Variable Interest Entities (Details) $ in Millions	Sep. 25, 2015 USD ($)
Variable Interest Entity [Line Items]
Variable interest entity, total assets	$ 35.6
Variable interest entity, total liabilities	5.7
Variable interest entity, long-term debt	1.7
Standby Letters of Credit [Member]
Variable Interest Entity [Line Items]
Letter of credit facility, amount applied to guarantee VIE debt	$ 1.7