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Employee Benefits | 12 Months Ended
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Sep. 30, 2021
Compensation And Retirement Disclosure [Abstract] |
Employee Benefits | 14. Employee Benefits The Company’s U.S. employees are participants in the Geospace Technologies Corporation’s Employee’s 401(k) Retirement Plan (the “Plan”), which covers substantially all eligible employees in the United States. The Plan is a qualified salary reduction plan in which all eligible participants may elect to have a percentage of their compensation contributed to the Plan, subject to certain guidelines issued by the Internal Revenue Service. The Company’s share of discretionary matching contributions was approximately $0.9 million and $0.8 million in fiscal years 2021 and 2020, respectively. The Company’s stock incentive plans in which key employees may participate are discussed in Note 15 to these consolidated financial statements.

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