Summary of Significant Accounting Policies - Additional Information (Details1) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2018-12-30 $ in Millions	Dec. 29, 2018 USD ($)
Disclosure Summary Of Significant Accounting Policies [Line Items]
Deferred revenue balance expected to be recognized over next 12 months	$ 1.6
Deferred revenue balance expected to be recognized over a period	12 months