Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Schedule of Intangible Assets (Detail)

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Summary of Significant Accounting Policies - Schedule of Intangible Assets (Detail)
 12 Months Ended
Feb. 02, 2015
Jan. 31, 2016
Customer Contracts [Member]    
Finite Lived And Indefinite Lived Intangible Assets [Line Items]    
Identified intangible assets, Useful life 7 years 6 years
Non-Compete Agreements [Member]    
Finite Lived And Indefinite Lived Intangible Assets [Line Items]    
Identified intangible assets, Useful life 2 years  
Completed Technology [Member]    
Finite Lived And Indefinite Lived Intangible Assets [Line Items]    
Identified intangible assets, Useful life   5 years 6 months
Minimum [Member] | Customer Contracts [Member]    
Finite Lived And Indefinite Lived Intangible Assets [Line Items]    
Identified intangible assets, Useful life   1 year
Minimum [Member] | Non-Compete Agreements [Member]    
Finite Lived And Indefinite Lived Intangible Assets [Line Items]    
Identified intangible assets, Useful life   2 years
Minimum [Member] | Completed Technology [Member]    
Finite Lived And Indefinite Lived Intangible Assets [Line Items]    
Identified intangible assets, Useful life   4 years
Minimum [Member] | Trademarks Intellectual Property And Other [Member]    
Finite Lived And Indefinite Lived Intangible Assets [Line Items]    
Identified intangible assets, Useful life   5 years
Maximum [Member] | Customer Contracts [Member]    
Finite Lived And Indefinite Lived Intangible Assets [Line Items]    
Identified intangible assets, Useful life   8 years
Maximum [Member] | Non-Compete Agreements [Member]    
Finite Lived And Indefinite Lived Intangible Assets [Line Items]    
Identified intangible assets, Useful life   3 years
Maximum [Member] | Completed Technology [Member]    
Finite Lived And Indefinite Lived Intangible Assets [Line Items]    
Identified intangible assets, Useful life   6 years
Maximum [Member] | Trademarks Intellectual Property And Other [Member]    
Finite Lived And Indefinite Lived Intangible Assets [Line Items]    
Identified intangible assets, Useful life   7 years