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Equity (Tables)
 3 Months Ended
Mar. 31, 2024
Equity [Abstract]  
Schedule of changes in equity
A schedule of consolidated changes in equity for the three months ended March 31, 2024 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, 202364,600 $646 $537,948 13,914 $(532,415)$1,551,213 $(195,129)$1,362,263 
Comprehensive loss— — — — — 1,947 (28,070)(26,123)
Dividends declared ($0.16 per share)

— — — — — (8,111)— (8,111)
Employee stock plans16 — 3,443 2 (71)(52)— 3,320 
March 31, 202464,616 $646 $541,391 13,916 $(532,486)$1,544,997 $(223,199)$1,331,349 

A schedule of consolidated changes in equity for the three months ended March 31, 2023 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, 202264,481 $645 $529,791 13,891 $(531,507)$1,567,898 $(220,500)$1,346,327 
Comprehensive income— — — — — 13,159 29,209 42,368 
Dividends declared ($0.16 per share)
— — — — — (8,096)— (8,096)
Residual interest in subsidiary    — — (2,381)— — — — (2,381)
Employee stock plans23 — 2,665 6 (252)(83)— 2,330 
March 31, 202364,504 $645 $530,075 13,897 $(531,759)$1,572,878 $(191,291)$1,380,548