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Stockholders Equity
 3 Months Ended
Mar. 31, 2023
Equity [Abstract]  
Stockholders Equity Stockholders' Equity
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 

A schedule of consolidated changes in equity for the three months ended March 31, 2022 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, 202164,344 $643 $516,562 13,658 $(523,642)$1,587,041 $(151,838)$1,428,766 
Comprehensive income (loss)— — — — — 20,484 (2,590)17,894 
Dividends declared ($0.16 per share)
— — — — — (8,111)— (8,111)
Employee stock plans12 1 2,665 2 (49)(136)— 2,481 
March 31, 202264,356 $644 $519,227 13,660 $(523,691)$1,599,278 $(154,428)$1,441,030