Income Taxes (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Dec. 28, 2014
Dec. 28, 2014
Jun. 29, 2014
Income Tax Disclosure [Abstract]      
U.S. statutory tax rate   35.00%  
Income Tax Benefit, Research and Development, Amount $ 1.9    
Unrecognized tax benefits balance 18.2 18.2 18.4
Unrecognized Tax Benefits, Period Increase (Decrease)   0.2  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 18.2 $ 18.2