CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Capital	Retained Earnings	Accumulated Other Comprehensive Income/(Loss)	Noncontrolling Interest
Minimum pension liability tax (expense)/benefit					$ 1,112
Dividends per common share (in dollars per share)				$ 0.6200
Balance at Dec. 31, 2019		$ 4,639	$ 269,656	$ 712,460	(190,210)	$ 2,124
Balance (in shares) at Dec. 31, 2019		46,391,000
Increase (Decrease) in Stockholders' Equity
Net Income				100,460		718
Currency translation adjustment					(11,984)	104
Minimum pension liability adjustment, net of tax (expense)/benefit of ($1,458), $1,112, and $589, for 2021, 2020, and 2019, respectively					2,577
Dividends on common stock ($0.7000, $0.6200, and $0.5800 per share for the years of 2021, 2020, and 2019, respectively)				(28,845)
Noncontrolling Dividend						830
Common stock issued		$ 12	3,709
Stock Issued During Period, Shares, New Issues		121,000
Share based compensation		$ 11	10,055
Share-based compensation (in shares)		112,000
Common stock repurchased	$ (15,200)	$ (40)		(19,513)
Common stock repurchased (in shares)	(322,147)	(402,000)
Balance (in shares) at Dec. 31, 2020		46,222,000
Balance at Dec. 31, 2020		$ 4,622	283,420	$ 764,562	(204,771)	2,116
Temporary equity, beginning balance at Dec. 31, 2019	$ (236)
Increase (Decrease) in Redeemable Noncontrolling Interest
Net income	(21)
Currency translation adjustment	12
Temporary equity, ending balance at Dec. 31, 2020	(245)
Minimum pension liability tax (expense)/benefit					1,458
Dividends per common share (in dollars per share)				$ 0.7000
Increase (Decrease) in Stockholders' Equity
Net Income				$ 153,860		899
Currency translation adjustment					(27,400)	(144)
Minimum pension liability adjustment, net of tax (expense)/benefit of ($1,458), $1,112, and $589, for 2021, 2020, and 2019, respectively					(3,590)
Dividends on common stock ($0.7000, $0.6200, and $0.5800 per share for the years of 2021, 2020, and 2019, respectively)				(32,688)
Noncontrolling Dividend						710
Common stock issued		$ 44	15,480
Stock Issued During Period, Shares, New Issues		440,000
Share based compensation		$ 14	11,717
Share-based compensation (in shares)		140,000
Common stock repurchased	$ (15,300)	$ (32)		(25,917)
Common stock repurchased (in shares)	(192,509)	(319,000)
Balance (in shares) at Dec. 31, 2021	46,483,000	46,483,000
Balance at Dec. 31, 2021	$ 948,662	$ 4,648	310,617	$ 859,817	(228,581)	2,161
Increase (Decrease) in Redeemable Noncontrolling Interest
Net income	216
Currency translation adjustment	10
Temporary equity, ending balance at Dec. 31, 2021	(19)
Minimum pension liability tax (expense)/benefit					3,647
Dividends per common share (in dollars per share)				$ 0.7800
Increase (Decrease) in Stockholders' Equity
Net Income				$ 187,332		857
Currency translation adjustment					(11,708)	(118)
Minimum pension liability adjustment, net of tax (expense)/benefit of ($1,458), $1,112, and $589, for 2021, 2020, and 2019, respectively					(8,841)
Dividends on common stock ($0.7000, $0.6200, and $0.5800 per share for the years of 2021, 2020, and 2019, respectively)				(36,367)
Noncontrolling Dividend						624
Common stock issued		$ 9	3,850
Stock Issued During Period, Shares, New Issues		90,000
Share based compensation		$ 14	10,959
Share-based compensation (in shares)		136,000
Common stock repurchased	$ (36,300)	$ (52)		(41,521)
Common stock repurchased (in shares)	(453,207)	(516,000)
Balance (in shares) at Dec. 31, 2022	46,193,000	46,193,000
Balance at Dec. 31, 2022	$ 1,070,134	$ 4,619	$ 325,426	$ 969,261	$ (231,448)	$ 2,276
Increase (Decrease) in Redeemable Noncontrolling Interest
Net income	622
Currency translation adjustment	17
Temporary equity, ending balance at Dec. 31, 2022	$ 620