Earnings Per Share (Tables)

9 Months Ended

Aug. 31, 2019

Earnings Per Share, Basic and Diluted [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

Basic and diluted earnings per share were calculated as follows (in thousands, except per share amounts):

	Three Months Ended August 31,						Nine Months Ended August 31,
	2019			2018			2019			2018
Numerator:
Net income	$	68,136		$	87,476		$	145,608		$	73,529
Less: Distributed earnings allocated to nonvested restricted stock	(48		)	(12		)	(76		)	(37		)
Less: Undistributed earnings allocated to nonvested restricted stock	(365		)	(472		)	(825		)	(388		)
Numerator for basic earnings per share	67,723			86,992			144,707			73,104

	Three Months Ended August 31,						Nine Months Ended August 31,
	2019			2018			2019			2018
Effect of dilutive securities:
Interest expense and amortization of debt issuance costs associated with convertible senior notes, net of taxes	—			796			541			2,389
Add: Undistributed earnings allocated to nonvested restricted stock	365			472			825			388
Less: Undistributed earnings reallocated to nonvested restricted stock	(354		)	(416		)	(769		)	(335		)
Numerator for diluted earnings per share	$	67,734		$	87,844		$	145,304		$	75,546
Denominator:
Weighted average shares outstanding — basic	88,262			87,951			87,630			87,565
Effect of dilutive securities:
Share-based payments	4,580			4,719			4,501			5,246
Convertible senior notes	—			8,402			1,901			8,402
Weighted average shares outstanding — diluted	92,842			101,072			94,032			101,213
Basic earnings per share	$	.77		$	.99		$	1.65		$	.83
Diluted earnings per share	$	.73		$	.87		$	1.55		$	.75