Quarterly report pursuant to Section 13 or 15(d)

Other Intangible Assets - Additional Information (Detail)

v3.3.1.900
Other Intangible Assets - Additional Information (Detail) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 26, 2015
Dec. 27, 2014
Sep. 26, 2015
Finite-Lived Intangible Assets [Line Items]      
Indefinite-lived intangible assets, impairment charge     $ 7.3
Fair value of indefinite-lived intangible assets exceeds carrying value     $ 15.0
Amortization expense for intangibles $ 1.0 $ 0.9  
Estimated annual amortization expense related to acquired intangible assets, 2016 4.0    
Estimated annual amortization expense related to acquired intangible assets, 2017 4.0    
Estimated annual amortization expense related to acquired intangible assets, 2018 4.0    
Estimated annual amortization expense related to acquired intangible assets, 2019 4.0    
Estimated annual amortization expense related to acquired intangible assets, 2020 $ 4.0    
Minimum [Member]      
Finite-Lived Intangible Assets [Line Items]      
Weighted average remaining lives of acquired intangible assets 1 year    
Maximum [Member]      
Finite-Lived Intangible Assets [Line Items]      
Weighted average remaining lives of acquired intangible assets 25 years    
Marketing-Related Intangible Assets [Member]      
Finite-Lived Intangible Assets [Line Items]      
Weighted average remaining lives of acquired intangible assets 6 years    
Customer-Related Intangible Assets [Member]      
Finite-Lived Intangible Assets [Line Items]      
Weighted average remaining lives of acquired intangible assets 14 years    
Other Acquired Intangible Assets [Member]      
Finite-Lived Intangible Assets [Line Items]      
Weighted average remaining lives of acquired intangible assets 14 years