XML 92 R76.htm IDEA: XBRL DOCUMENT v3.20.4
Major Customers (Schedule Of Sales To Largest Customers) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Entity Wide Revenue Major Customer [Line Items]      
Revenue from Contract with Customer, Excluding Assessed Tax $ 2,130,240 $ 2,346,809 $ 2,635,231
Applied Materials, Inc. [Member]      
Entity Wide Revenue Major Customer [Line Items]      
Revenue from Contract with Customer, Excluding Assessed Tax $ 241,522    
International Business Machines Corporation [Member]      
Entity Wide Revenue Major Customer [Line Items]      
Revenue from Contract with Customer, Excluding Assessed Tax     $ 323,795