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Subsequent Events	3 Months Ended
Subsequent Events	Apr. 30, 2022
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events Leadership Change As previously announced, on May 12, 2022, Andrew M. Meslow stepped down as Chief Executive Officer ("CEO") of the Company and as a member of the Company’s Board, and Sarah E. Nash, Executive Chair of the Company, was appointed to also serve as Interim CEO of the Company. Accelerated Share Repurchase Program The final settlement under the ASR occurred in May 2022. At final settlement, the Company received an additional 6.7 million shares of its common stock from the ASR bank. These shares were retired upon receipt.