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Leases (Tables) | 3 Months Ended
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Apr. 30, 2020
Leases [Abstract] |
Schedule of lease assets and liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Leases | ​ | Classification | ​ | April 30, 2020 | ​ | April 30, 2019 | ​ | January 31, 2020
​ | ​ | ​ | ​ | (In thousands)
Assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating | ​ | Operating lease assets | ​ | $ | 251,565 | ​ | $ | 320,169 | ​ | $ | 270,032
Total lease assets | ​ | ​ | ​ | $ | 251,565 | ​ | $ | 320,169 | ​ | $ | 270,032
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current operating | ​ | Current operating lease liabilities | ​ | $ | 63,632 | ​ | $ | 74,761 | ​ | $ | 63,166
Noncurrent operating | ​ | Noncurrent operating lease liabilities | ​ | ​ | 231,323 | ​ | ​ | 286,663 | ​ | ​ | 249,040
Total lease liabilities | ​ | ​ | ​ | $ | 294,955 | ​ | $ | 361,424 | ​ | $ | 312,206
Schedule of maturity of operating lease liabilities | ​
​ | ​ | ​ | ​
Year Ending January 31, | ​ | Amount
​ | ​ | (In thousands)
2021 | ​ | $ | 63,890
2022 | ​ | ​ | 76,088
2023 | ​ | ​ | 66,758
2024 | ​ | ​ | 52,732
2025 | ​ | ​ | 42,709
After 2025 | ​ | ​ | 58,068
Total lease payments | ​ | $ | 360,245
Less: Interest | ​ | ​ | 65,290
Present value of lease liabilities | ​ | $ | 294,955

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- Definition Tabular disclosure of lessee's leased assets & liabilities. + References No definition available. + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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