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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Apr. 01, 2017
Apr. 02, 2016
Apr. 01, 2017
Apr. 02, 2016
Jul. 02, 2016
Income Tax Disclosure [Abstract]          
(Benefit from) provision for income taxes $ 4.3 $ 9.9 $ 15.8 $ 13.9  
Valuation Allowance [Line Items]          
Increase in valuation allowance due to Separation       8.9  
Unrecognized tax benefits 42.1   42.1   $ 41.7
Interest and penalties accrued 2.3   2.3    
Unrecognized tax benefits that may be recognized during the next twelve months $ 1.0   $ 1.0    
Continuing operations          
Valuation Allowance [Line Items]          
Tax benefit from discontinued operations   $ 7.6   $ 14.6