Net Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2017

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,
	2017		2016		2017		2016
Basic net income per share:
Numerator
Net income	$	100,925	$	91,803	$	185,862	$	184,661
Denominator
Weighted-average common shares outstanding		103,180,769		102,837,443		103,064,834		102,758,427
Basic net income per share	$	0.98	$	0.89	$	1.80	$	1.80
Diluted net income per share:
Numerator
Net income	$	100,925	$	91,803	$	185,862	$	184,661
Assumed conversion of convertible senior notes		1,431		1,455		2,847		2,909
Net income plus assumed conversions	$	102,356	$	93,258	$	188,709	$	187,570
Denominator
Number of shares used in basic computation		103,180,769		102,837,443		103,064,834		102,758,427
Weighted-average effect of dilutive securities		8,383,714		8,001,737		8,425,849		7,951,747
Number of shares used in per share computation		111,564,483		110,839,180		111,490,683		110,710,174
Diluted net income per share	$	0.92	$	0.84	$	1.69	$	1.69