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Commitments and Contingent Liabilities (Tables) - USD ($)
$ in Thousands
 9 Months Ended
Nov. 30, 2019
Dec. 01, 2018
Commitments and Contingencies Disclosure [Abstract]    
Guarantees and warranties A warranty rollforward follows:  
 
 
Nine Months Ended
In thousands
 
November 30, 2019
 
December 1, 2018
Balance at beginning of period
 
$
16,737

 
$
22,517

Additional accruals
 
5,996

 
3,437

Claims paid
 
(7,807
)
 
(8,398
)
Balance at end of period
 
$
14,926

 
$
17,556


  
Proceeds from New Markets Tax Credit transaction, net of deferred costs $ 0 $ 8,850