UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Aug. 03, 2019 |
Aug. 04, 2018 |
Aug. 03, 2019 |
Aug. 04, 2018 |
|
| Statement of Comprehensive Income [Abstract] | ||||
| Net income (loss) | $ (57,331) | $ 6,759 | $ (105,781) | $ 135,371 |
| Other comprehensive income (loss), net of tax: | ||||
| Net change in unrealized gain (loss) on marketable securities | 0 | 2,404 | 0 | 2,322 |
| Other comprehensive income (loss), net of tax | 0 | 2,404 | 0 | 2,322 |
| Comprehensive income (loss), net of tax | $ (57,331) | $ 9,163 | $ (105,781) | $ 137,693 |
| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities, attributable to parent entity. Excludes amounts related to other than temporary impairment (OTTI) loss. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount after tax of other comprehensive income (loss) attributable to parent entity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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