XML 71 R59.htm IDEA: XBRL DOCUMENT v3.22.2.2
Derivative Instruments - Narrative (Details)
$ in Millions
Jan. 31, 2020
USD ($)
agreement
Derivative Instruments and Hedging Activities Disclosures [Line Items]  
Derivative, number of instruments held | agreement 1
Interest rate swaps | Designated as Hedging Instrument  
Derivative Instruments and Hedging Activities Disclosures [Line Items]  
Derivative, notional amount | $ $ 200.0