Quarterly report pursuant to Section 13 or 15(d)

Acquisition of TLL, LLC - Summary of Preliminary Allocation of Purchase Price (Detail)

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Acquisition of TLL, LLC - Summary of Preliminary Allocation of Purchase Price (Detail) - USD ($)
$ in Thousands
6 Months Ended
Feb. 02, 2015
Jul. 31, 2015
Jan. 31, 2015
Fair value of consideration:      
Cash, net of cash acquired   $ 11,686  
Contingent consideration   1,487  
Fair value of assets acquired and liabilities assumed:      
Goodwill   57,632 $ 41,008
Timeline Labs [Member]      
Fair value of consideration:      
Cash, net of cash acquired $ 14,186    
Closing stock consideration 3,019    
Deferred stock consideration 6,543    
Contingent consideration 509 $ 1,000  
Total purchase price 24,257    
Fair value of assets acquired and liabilities assumed:      
Current assets 249    
Other long-term assets 108    
Finite-life intangible assets 6,720    
Goodwill 17,246    
Current liabilities (66)    
Allocated purchase price $ 24,257