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Note 12 - Share-based Compensation - PSU Awards Outstanding and PSU Activity (Details) - Performance Share Units [Member]
$ / shares in Units, shares in Thousands, $ in Thousands
 6 Months Ended
May 31, 2023
USD ($)
$ / shares
shares
Statement [Line Items]  
Balance, Numbers of awards (in shares) | shares 1,257
Balance, weighted average grant day fair value per award (in dollars per share) | $ / shares $ 7.65
Granted, Numbers of awards (in shares) | shares 787
Granted, weighted average grant day fair value per award (in dollars per share) | $ / shares $ 5.74
Vested, Numbers of awards (in shares) | shares 0
Vested, weighted average grant day fair value per award (in dollars per share) | $ / shares $ 0
Performance adjustment, Numbers of awards (in shares) | shares (439)
Performance adjustment, weighted average grant day fair value per award (in dollars per share) | $ / shares $ 6.96
Balance, Numbers of awards (in shares) | shares 1,605
Balance, weighted average grant day fair value per award (in dollars per share) | $ / shares $ 6.89
Aggregate intrinsic value | $ $ 4,259