v3.19.2
Goodwill and Acquired Intangible Assets, Net - Net Carrying Amounts and Weighted Average Amortization Period (Details) - USD ($)
$ in Thousands
6 Months Ended
Aug. 03, 2019
Aug. 04, 2018
Feb. 02, 2019
Acquired Indefinite-lived Intangible Assets [Line Items]      
IPR&D $ 388,000   $ 513,000
Acquired Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Amounts 2,356,000   2,231,000
Accumulated Amortization (344,025)   (183,318)
Net Carrying Amounts $ 2,011,975   2,047,682
Weighted average remaining amortization period (years) 6 years 11 months 12 days 7 years 4 months 2 days  
Gross Carrying Amounts, Total acquired intangible assets $ 2,744,000   2,744,000
Accumulated Amortization (344,025)   (183,318)
Net Carrying Amounts, Total acquired intangible assets 2,399,975   2,560,682
Developed technologies      
Acquired Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Amounts 1,868,000   1,743,000
Accumulated Amortization (255,206)   (134,167)
Net Carrying Amounts $ 1,612,794   1,608,833
Weighted average remaining amortization period (years) 6 years 9 months 7 years 1 month 6 days  
Accumulated Amortization $ (255,206)   (134,167)
Customer contracts and related relationships      
Acquired Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Amounts 465,000   465,000
Accumulated Amortization (82,850)   (45,939)
Net Carrying Amounts $ 382,150   419,061
Weighted average remaining amortization period (years) 7 years 11 months 1 day 8 years 5 months 1 day  
Accumulated Amortization $ (82,850)   (45,939)
Trade names      
Acquired Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Amounts 23,000   23,000
Accumulated Amortization (5,969)   (3,212)
Net Carrying Amounts $ 17,031   19,788
Weighted average remaining amortization period (years) 3 years 4 months 24 days 3 years 10 months 6 days  
Accumulated Amortization $ (5,969)   $ (3,212)