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Commitments and Contingencies (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended 3 Months Ended 0 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Mar. 30, 2013
Mar. 31, 2012
Jun. 30, 2012
Mar. 30, 2013
Minimum
Mar. 30, 2013
Maximum
Apr. 02, 2012
Pennsylvania legal matter
Changes in warranty reserve                
Balance as of beginning of period $ 6.8 $ 7.5 $ 8.1 $ 7.9        
Provision for warranty 1.0 2.1 3.9 6.9        
Utilization of reserve (0.3) (1.5) (1.7) (6.1)        
Adjustments related to pre-existing warranties (including changes in estimates) (0.7) (0.4) (3.5) (1.0)        
Present value of guarantee obligation 0   0   0      
Balance as of end of period 6.8 7.7 6.8 7.7        
Tax Matters                
Audit settled in tax and interest 0.1   0.1          
Range of estimated potential tax liability           0 34.2  
Product Warranties                
Warranty Term for most products           3 months 1 year  
Legal Proceedings                
Settlement value               $ 7.9