Summary of Significant Accounting Policies - Other (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 28, 2019	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Accounting Policies [Abstract]
Reserve for inventory		inventory in excess of 12-month demand
Percentage of Revenue Mix Recognizable Over Time	85.00%
Advertising Expense		$ 8.4	$ 7.6	$ 7.4
Percentage of likelihood of tax benefit being realized upon effective settlement of audit		50.00%