years    
Finite-lived intangible assets, Gross   2,365 2,433
Accumulated Amortization   $ (2,365) (2,433)
Completed Technology [Member]      
Finite-Lived Intangible Assets [Line Items]      
Weighted average remaining life (Years)   5 years 6 months  
Finite-lived intangible assets, Gross   $ 10,075 10,307
Accumulated Amortization   (9,621) (9,230)
Finite-lived intangible assets, Net   454 1,077
Trade Names, Intellectual Property And Other [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, Gross   7,068 7,082
Accumulated Amortization   $ (7,068) $ (7,082)