Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2022

Earnings Per Share [Abstract]

Summary of Earnings Per Share, Basic and Diluted

The calculation and reconciliation of basic and diluted earnings per share for the three and six months ended June 30 is as follows (in thousands, except per share data): 

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Net income	$	262,171	$	196,247	$	480,123	$	380,486
Denominator for basic earnings per share	76,769		83,141		77,250		83,307
Dilutive securities	1,470		2,154		1,512		2,221
Denominator for diluted earnings per share	78,239		85,295		78,762		85,528
Basic earnings per share	$	3.42	$	2.36	$	6.22	$	4.57
Diluted earnings per share	$	3.35	$	2.30	$	6.10	$	4.45