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Contingencies (Tables)
 12 Months Ended
Jan. 31, 2022
Contingencies [Abstract]  
Estimated payments under the self-insurance programs Estimated payments under the self-insurance programs are as follows (in thousands):
Year ending January 31, 
2023$200 
2024260 
2025260 
2026260 
2027255 
Thereafter— 
Total$1,235 
Discount to net present value(70)
$1,165