Shareholders' Equity - Activity in Shareholders' Equity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Oct. 03, 2021	Jul. 04, 2021	Apr. 04, 2021	Oct. 04, 2020	Jul. 05, 2020	Apr. 05, 2020	Oct. 03, 2021	Oct. 04, 2020
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period			$ 326,538				$ 326,538
Net income (loss)	$ 10,959			$ 5,913			33,408	$ (91,545)
Pension liability adjustment	2,377			(1,471)			2,566	(80)
Foreign currency translation adjustment	(14,553)			$ 23,402			(30,695)	$ 24,317
Reclassification out of accumulated other comprehensive loss - discontinued cash flow hedge	(1,323)						(2,817)
Balance at end of period	$ 336,777						$ 336,777
Cash dividends declared, per common share	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.065
COMMON STOCK
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period (in shares)	59,066	59,014	58,664	58,544	58,488	58,416	58,664	58,416
Balance at beginning of period	$ 5,907	$ 5,901	$ 5,865	$ 5,854	$ 5,849	$ 5,842	$ 5,865	$ 5,842
Issuances of stock (other than restricted stock) (in shares)				7	12	220
Issuances of stock (other than restricted stock)				$ 1	$ 1	$ 22
Restricted stock issuances (in shares)		52	376	127	70	107
Restricted stock issuances		$ 6	$ 38	$ 13	$ 7	$ 10
Compensation expense related to stock awards, net of forfeitures (in shares)	(11)	0	(26)	(8)	(26)	(255)
Compensation expense related to stock awards, net of forfeitures	$ (2)	$ 0	$ (2)	$ (1)	$ (3)	$ (25)
Balance at end of period (in shares)	59,055	59,066	59,014	58,670	58,544	58,488	59,055	58,670
Balance at end of period	$ 5,905	$ 5,907	$ 5,901	$ 5,867	$ 5,854	$ 5,849	$ 5,905	$ 5,867
ADDITIONAL PAID-IN CAPITAL
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period	250,114	248,571	247,920	246,323	246,378	250,306	247,920	250,306
Issuances of stock (other than restricted stock)				(1)	(1)	197
Restricted stock issuances		789	5,277	(15)	2,294	1,720
Unamortized compensation expense related to restricted stock awards		(794)	(5,315)	2	(2,300)	(1,731)
Compensation expense related to stock awards, net of forfeitures	1,680	1,548	689	703	(48)	(4,114)
Balance at end of period	251,794	250,114	248,571	247,012	246,323	246,378	251,794	247,012
RETAINED EARNINGS
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period	229,833	214,911	208,562	184,206	180,082	286,056	208,562	286,056
Net income (loss)	10,959	15,511	6,938	5,913	4,709	(102,167)
Cash dividends declared	(593)	(589)	(589)	(586)	(585)	(3,807)
Balance at end of period	240,199	229,833	214,911	189,533	184,206	180,082	240,199	189,533
PENSION LIABILITY
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period	(69,099)	(69,199)	(69,288)	(55,309)	(54,967)	(56,700)	(69,288)	(56,700)
Pension liability adjustment	2,377	100	89	(1,471)	(342)	1,733
Balance at end of period	(66,722)	(69,099)	(69,199)	(56,780)	(55,309)	(54,967)	(66,722)	(56,780)
FOREIGN CURRENCY TRANSLATION ADJUSTMENT
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period	(76,473)	(79,928)	(60,331)	(112,224)	(128,384)	(113,139)	(60,331)	(113,139)
Foreign currency translation adjustment	(14,553)	3,455	(19,597)	23,402	16,160	(15,245)
Balance at end of period	(91,026)	(76,473)	(79,928)	(88,822)	(112,224)	(128,384)	(91,026)	(88,822)
CASH FLOW HEDGE
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period	(4,696)	(5,441)	(6,190)				(6,190)
Reclassification out of accumulated other comprehensive loss - discontinued cash flow hedge	1,323	745	749
Balance at end of period	$ (3,373)	$ (4,696)	$ (5,441)				$ (3,373)
CASH FLOW HEDGE
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period				(10,654)	(10,303)	(4,163)		(4,163)
Cash flow hedge unrealized loss				864	(351)	(6,140)
Balance at end of period				$ (9,790)	$ (10,654)	$ (10,303)		$ (9,790)