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Earnings Per Share (Tables)
 3 Months Ended
Feb. 28, 2019
Earnings Per Share, Basic and Diluted [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
Basic and diluted earnings (loss) per share were calculated as follows (in thousands, except per share amounts):
 
 
Three Months Ended February 28,
 
 
2019
 
2018
Numerator:
 
 
 
 
Net income (loss)
 
$
30,011

 
$
(71,255
)
Less: Distributed earnings allocated to nonvested restricted stock
 
(14
)
 
—

Less: Undistributed earnings allocated to nonvested restricted stock
 
(176
)
 
—

Numerator for basic earnings (loss) per share
 
29,821

 
(71,255
)
Effect of dilutive securities:
 
 
 
 
Interest expense and amortization of debt issuance costs associated with convertible senior notes, net of taxes
 
541

 
—

Add: Undistributed earnings allocated to nonvested restricted stock
 
176

 
—

Less: Undistributed earnings reallocated to nonvested restricted stock
 
(158
)
 
—

Numerator for diluted earnings (loss) per share
 
$
30,380

 
$
(71,255
)
 
 
 
 
 
Denominator:
 
 
 
 
Weighted average shares outstanding — basic
 
86,972

 
87,155

Effect of dilutive securities:
 
 
 
 
Share-based payments
 
4,202

 
—

Convertible senior notes
 
5,788

 
—

Weighted average shares outstanding — diluted
 
96,962

 
87,155

Basic earnings (loss) per share
 
$
.34

 
$
(.82
)
Diluted earnings (loss) per share
 
$
.31

 
$
(.82
)