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Acquisitions Equity Method Investments (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 30, 2019
Jun. 29, 2019
Schedule of Equity Method Investments [Line Items]    
Document Period End Date   Jun. 29, 2019
MTD [Member]    
Schedule of Equity Method Investments [Line Items]    
Equity Method Investment, Ownership Percentage 20.00%  
Payments to Acquire Equity Method Investments $ 234