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Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 31, 2019 | Oct. 31, 2018 | [2] | Oct. 31, 2019 | Oct. 31, 2018 | [2]
Cash paid for amounts included in the measurement of lease liabilities |  |  |  |  |  |  |
Operating cash flows for operating leases |  | $ 11,562 |  |  | $ 35,053 |  |
Operating cash flows for finance leases |  | 802 |  |  | 2,531 |  |
Financing cash flows for finance leases |  | 7,055 | [1] | $ 4,290 | 26,200 | [1] | $ 17,192
Right-of-use assets obtained in exchange of lease obligations |  |  |  |  |  |  |
Operating leases | [3] | 1,016 |  |  | 230,371 |  |
Finance leases |  | $ 40,530 | [1],[3] | $ 9,230 | $ 84,950 | [1],[3] | $ 27,751
[1] | As reported and disclosed under ASC Topic 842
[2] | As reported and disclosed under ASC Topic 840
[3] | Includes the adoption impact of ASC Topic 842 on the opening balance sheet as of February 1, 2019 as disclosed in Note 1.

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- Definition Amount of cash outflow for principal payment on finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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