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Summary of Significant Accounting Policies (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2013
Jun. 24, 2012
Jun. 30, 2013
Jun. 24, 2012
Dec. 30, 2012
Significant Accounting Policies Disclosure [Line Items]          
Fiscal year duration     52 weeks   53 weeks
First quarter duration   13 weeks 13 weeks    
Accured interest reclassified out of accrued expenses to a discrete line item     $ (0.3) $ 0  
Commission expense reclassified out of Product Sales to Selling, General and Administrative Expense $ 48.0 $ 42.6 $ 97.1 $ 86.4  
Minimum
         
Significant Accounting Policies Disclosure [Line Items]          
Fiscal year duration     52 weeks    
Maximum
         
Significant Accounting Policies Disclosure [Line Items]          
Fiscal year duration     53 weeks