Organization and Significant Accounting Policies - Cost of Goods Sold, Additional Information (Details)

v3.19.3

Organization and Significant Accounting Policies - Cost of Goods Sold, Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cost of shipping and handling included in selling, general and administrative expenses	$ 80.4	$ 70.1	$ 59.3