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Revenue (Tables)
 6 Months Ended
Jul. 31, 2022
Revenue from Contract with Customer [Abstract]  
Schedule of net sales disaggregated by product category
The following table represents net sales disaggregated by product category:
Three Months EndedSix Months Ended
Product CategoryJuly 31, 2022August 1, 2021July 31, 2022August 1, 2021
Pipes, valves & fittings products$1,291 $888 $2,401 $1,593 
Storm drainage products266 173 475 303 
Fire protection products192 138 364 257 
Meter products112 99 219 200 
Total net sales$1,861 $1,298 $3,459 $2,353