Basis of Presentation - Additional Information (Details)	9 Months Ended
	Jun. 29, 2019 USD ($) wk
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Limited partner interest in the Operating Partnership (in hundredths)	100.00%
Minimum number of weeks in the fiscal year reporting calendar	52
Maximum number of weeks in the fiscal year reporting calendar	53
Minimum number of weeks in a fiscal quarter	13
Maximum number of weeks in a fiscal quarter	14
Remaining or unsatisfied performance obligations | $	$ 0
Tank Rent and Maintenance Service [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Revenue recognition, recognition period	1 year