Stockholders Equity (Tables)

6 Months Ended

Jun. 30, 2021

Equity [Abstract]

Schedule of changes in equity

A schedule of consolidated changes in equity for the six months ended June 30, 2021 is as follows (number of shares in thousands):

	Common Stock (Number of Shares)	Common Stock (Amount)		Additional Paid-In Capital		Treasury Stock (Number of Shares)	Treasury Stock (Amount)		Retained Earnings		Accumulated Other Non-Owner Changes to Equity		Total Stockholders’ Equity
December 31, 2020	64,171	$	642	$	501,531	13,530	$	(516,992)	$	1,519,811	$	(122,315)	$	1,382,677
Comprehensive income	—	—		—		—	—		19,382		(44,902)		(25,520)
Dividends declared ($0.16 per share)	—	—		—		—	—		(8,104)		—		(8,104)
Employee stock plans	12	—		2,406		1	(68)		(24)		—		2,314
March 31, 2021	64,183	$	642	$	503,937	13,531	$	(517,060)	$	1,531,065	$	(167,217)	$	1,351,367
Comprehensive income	—	—		—		—	—		24,491		24,591		49,082
Dividends declared ($0.16 per share)	—	—		—		—	—		(8,090)		—		(8,090)
Common stock repurchases	—	—		—		100	(5,229)		—		—		(5,229)
Employee stock plans	17	—		3,417		3	(123)		(31)		—		3,263
June 30, 2021	64,200	$	642	$	507,354	13,634	$	(522,412)	$	1,547,435	$	(142,626)	$	1,390,393

A schedule of consolidated changes in equity for the six months ended June 30, 2020 is as follows (number of shares in thousands):

	Common Stock (Number of Shares)	Common Stock (Amount)		Additional Paid-In Capital		Treasury Stock (Number of Shares)	Treasury Stock (Amount)		Retained Earnings		Accumulated Other Non-Owner Changes to Equity		Total Stockholders’ Equity
December 31, 2019	63,873	$	639	$	489,282	13,051	$	(498,074)	$	1,489,176	$	(210,495)	$	1,270,528
Comprehensive income	—	—		—		—	—		29,733		(34,189)		(4,456)
Dividends declared ($0.16 per share)	—	—		—		—	—		(8,133)		—		(8,133)
Common stock repurchases	—	—		—		396	(15,550)		—		—		(15,550)
Employee stock plans	17	—		2,743		2	(84)		(88)		—		2,571
March 31, 2020	63,890	$	639	$	492,025	13,449	$	(513,708)	$	1,510,688	$	(244,684)	$	1,244,960
Comprehensive income	—	—		—		—	—		567		17,044		17,611
Dividends declared ($0.16 per share)	—	—		—		—	—		(8,072)		—		(8,072)
Employee stock plans	14	—		3,394		1	(53)		(134)		—		3,207
June 30, 2020	63,904	$	639	$	495,419	13,450	$	(513,761)	$	1,503,049	$	(227,640)	$	1,257,706