Acquisitions - Narrative (Details) - Aggregate Information Relating to Acquisition of Businesses $ in Millions	1 Months Ended	12 Months Ended
Sep. 30, 2019 USD ($)	Aug. 29, 2020 USD ($) Business	Aug. 31, 2019 Business	Aug. 25, 2018 Business
Business Acquisition [Line Items]
Number of business acquired \| Business		8	6	9
Business acquisitions, aggregate purchase price \| $	$ 38.8	$ 41.3

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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