Net Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Net Earnings Per Share

Schedule of reconciliation of basic and diluted net income per share

The following table sets forth the reconciliation of basic and diluted net income per share (in thousands, except share and per share amounts):

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Basic net income per share:
Numerator
Net income	$	115,211	$	100,925	$	225,862	$	185,862
Denominator
Weighted-average common shares outstanding		104,003,960		103,180,769		103,876,647		103,064,834
Basic net income per share	$	1.11	$	0.98	$	2.17	$	1.80
Diluted net income per share:
Numerator
Net income	$	115,211	$	100,925	$	225,862	$	185,862
Assumed conversion of convertible senior notes		1,735		1,431		3,474		2,847
Net income plus assumed conversions	$	116,946	$	102,356	$	229,336	$	188,709
Denominator
Number of shares used in basic computation		104,003,960		103,180,769		103,876,647		103,064,834
Weighted-average effect of dilutive securities		8,420,622		8,383,714		8,449,859		8,425,849
Number of shares used in per share computation		112,424,582		111,564,483		112,326,506		111,490,683
Diluted net income per share	$	1.04	$	0.92	$	2.04	$	1.69