XML 49 R42.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Shareholders' Equity - Share Repurchase Activity (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jul. 31, 2024
Jul. 31, 2023
Jul. 31, 2024
Jul. 31, 2023
Equity, Class of Treasury Stock [Line Items]        
Total cost $ 53,034 $ 334 $ 67,479 $ 8,184
Share Repurchase Program        
Equity, Class of Treasury Stock [Line Items]        
Number of common shares repurchased and subsequently retired 1,200,000 0 1,200,000 0
Total cost [1] $ 52,262 $ 0 $ 52,262 $ 0
Average cost per share, including commissions $ 43.55 $ 0 $ 43.55 $ 0
[1] Under the Inflation Reduction Act, the Company's share repurchases, net of issuances, are subject to a 1% excise tax. The total cost of share repurchases during the three and six months ended July 31, 2024 excludes excise tax incurred of $240.