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Basis of Presentation and Significant Accounting Policies (Details)
7 Months Ended
Jul. 31, 2019
Operating_Segment
Jan. 01, 2020
Accounting_standard
Jan. 01, 2019
Accounting_standard
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Number of business segments | Operating_Segment 3    
Number of accounting standards adopted | Accounting_standard   4 4