Condensed Consolidated Stockholders' Equity Statements (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other  Comprehensive Income (Loss)	Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2020		50,335,000			5,692,000
Beginning balance at Dec. 31, 2020	$ 757,051	$ 503	$ 823,605	$ 450,876	$ (332,552)	$ (191,851)	$ 6,470
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	28,741			28,666			75
Other comprehensive income, net of tax	53,528					53,725	(197)
Acquisition of business with noncontrolling interests	20						20
Retirement Savings Plan stock contributions (in shares)					45,000
Retirement Savings Plan stock contributions	2,003		(493)		$ 2,496
Exercise of stock options, net of tax withholding forfeitures (in shares)					9,000
Exercise of stock options, net of tax withholding forfeitures	(182)		(723)		$ 541
Conversion of restricted stock units into common stock, net of tax withholding forfeitures (in shares)					27,000
Conversion of restricted stock units into common stock, net of tax withholding forfeitures	$ (723)		(2,403)		$ 1,680
Share repurchase program (in shares)	0
Share-based compensation	$ 7,285		7,285
Common stock dividends	(2,263)			(2,263)
Ending balance (in shares) at Apr. 04, 2021		50,335,000			5,611,000
Ending balance at Apr. 04, 2021	845,460	$ 503	827,271	477,279	$ (327,835)	(138,126)	6,368
Beginning balance (in shares) at Dec. 31, 2021		50,335,000			5,360,000
Beginning balance at Dec. 31, 2021	956,082	$ 503	833,627	505,717	$ (313,994)	(70,566)	795
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	35,844			35,841			3
Other comprehensive income, net of tax	3,955					3,928	27
Retirement Savings Plan stock contributions (in shares)					43,000
Retirement Savings Plan stock contributions	2,453		(356)		$ 2,809
Exercise of stock options, net of tax withholding forfeitures (in shares)					6,000
Exercise of stock options, net of tax withholding forfeitures	(151)		(526)		$ 375
Conversion of restricted stock units into common stock, net of tax withholding forfeitures (in shares)					103,000
Conversion of restricted stock units into common stock, net of tax withholding forfeitures	$ (3,548)		(11,287)		$ 7,739
Share repurchase program (in shares)	(900,000)				(885,000)
Share repurchase program	$ (50,000)				$ (50,000)
Share-based compensation	5,224		5,224
Common stock dividends	(2,264)			(2,264)
Ending balance (in shares) at Apr. 03, 2022		50,335,000			6,093,000
Ending balance at Apr. 03, 2022	$ 947,595	$ 503	$ 826,682	$ 539,294	$ (353,071)	$ (66,638)	$ 825