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Description of Business and Summary of Significant Accounting Policies Product Warranties (Tables)
 12 Months Ended
Feb. 28, 2019
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
 
Year
Ended
 
Year
Ended
 
Year
Ended
 
February 28,
2019
 
February 28,
2018
 
February 28,
2017
Beginning balance
$
6,233

 
$
5,608

 
$
7,608

Liabilities acquired during acquisitions
—

 
500

 
—

Accrual for warranties issued during the year and repair cost
6,091

 
7,428

 
5,843

Balances transferred (a)
(832
)
 
—

 
—

Warranty claims settled during the year
(7,023
)
 
(7,303
)
 
(7,843
)
Ending balance
$
4,469

 
$
6,233

 
$
5,608