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| 0000890564-23-000004.txt | 2023-02-24 17:34:05 | |
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| asgn-20221231.htm | 1761666 | 2023-02-24 17:34:05 |
| asgn-20221231.xsd | 46400 | 2023-02-24 17:34:05 |
| asgn-20221231_cal.xml | 92258 | 2023-02-24 17:34:05 |
| asgn-20221231_def.xml | 229196 | 2023-02-24 17:34:05 |
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| asgn-20221231_htm.xml | 1537970 | 2023-02-24 17:34:05 |
| asgn-20221231_lab.xml | 650206 | 2023-02-24 17:34:05 |
| asgn-20221231_pre.xml | 424084 | 2023-02-24 17:34:05 |
| ex211subsoftheregistrant20.htm | 2628 | 2023-02-24 17:34:05 |
| ex231consent2022.htm | 2359 | 2023-02-24 17:34:05 |
| ex311ceocertification30220.htm | 9220 | 2023-02-24 17:34:05 |
| ex312cfocertification30220.htm | 9832 | 2023-02-24 17:34:05 |
| ex321certificationofceo906.htm | 5076 | 2023-02-24 17:34:05 |
| ex322certificationofcfo906.htm | 4985 | 2023-02-24 17:34:05 |
| ex46supplementalindenturen.htm | 20596 | 2023-02-24 17:34:05 |
| FilingSummary.xml | 40527 | 2023-02-24 17:34:05 |
| Financial_Report.xlsx | 105462 | 2023-02-24 17:34:05 |
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| report.css | 2767 | 2023-02-24 17:34:05 |
| Show.js | 1085 | 2023-02-24 17:34:05 |