Consolidated Statements of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Shares	Common Shares Held in Treasury	Retained Earnings	Accumulated Other Comprehensive Loss	Other Equity
Common stock, beginning balance (in shares) at Dec. 31, 2020		20,328
Treasury stock, beginning balance (in shares) at Dec. 31, 2020			(6,820)
Beginning balances at Dec. 31, 2020	$ 655,630	$ 258,642	$ (199,187)	$ 631,058	$ (38,639)	$ 3,756
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	52,791			52,791
Net current period other comprehensive (loss) income after tax	(5,914)				(5,914)
Cash dividends declared	(7,243)			(7,243)
Stock-based compensation activity (in shares)		152	152
Stock-based compensation activity	4,924	$ 10,932	$ (5,929)	(79)
Payments of withholding taxes for stock-based compensation awards (in shares)		(45)	(45)
Payments of withholding taxes for stock-based compensation awards	(3,033)		$ (3,033)
Directors' deferred compensation (in shares)		4	4
Directors’ deferred compensation	273	$ 142	$ (803)			934
Common stock, ending balance (in shares) at Oct. 01, 2021		20,439
Treasury stock, ending balance (in shares) at Oct. 01, 2021			(6,709)
Ending balances at Oct. 01, 2021	$ 697,428	$ 269,716	$ (208,952)	676,527	(44,553)	4,690
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared (in dollars per share)	$ 0.355
Common stock, beginning balance (in shares) at Jul. 02, 2021		20,438
Treasury stock, beginning balance (in shares) at Jul. 02, 2021			(6,710)
Beginning balances at Jul. 02, 2021	$ 681,701	$ 268,205	$ (208,854)	660,851	(43,084)	4,583
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	18,156			18,156
Net current period other comprehensive (loss) income after tax	(1,469)				(1,469)
Cash dividends declared	(2,452)			(2,452)
Stock-based compensation activity (in shares)		0	0
Stock-based compensation activity	1,412	$ 1,458	$ (18)	(28)
Payments of withholding taxes for stock-based compensation awards (in shares)		0	0
Payments of withholding taxes for stock-based compensation awards	(12)		$ (12)
Directors' deferred compensation (in shares)		1	1
Directors’ deferred compensation	92	$ 53	$ (68)			107
Common stock, ending balance (in shares) at Oct. 01, 2021		20,439
Treasury stock, ending balance (in shares) at Oct. 01, 2021			(6,709)
Ending balances at Oct. 01, 2021	$ 697,428	$ 269,716	$ (208,952)	676,527	(44,553)	4,690
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared (in dollars per share)	$ 0.120
Common stock, beginning balance (in shares) at Dec. 31, 2021		20,448
Treasury stock, beginning balance (in shares) at Dec. 31, 2021			(6,700)
Beginning balances at Dec. 31, 2021	$ 720,440	$ 271,978	$ (209,920)	693,756	(40,169)	4,795
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	57,226			57,226
Net current period other comprehensive (loss) income after tax	(6,411)				(6,411)
Cash dividends declared	(7,584)			(7,584)
Stock-based compensation activity (in shares)		115	115
Stock-based compensation activity	5,882	$ 11,938	$ (5,941)	(115)
Payments of withholding taxes for stock-based compensation awards (in shares)		(37)	(37)
Payments of withholding taxes for stock-based compensation awards	(3,056)		$ (3,056)
Directors' deferred compensation (in shares)		2	2
Directors’ deferred compensation	180	$ 108	$ (302)			374
Common stock, ending balance (in shares) at Sep. 30, 2022		20,528
Treasury stock, ending balance (in shares) at Sep. 30, 2022			(6,620)
Ending balances at Sep. 30, 2022	$ 766,677	$ 284,024	$ (219,219)	743,283	(46,580)	5,169
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared (in dollars per share)	$ 0.370
Common stock, beginning balance (in shares) at Jul. 01, 2022		20,523
Treasury stock, beginning balance (in shares) at Jul. 01, 2022			(6,625)
Beginning balances at Jul. 01, 2022	$ 749,154	$ 281,296	$ (218,356)	725,918	(44,619)	4,915
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	19,952			19,952
Net current period other comprehensive (loss) income after tax	(1,961)				(1,961)
Cash dividends declared	(2,557)			(2,557)
Stock-based compensation activity (in shares)		6	6
Stock-based compensation activity	2,273	$ 2,695	$ (392)	(30)
Payments of withholding taxes for stock-based compensation awards (in shares)		(2)	(2)
Payments of withholding taxes for stock-based compensation awards	(244)		$ (244)
Directors’ deferred compensation	60	$ 33	$ (227)			254
Common stock, ending balance (in shares) at Sep. 30, 2022		20,528
Treasury stock, ending balance (in shares) at Sep. 30, 2022			(6,620)
Ending balances at Sep. 30, 2022	$ 766,677	$ 284,024	$ (219,219)	$ 743,283	$ (46,580)	$ 5,169
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared (in dollars per share)	$ 0.125