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Income Taxes - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended
Dec. 29, 2019
Jun. 30, 2019
Operating Loss Carryforwards [Line Items]    
Unrecognized tax benefits $ 8.2 $ 8.2
Increase (decrease) in unrecognized tax benefits during the period 0.0  
Estimated change in gross unrecognized tax benefits 0.9  
Domestic Tax Authority    
Operating Loss Carryforwards [Line Items]    
Valuation allowance of deferred tax assets   177.6
Foreign Tax Authority    
Operating Loss Carryforwards [Line Items]    
Valuation allowance of deferred tax assets   $ 7.6
Increase (decrease) in valuation allowance of operating loss carryforward $ 2.8