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Revenue, Receivables and Contract Assets and Liabilities (Tables)
12 Months Ended
Feb. 26, 2022
Revenue from Contract with Customer [Abstract]  
Disaggregated revenue data
The following table disaggregates total revenue by timing of recognition (see Note 15 for disclosure of revenue by segment):
(In thousands)February 26, 2022February 27, 2021February 29, 2020
Recognized at shipment$551,252 $504,583 $610,049 
Recognized over time762,725 726,191 777,390 
Total$1,313,977 $1,230,774 $1,387,439 
Net receivables
(In thousands)20222021
Trade accounts$129,085 $120,534 
Construction contracts12,857 12,163 
Contract retainage28,782 45,167 
Total receivables170,724 177,864 
Less: allowance for credit losses2,132 1,947 
Receivables, net$168,592 $175,917 
Allowance for Credit Losses
The following table summarizes the activity in the allowance for credit losses:
(In thousands)20222021
Beginning balance$1,947 $2,469 
Additions charged to costs and expenses729 389 
Deductions from allowance, net of recoveries(514)(887)
Other deductions(30)(24)
Ending balance$2,132 $1,947 
Contract assets and liabilities
(In thousands)February 26, 2022February 27, 2021
Contract assets$59,185 $74,664 
Contract liabilities11,373 25,000 

The change in contract assets and contract liabilities was due to timing of project activity from businesses that operate under long-term contracts.
Performance obligations expected to be satisfied The performance obligations are expected to be satisfied, and the corresponding revenue to be recognized, over the following estimated time periods:
(In thousands)February 26, 2022
Within one year
$518,213 
Within two years
213,531 
Beyond two years
58,080 
Total$789,824