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Summary of Long-lived Assets by Geographic Areas (Detail) - USD ($)
$ in Thousands
May 05, 2019
Apr. 29, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets $ 2,302,719 $ 1,133,688
US    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets 2,136,000 1,074,177
Non-US [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets $ 166,719 $ 59,511