Debt (Tables)
 3 Months Ended
May 31, 2019
Debt [Abstract]  
Schedule of Debt [Table Text Block]
The Company's debt consisted of the following for each of the periods presented (in thousands):
 
May 31, 2019
 
February 28, 2019
2017 Revolving Credit Facility
$
172,000

 
$
116,000

2011 Senior Notes
125,000

 
125,000

Total debt, gross
297,000

 
241,000

Unamortized debt issuance costs
(221
)
 
(255
)
Total debt, net
$
296,779

 
$
240,745