Shareholders' Equity - Activity in Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 28, 2025	Jun. 29, 2025	Mar. 30, 2025	Sep. 29, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 28, 2025	Sep. 29, 2024
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period	$ 575,025	$ 513,067	$ 489,148	$ 451,165	$ 428,548	$ 425,947	$ 489,148	$ 425,947
Net income (loss)	46,146	32,561	13,002	28,443	22,558	14,179	$ 91,709	65,180
Issuances of stock related to restricted share units and performance shares	0	0	0	0	0	0
Restricted stock issuances				947
Unrecognized compensation expense related to restricted stock awards					(946)
Cash dividends declared	(1,170)	(586)	(641)	(582)	(584)	(589)
Compensation expense related to share-based plans, net of forfeitures and shares received for tax withholdings	2,989	2,765	(3,581)	2,616	2,130	(355)
Share repurchases (in shares)							(250,000)
Share repurchases	(698)	(4,445)
Foreign currency translation adjustment	(2,356)	33,445	15,834	21,131	(2,022)	(11,092)	$ 46,923	8,017
Pension liability adjustment	1,015	(1,782)	(695)	(1,210)	534	458	(1,462)	(218)
Balance at end of period	$ 620,951	$ 575,025	$ 513,067	$ 501,563	$ 451,165	$ 428,548	$ 620,951	$ 501,563
Cash dividends declared, per common share (in dollars per share)	$ 0.02	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01
COMMON STOCK
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period (in shares)	58,393,000	58,610,000	58,304,000	58,303,000	58,273,000	58,112,000	58,304,000	58,112,000
Balance at beginning of period	$ 5,839	$ 5,861	$ 5,830	$ 5,830	$ 5,827	$ 5,811	$ 5,830	$ 5,811
Issuances of stock related to restricted share units and performance shares (in shares)	54,000	1,000	658,000	3,000	4,000	472,000
Issuances of stock related to restricted share units and performance shares	$ 5	$ 0	$ 66	$ 0	$ 0	$ 47
Restricted stock issuances (in shares)					58,000
Restricted stock issuances					$ 6
Compensation expense related to share-based plans, net of forfeitures and shares received for tax withholdings (in shares)	(24,000)	0	(352,000)	(2,000)	(32,000)	(311,000)
Compensation expense related to share-based plans, net of forfeitures and shares received for tax withholdings	$ (2)	$ 0	$ (35)	$ 0	$ (3)	$ (31)
Share repurchases (in shares)	(32,000)	(218,000)
Share repurchases	$ (3)	$ (22)
Balance at end of period (in shares)	58,391,000	58,393,000	58,610,000	58,304,000	58,303,000	58,273,000	58,391,000	58,304,000
Balance at end of period	$ 5,839	$ 5,839	$ 5,861	$ 5,830	$ 5,830	$ 5,827	$ 5,839	$ 5,830
ADDITIONAL PAID-IN CAPITAL
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period	255,758	257,416	261,028	254,666	252,538	252,909	261,028	252,909
Issuances of stock related to restricted share units and performance shares	(5)	0	(66)	0	0	(47)
Restricted stock issuances					941
Unrecognized compensation expense related to restricted stock awards					(946)
Compensation expense related to share-based plans, net of forfeitures and shares received for tax withholdings	2,991	2,765	(3,546)	2,616	2,133	(324)
Share repurchases	(695)	(4,423)
Balance at end of period	258,049	255,758	257,416	257,282	254,666	252,538	258,049	257,282
RETAINED EARNINGS
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period	449,777	417,802	405,441	356,397	334,423	320,833	405,441	320,833
Net income (loss)	46,146	32,561	13,002	28,443	22,558	14,179
Cash dividends declared	(1,170)	(586)	(641)	(582)	(584)	(589)
Balance at end of period	494,753	449,777	417,802	384,258	356,397	334,423	494,753	384,258
FOREIGN CURRENCY TRANSLATION ADJUSTMENT
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period	(94,038)	(127,483)	(143,317)	(132,704)	(130,682)	(119,590)	(143,317)	(119,590)
Foreign currency translation adjustment	(2,356)	33,445	15,834	21,131	(2,022)	(11,092)
Balance at end of period	(96,394)	(94,038)	(127,483)	(111,573)	(132,704)	(130,682)	(96,394)	(111,573)
PENSION LIABILITY
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period	(42,311)	(40,529)	(39,834)	(33,024)	(33,558)	(34,016)	(39,834)	(34,016)
Pension liability adjustment	1,015	(1,782)	(695)	(1,210)	534	458
Balance at end of period	$ (41,296)	$ (42,311)	$ (40,529)	$ (34,234)	$ (33,024)	$ (33,558)	$ (41,296)	$ (34,234)