Nature of Operations (Details) Customer in Thousands, $ in Millions		3 Months Ended
Dec. 29, 2020 USD ($) Customer county	Dec. 31, 2020 county
Business Acquisition [Line Items]
Number of counties of operation \| county		1
Mountaineer [Member] \| Pending
Business Acquisition [Line Items]
Number of counties of operation \| county	50
Enterprise value \| $	$ 540
Assumption of debt \| $	$ 140
Customers served \| Customer	215

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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