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| 0000766421-21-000085-index.html | 2021-09-02 16:04:30 | |
| 0000766421-21-000085.txt | 2021-09-02 16:04:30 | |
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| alk-20210902.htm | 31411 | 2021-09-02 16:04:30 |
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| alk-20210902_pre.xml | 12647 | 2021-09-02 16:04:30 |
| FilingSummary.xml | 1643 | 2021-09-02 16:04:30 |
| Financial_Report.xlsx | 5689 | 2021-09-02 16:04:30 |
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| R1.htm | 39633 | 2021-09-02 16:04:30 |
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