XML 48 R38.htm IDEA: XBRL DOCUMENT v3.20.4
Other Assets - Amortization (Details)
$ in Millions
Jan. 31, 2021
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
Amortization expense for remainder of fiscal 2021 $ 1.2
Amortization expense for 2022 1.6
Amortization expense for 2023 1.5
Amortization expense for 2024 1.5
Amortization expense thereafter $ 3.9