| Estimated Amortization Expense (Detail) (USD $) In Millions, unless otherwise specified | Sep. 28, 2013 | 
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| Schedule Of Estimated Future Amortization Expense [Line Items] | |
| Estimated amortization expense, 2013 | $ 45.8 | 
| Estimated amortization expense, 2014 | 44.1 | 
| Estimated amortization expense, 2015 | 42.1 | 
| Estimated amortization expense, 2016 | 40.8 | 
| Estimated amortization expense, 2017 | $ 39.5 | 
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- Definition Amount of amortization expense expected to be recognized during the next fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of amortization expense expected to be recognized during the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of amortization expense expected to be recognized during the fourth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of amortization expense expected to be recognized during the third fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of amortization expense expected to be recognized during the second fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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