Other Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 26, 2016	Mar. 28, 2015	Mar. 26, 2016	Mar. 28, 2015	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	$ 1.2	$ 1.0	$ 2.2	$ 1.9
Estimated annual amortization expense related to acquired intangible assets, 2016	4.0		4.0
Estimated annual amortization expense related to acquired intangible assets, 2017	4.0		4.0
Estimated annual amortization expense related to acquired intangible assets, 2018	4.0		4.0
Estimated annual amortization expense related to acquired intangible assets, 2019	4.0		4.0
Estimated annual amortization expense related to acquired intangible assets, 2020	$ 4.0		$ 4.0
Minimum
Finite-Lived Intangible Assets [Line Items]
Weighted average remaining lives of acquired intangible assets	1 year
Maximum
Finite-Lived Intangible Assets [Line Items]
Weighted average remaining lives of acquired intangible assets	25 years
Marketing-Related Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Weighted average remaining lives of acquired intangible assets	6 years
Customer-Related Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Weighted average remaining lives of acquired intangible assets	14 years
Other Acquired Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Weighted average remaining lives of acquired intangible assets	14 years