Annual report pursuant to Section 13 and 15(d)

Other Intangible Assets - Additional Information (Detail)

v2.4.0.8
Other Intangible Assets - Additional Information (Detail) (USD $)
12 Months Ended 12 Months Ended
Sep. 27, 2014
Sep. 28, 2013
Sep. 29, 2012
Sep. 27, 2014
Minimum [Member]
Sep. 27, 2014
Maximum [Member]
Sep. 27, 2014
Marketing-Related Intangible Assets [Member]
Jun. 28, 2014
Marketing-Related Intangible Assets [Member]
Envincio, LLC [Member]
Sep. 27, 2014
Customer-Related Intangible Assets [Member]
Sep. 27, 2014
Other Acquired Intangible Assets [Member]
Jun. 28, 2014
Other Acquired Intangible Assets [Member]
Envincio, LLC [Member]
Finite-Lived Intangible Assets [Line Items]                    
Intangible assets acquired             $ 3,000,000     $ 9,300,000
Weighted average remaining lives of acquired intangible assets       1 year 25 years 8 years   15 years 14 years  
Amortization expense for intangibles 4,300,000 5,100,000 5,600,000              
Estimated annual amortization expense related to acquired intangible assets, 2015       4,000,000 5,000,000          
Estimated annual amortization expense related to acquired intangible assets, 2016       4,000,000 5,000,000          
Estimated annual amortization expense related to acquired intangible assets, 2017       4,000,000 5,000,000          
Estimated annual amortization expense related to acquired intangible assets, 2018       4,000,000 5,000,000          
Estimated annual amortization expense related to acquired intangible assets, 2019       4,000,000 5,000,000          
Indefinite-lived intangibles assets, impairment charge $ 0 $ 0 $ 0