v3.5.0.2
Summary of Corrections and Effect on Net Cash Used in Operating Activities and Net Cash Provided by Investing Activities (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Apr. 30, 2016
Jul. 30, 2016
Aug. 01, 2015
Cash Flows from Operating Activities      
Depreciation and amortization $ 27,114 $ 53,980 $ 51,811
Prepaid expenses and other assets (15,693) 9,035 (11,328)
Net cash provided by (used in) operating activities (658,024) (598,742) 85,452
Cash Flows from Investing Activities      
Sales of available-for-sale securities 272,271 339,837 301,896
Purchases of property and equipment (11,868) 24,377 24,320
Net cash provided by investing activities 210,776 125,420 (136,604)
Net cash used in financing activities (50,710) (86,106) (232,295)
Net decrease in cash and cash equivalents (497,958) $ (559,428) $ (283,447)
As Reported      
Cash Flows from Operating Activities      
Depreciation and amortization 21,788    
Prepaid expenses and other assets 38,056    
Net cash provided by (used in) operating activities (609,601)    
Cash Flows from Investing Activities      
Sales of available-for-sale securities 218,522    
Purchases of property and equipment (6,542)    
Net cash provided by investing activities 162,353    
Net cash used in financing activities (50,710)    
Net decrease in cash and cash equivalents (497,958)    
Adjustment      
Cash Flows from Operating Activities      
Depreciation and amortization 5,326    
Prepaid expenses and other assets (53,749)    
Net cash provided by (used in) operating activities (48,423)    
Cash Flows from Investing Activities      
Sales of available-for-sale securities 53,749    
Purchases of property and equipment (5,326)    
Net cash provided by investing activities $ 48,423