Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2022

Basic and Diluted Weighted Average Shares Outstanding

A reconciliation of basic and diluted weighted average shares outstanding is as follows:

	Three Months Ended March 31,
	2022		2021
	(Amounts in thousands, except per share data)
Numerator:
Net income	$	46,964	$	29,450
Effect of dilutive securities:
Charges associated with convertible debt instruments, net of tax		387		—
Numerator for diluted earnings per share - net income available to common      stockholders after the effect of dilutive securities	$	47,351	$	29,450
Denominator:
Weighted average shares used in computing net income per share - basic		55,353		54,805
Effect of dilutive shares:
Options and stock units		726		964
Convertible Senior Notes		2,726		1,092
Dilutive effect of unvested performance stock units		11		8
Dilutive potential common shares		3,463		2,064
Denominator for diluted earnings per share - adjusted weighted average      shares used in computing net income per share - diluted		58,816		56,869
Earnings per share:
Basic	$	0.85	$	0.54
Diluted	$	0.81	$	0.52