Impairment, restructuring and other costs - Impairment of long-lived tangible assets (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 9 Months Ended |
|---|---|---|---|
Oct. 31, 2020 |
Aug. 01, 2020 |
Oct. 31, 2020 |
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| Long-lived asset impairment charges | |||
| Long-lived asset impairment charge | $ 40,428 | $ 69,932 | |
| Long-lived asset impairment charges, restructuring and other costs | $ 0 |
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- Definition Impairment of Long-Lived Assets Held-for-use, Excluding Restructuring and Other Costs No definition available.
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- References No definition available.
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- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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