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Condensed Consolidated Statements of Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Retained Earnings
Beginning Balance at May. 31, 2021 $ 840,377 $ 17,195 $ 294,953 $ (11,375) $ 539,604
Beginning Balance (in shares) at May. 31, 2021   107,468,000      
Exercise of options and share-based compensation expense 1,839 $ 1 1,838    
Exercise of options and share-based compensation expense (in shares)   6,000      
Issuance of shares under employee stock purchase plan 899 $ 3 896    
Issuance of shares under employee stock purchase plan (in shares)   19,000      
Net Income (Loss) 17,077       17,077
Other comprehensive loss (4,829)     (4,829)  
Ending Balance at Aug. 31, 2021 855,363 $ 17,199 297,687 (16,204) 556,681
Ending Balance (in shares) at Aug. 31, 2021   107,493,000      
Beginning Balance at May. 31, 2021 840,377 $ 17,195 294,953 (11,375) 539,604
Beginning Balance (in shares) at May. 31, 2021   107,468,000      
Net Income (Loss) 33,348        
Ending Balance at Feb. 28, 2022 875,544 $ 17,251 307,780 (22,439) 572,952
Ending Balance (in shares) at Feb. 28, 2022   107,818,000      
Beginning Balance at Aug. 31, 2021 855,363 $ 17,199 297,687 (16,204) 556,681
Beginning Balance (in shares) at Aug. 31, 2021   107,493,000      
Exercise of options and share-based compensation expense 7,316 $ 44 7,272    
Exercise of options and share-based compensation expense (in shares)   275,000      
Net Income (Loss) 10,828       10,828
Other comprehensive loss (8,031)     (8,031)  
Ending Balance at Nov. 30, 2021 865,476 $ 17,243 304,959 (24,235) 567,509
Ending Balance (in shares) at Nov. 30, 2021   107,768,000      
Exercise of options and share-based compensation expense 1,852 $ 4 1,848    
Exercise of options and share-based compensation expense (in shares)   26,000      
Issuance of shares under employee stock purchase plan 977 $ 4 973    
Issuance of shares under employee stock purchase plan (in shares)   24,000      
Net Income (Loss) 5,443       5,443
Other comprehensive loss 1,796     1,796  
Ending Balance at Feb. 28, 2022 875,544 $ 17,251 307,780 (22,439) 572,952
Ending Balance (in shares) at Feb. 28, 2022   107,818,000      
Beginning Balance at May. 31, 2022 $ 887,374 $ 17,248 309,984 (27,769) 587,911
Beginning Balance (in shares) at May. 31, 2022 107,801,094 107,801,000      
Exercise of options and share-based compensation expense $ 1,905 $ 1 1,904    
Exercise of options and share-based compensation expense (in shares)   4,000      
Issuance of shares under employee stock purchase plan 867 $ 5 862    
Issuance of shares under employee stock purchase plan (in shares)   33,000      
Net Income (Loss) 5,209       5,209
Other comprehensive loss (11,557)     (11,557)  
Ending Balance at Aug. 31, 2022 883,798 $ 17,254 312,750 (39,326) 593,120
Ending Balance (in shares) at Aug. 31, 2022   107,838,000      
Beginning Balance at May. 31, 2022 $ 887,374 $ 17,248 309,984 (27,769) 587,911
Beginning Balance (in shares) at May. 31, 2022 107,801,094 107,801,000      
Net Income (Loss) $ (28,442)        
Ending Balance at Feb. 28, 2023 $ 3,125,555 $ 34,595 2,564,713 (33,222) 559,469
Ending Balance (in shares) at Feb. 28, 2023 216,220,821 216,221,000      
Beginning Balance at Aug. 31, 2022 $ 883,798 $ 17,254 312,750 (39,326) 593,120
Beginning Balance (in shares) at Aug. 31, 2022   107,838,000      
Exercise of options and share-based compensation expense 2,637 $ 7 2,630    
Exercise of options and share-based compensation expense (in shares)   46,000      
Issuance of shares for 3M transaction (Value) 2,262,841 $ 17,323 2,245,518    
Issuance of shares for 3M transaction (shares)   108,270      
Net Income (Loss) (41,841)       (41,841)
Other comprehensive loss (1,172)     (1,172)  
Ending Balance at Nov. 30, 2022 3,106,263 $ 34,584 2,560,898 (40,498) 551,279
Ending Balance (in shares) at Nov. 30, 2022   216,154,000      
Exercise of options and share-based compensation expense 2,835 $ 1 2,834    
Exercise of options and share-based compensation expense (in shares)   5,000      
Issuance of shares under employee stock purchase plan 991 $ 10 981    
Issuance of shares under employee stock purchase plan (in shares)   62,000      
Net Income (Loss) 8,190       8,190
Other comprehensive loss 7,276     7,276  
Ending Balance at Feb. 28, 2023 $ 3,125,555 $ 34,595 $ 2,564,713 $ (33,222) $ 559,469
Ending Balance (in shares) at Feb. 28, 2023 216,220,821 216,221,000