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Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Dec. 31, 2021
Accounting Policies [Abstract] |
Restrictions on Cash and Cash Equivalents | The following table provides a reconciliation of the total cash, cash equivalents and restricted cash reported on the Condensed Consolidated Balance Sheets to the corresponding amounts reported on the Condensed Consolidated Statements of Cash Flows.
|  | December 31, 2021 |  | December 31, 2020
Cash and cash equivalents |  | $ | 334 |  |  | $ | 416 |
Restricted cash |  | 24 |  |  | 30 |
Cash, cash equivalents and restricted cash |  | $ | 358 |  |  | $ | 446 |
Schedule of Cash and Cash Equivalents | The following table provides a reconciliation of the total cash, cash equivalents and restricted cash reported on the Condensed Consolidated Balance Sheets to the corresponding amounts reported on the Condensed Consolidated Statements of Cash Flows.
|  | December 31, 2021 |  | December 31, 2020
Cash and cash equivalents |  | $ | 334 |  |  | $ | 416 |
Restricted cash |  | 24 |  |  | 30 |
Cash, cash equivalents and restricted cash |  | $ | 358 |  |  | $ | 446 |
Shares Used in Computing Basic and Diluted Earnings Per Share | Shares used in computing basic and diluted earnings per share are as follows:
|  |  |  | Three Months Ended December 31,
|  |  |  |  |  | 2021 |  | 2020
Denominator (thousands of shares): |  |  |  |  |  |  |  |
Weighted-average common shares outstanding — basic |  |  |  |  |  | 209,673 |  |  | 208,774 |
Incremental shares issuable for stock options, common stock awards and Equity Units (a) |  |  |  |  |  | — |  |  | 866 |
Weighted-average common shares outstanding — diluted |  |  |  |  |  | 209,673 |  |  | 209,640 |
(a)For the three months ended December 31, 2021, 6,486 of such shares have been excluded as these incremental shares would be antidilutive due to the net loss for the period. For the three months ended December 31, 2021 and 2020, there were 3,347 and 6,000 shares, respectively, associated with outstanding stock option awards that were not included in the computation of diluted earnings per share above because their effect was antidilutive.

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