Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Calculation of Basic and Diluted Earnings Per Share

The calculation of basic and diluted EPS was as follows:

	Three months ended June 30,						Six months ended June 30,
	2020			2019			2020			2019
	(In thousands, except per-share amounts)
Basic EPS:
Numerator:
Net income	$	101,510		$	97,446		$	173,979		$	176,611
Income attributable to unvested participating securities		(437	)		(428	)		(747	)		(835	)
Net income used in calculating basic EPS	$	101,073		$	97,018		$	173,232		$	175,776
Denominator:
Weighted-average vested shares		40,132			42,483			40,632			42,653
Basic EPS	$	2.52		$	2.28		$	4.26		$	4.12
Diluted EPS:
Numerator:
Net income	$	101,510		$	97,446		$	173,979		$	176,611
Income attributable to unvested participating securities		(436	)		(427	)		(746	)		(833	)
Net income used in calculating diluted EPS	$	101,074		$	97,019		$	173,233		$	175,778
Denominator:
Weighted-average vested shares		40,132			42,483			40,632			42,653
Dilutive effect of incremental shares to be issued for    contingently-issuable shares		114			136			111			127
Weighted-average shares used in calculating diluted EPS		40,246			42,619			40,743			42,780
Diluted EPS	$	2.51		$	2.28		$	4.25		$	4.11