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Basis of Presentation (Policies)	6 Months Ended
Basis of Presentation (Policies)	Jul. 31, 2021
Basis of Presentation [Abstract]
Reclassification	Reclassification We reclassified our fiscal 2020 Condensed Consolidated Statement of Cash Flows to conform with current period presentation. To adjust our net loss to reconcile to operating activity cash flows, we present depreciation and amortization separate from other, net, which includes the “make-whole” premium in the first quarter of 2021 (see Note 3: Debt and Credit Facilities).
Recent Accounting Pronouncements	Recent Accounting Pronouncements In November 2020, the SEC adopted the final rule under SEC Release No. 33-10890, Management’s Discussion and Analysis, Selected Financial Data, and Supplementary Financial Information, which eliminates the requirement for selected financial data, streamlines certain disclosures in MD&A and eliminates duplicative disclosures with the intention of simplifying reporting compliance. In the fourth quarter of 2020, we early adopted the amendments to provision 301, Selected financial data and provision 302, Supplementary financial information. In the first quarter of 2021, we adopted all remaining provisions of this final rule. The adoption of this final rule did not have a material effect on our Consolidated Financial Statements