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Stock-Based Compensation (Tables)
 6 Months Ended
Feb. 28, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Recognized stock-based compensation expense within selling, general and administrative expense
The Company recognized stock-based compensation expense within selling, general and administrative expense as follows (in thousands):
 
Three months ended
 
Six months ended
 
February 28, 2018
 
February 28, 2017
 
February 28, 2018
 
February 28, 2017
Restricted stock and stock appreciation rights
$
12,952

 
$
13,751

 
$
56,459

 
$
11,710

Employee stock purchase plan
2,087

 
1,567

 
3,787

 
3,317

Other(1)
—

 
—

 
7,538

 
—

Total
$
15,039

 
$
15,318

 
$
67,784

 
$
15,027

 
(1) 
Represents a one-time cash-settled stock award that vested on November 30, 2017.
Share-based compensation information
The following represents the stock-based compensation information for the period indicated (in thousands):
 
February 28, 2018
Unrecognized stock-based compensation expense—restricted stock
$
68,280

Remaining weighted-average period for restricted stock expense
1.5 years