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Income Taxes - Effective Income Tax Rate Reconciliation (Details)
3 Months Ended 9 Months Ended
Mar. 27, 2019
Mar. 28, 2018
Mar. 27, 2019
Mar. 28, 2018
Effective Income Tax Rate Reconciliation [Line Items]        
Effective income tax rate 10.30% 20.40% 11.70% 28.70%