Annual report pursuant to Section 13 and 15(d)

Long - Term Debt - Additional Information (Detail)

v2.4.0.8
Long - Term Debt - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 12 Months Ended
Sep. 30, 2013
Dec. 28, 2013
Dec. 29, 2012
Debt Instrument [Line Items]      
Redemption price percentage   100.00%  
Capital lease, expiration dates   2021  
Assets under capital lease   $ 47.6 $ 42.7
Accumulated amortization of assets under capital lease   24.1 18.9
Capital Lease Obligations
      
Debt Instrument [Line Items]      
Effective annual interest rate   5.06%  
6.00% notes, due 2033
      
Debt Instrument [Line Items]      
Maturity date, notes   2033 2033
Cross - acceleration trigger   50.0  
Long - term debt, face amount   300.0  
Effective annual interest rate   6.19%  
5.95% Notes, Due 2017
      
Debt Instrument [Line Items]      
Maturity date, notes   2017 2017
Cross - acceleration trigger   100.0  
Repurchase obligation percentage   101.00%  
Additional Basis point   0.20%  
3.5% notes, due 2021
      
Debt Instrument [Line Items]      
Maturity date, notes   2021 2021
Cross - acceleration trigger   100.0  
Repurchase obligation percentage   101.00%  
Redemption price percentage   100.00%  
Additional Basis point   0.20%  
Long - term debt, face amount   500.0  
Effective annual interest rate   4.69%  
6.45% Notes, Due 2037
      
Debt Instrument [Line Items]      
Maturity date, notes   2037 2037
Cross - acceleration trigger   $ 100.0  
Repurchase obligation percentage   101.00%  
Additional Basis point   0.25%  
Floating rate notes, due 2013
      
Debt Instrument [Line Items]      
Additional interest 0.75%    
Maturity date, notes   2013 2013