XML 61 R46.htm IDEA: XBRL DOCUMENT v3.22.2.2
INCOME TAXES - Research and Development Tax Credits (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jul. 31, 2022
Jan. 31, 2019
Jan. 31, 2022
Jan. 31, 2020
Prior period for identify and quantify the amounts of research and development credits   3 years    
Research and development tax credit benefit   $ 16.6   $ 0.4
Unrecognized income tax benefits related to research and development credits     $ 5.0  
Unfavorable adjustment $ 6.2      
Income tax refunds and prepaid income taxes 14.9   $ 29.5  
Internal Revenue Service (IRS)        
Settlement offer from the IRS $ 7.9