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| 0000899866-20-000086-index.html | 2020-10-29 06:49:05 | |
| 0000899866-20-000086.txt | 2020-10-29 06:49:05 | |
 0000899866-20-000086-xbrl.zip | 35976 | 2020-10-29 06:49:05 |
 a2016earningsreleaseimageaa.jpg | 12335 | 2020-10-29 06:49:05 |
| alxn-20201029.htm | 35377 | 2020-10-29 06:49:05 |
| alxn-20201029.xsd | 2452 | 2020-10-29 06:49:05 |
| alxn-20201029_cal.xml | 741 | 2020-10-29 06:49:05 |
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| alxn-20201029_htm.xml | 10827 | 2020-10-29 06:49:05 |
| alxn-20201029_lab.xml | 24275 | 2020-10-29 06:49:05 |
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| earningsreleaseq32020.htm | 399012 | 2020-10-29 06:49:05 |
| FilingSummary.xml | 1759 | 2020-10-29 06:49:05 |
| Financial_Report.xlsx | 5469 | 2020-10-29 06:49:05 |
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| R1.htm | 38630 | 2020-10-29 06:49:05 |
| report.css | 2767 | 2020-10-29 06:49:05 |
| Show.js | 1085 | 2020-10-29 06:49:05 |