Stockholders Equity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	$ 1,362,263	$ 1,346,327
Comprehensive loss	(26,123)	42,368
Dividends declared	(8,111)	(8,096)
Residual interest in subsidiary		(2,381)
Employee stock plans	3,320	2,330
Balance at end of period	$ 1,331,349	$ 1,380,548
Dividends declared (in dollars per share)	$ 0.16	$ 0.16
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period (in shares)	64,600	64,481
Balance at beginning of period	$ 646	$ 645
Employee stock plans (in shares)	16	23
Employee stock plans		$ 0
Balance at end of period (in shares)	64,616	64,504
Balance at end of period	$ 646	$ 645
Additional Paid-In Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	537,948	529,791
Residual interest in subsidiary		(2,381)
Employee stock plans	3,443	2,665
Balance at end of period	$ 541,391	$ 530,075
Treasury Stock, Common
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period (in shares)	13,914	13,891
Balance at beginning of period	$ (532,415)	$ (531,507)
Employee stock plans (in shares)	2	6
Employee stock plans	$ (71)	$ (252)
Balance at end of period (in shares)	13,916	13,897
Balance at end of period	$ (532,486)	$ (531,759)
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	1,551,213	1,567,898
Comprehensive loss	1,947	13,159
Dividends declared	(8,111)	(8,096)
Employee stock plans	(52)	(83)
Balance at end of period	1,544,997	1,572,878
Accumulated Other Non-Owner Changes to Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	(195,129)	(220,500)
Comprehensive loss	(28,070)	29,209
Balance at end of period	$ (223,199)	$ (191,291)