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Income Taxes - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 26, 2021
Jun. 26, 2022
Jun. 27, 2021
Jun. 28, 2020
Jun. 30, 2019
Operating Loss Carryforwards [Line Items]          
Valuation allowance of deferred tax assets   $ 339.2 $ 414.4    
Income tax expense (benefit)   9.0 1.1 $ (8.0)  
Foreign net operating loss carryforward   2.4      
Federal net operating loss carryforward   1,500.0      
State net operating loss carryforwards   313.4      
Unrecognized tax benefits   7.2 7.4 7.4 $ 8.2
Increase (decrease) in unrecognized tax benefits   (0.2)      
Estimated change in gross unrecognized tax benefits   0.4      
Interest and penalties expense related to unrecognized tax benefits (less than)   0.1 0.1 $ 0.1  
Interest and penalties accrued related to unrecognized tax benefits (less than)   0.1      
Undistributed earnings of foreign subsidiaries   206.3      
Undistributed earnings of foreign subsidiaries expected to be repatriated   190.3      
Foreign income taxes incurred   7.4      
Undistributed foreign earnings on which income taxes have not been provided   16.0      
Income tax expense (benefit) if foreign earnings are repatriated   0.3      
Domestic Tax Authority          
Operating Loss Carryforwards [Line Items]          
Valuation allowance of deferred tax assets     292.6    
Increase (decrease) in valuation allowance of operating loss carryforward   46.6      
Tax credit carryforward   83.9      
Foreign Tax Authority          
Operating Loss Carryforwards [Line Items]          
Valuation allowance of deferred tax assets     $ 121.8    
Deferred tax assets $ 121.8        
Valuation allowance of net operating loss carryforwards   0.1      
Net operating loss carryforward not subject to expiration   2.4      
Foreign Tax Authority | Luxembourg Holding Company          
Operating Loss Carryforwards [Line Items]          
Income tax expense (benefit) 7.3        
Decrease in valuation allowance $ 129.1        
State and Local Jurisdiction          
Operating Loss Carryforwards [Line Items]          
Tax credit carryforward   $ 1.2