Quarterly report pursuant to Section 13 or 15(d)

Other Intangible Assets - Narrative (Details)

v3.8.0.1
Other Intangible Assets - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended
Dec. 30, 2017
Dec. 24, 2016
Finite-Lived Intangible Assets [Line Items]    
Amortization expense for intangibles $ 2.3 $ 1.4
2018 estimated annual amortization expense related to acquired intangible assets 8.0  
2019 estimated annual amortization expense related to acquired intangible assets 8.0  
2020 estimated annual amortization expense related to acquired intangible assets 8.0  
2021 estimated annual amortization expense related to acquired intangible assets 8.0  
2022 estimated annual amortization expense related to acquired intangible assets $ 8.0  
Marketing-related intangible assets    
Finite-Lived Intangible Assets [Line Items]    
Weighted average remaining lives of acquired intangible assets 4 years  
Customer-related intangible assets    
Finite-Lived Intangible Assets [Line Items]    
Weighted average remaining lives of acquired intangible assets 10 years  
Other acquired intangible assets    
Finite-Lived Intangible Assets [Line Items]    
Weighted average remaining lives of acquired intangible assets 11 years  
Minimum    
Finite-Lived Intangible Assets [Line Items]    
Weighted average remaining lives of acquired intangible assets 3 years  
Maximum    
Finite-Lived Intangible Assets [Line Items]    
Weighted average remaining lives of acquired intangible assets 25 years