Shareholders' Equity - Activity in Shareholders' Equity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jul. 04, 2021	Apr. 04, 2021	Jul. 05, 2020	Apr. 05, 2020	Jul. 04, 2021	Jul. 05, 2020
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period		$ 326,538			$ 326,538
Net income (loss)	$ 15,511		$ 4,709		22,449	$ (97,458)
Pension liability adjustment	100		(342)		189	1,391
Foreign currency translation adjustment	3,455		16,160		(16,142)	915
Reclassification out of accumulated other comprehensive loss - discontinued cash flow hedge	(745)				(1,494)
Cash flow hedge unrealized loss			$ (351)			$ (6,491)
Balance at end of period	$ 335,586				$ 335,586
Cash dividends declared, per common share	$ 0.01	$ 0.01	$ 0.01	$ 0.065
COMMON STOCK
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period (in shares)	59,014	58,664	58,488	58,416	58,664	58,416
Balance at beginning of period	$ 5,901	$ 5,865	$ 5,849	$ 5,842	$ 5,865	$ 5,842
Issuances of stock (other than restricted stock) (in shares)			12	220
Issuances of stock (other than restricted stock)			$ 1	$ 22
Restricted stock issuances (in shares)	52	376	70	107
Restricted stock issuances	$ 6	$ 38	$ 7	$ 10
Compensation expense related to stock awards, net of forfeitures (in shares)	0	(26)	(26)	(255)
Compensation expense related to stock awards, net of forfeitures	$ 0	$ (2)	$ (3)	$ (25)
Balance at end of period (in shares)	59,066	59,014	58,544	58,488	59,066	58,544
Balance at end of period	$ 5,907	$ 5,901	$ 5,854	$ 5,849	$ 5,907	$ 5,854
ADDITIONAL PAID-IN CAPITAL
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period	248,571	247,920	246,378	250,306	247,920	250,306
Issuances of stock (other than restricted stock)			(1)	197
Restricted stock issuances	789	5,277	2,294	1,720
Unamortized compensation expense related to restricted stock awards	(794)	(5,315)	(2,300)	(1,731)
Compensation expense related to stock awards, net of forfeitures	1,548	689	(48)	(4,114)
Balance at end of period	250,114	248,571	246,323	246,378	250,114	246,323
RETAINED EARNINGS
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period	214,911	208,562	180,082	286,056	208,562	286,056
Net income (loss)	15,511	6,938	4,709	(102,167)
Cash dividends declared	(589)	(589)	(585)	(3,807)
Balance at end of period	229,833	214,911	184,206	180,082	229,833	184,206
PENSION LIABILITY
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period	(69,199)	(69,288)	(54,967)	(56,700)	(69,288)	(56,700)
Pension liability adjustment	100	89	(342)	1,733
Balance at end of period	(69,099)	(69,199)	(55,309)	(54,967)	(69,099)	(55,309)
FOREIGN CURRENCY TRANSLATION ADJUSTMENT
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period	(79,928)	(60,331)	(128,384)	(113,139)	(60,331)	(113,139)
Foreign currency translation adjustment	3,455	(19,597)	16,160	(15,245)
Balance at end of period	(76,473)	(79,928)	(112,224)	(128,384)	(76,473)	(112,224)
CASH FLOW HEDGE
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period	(5,441)	(6,190)			(6,190)
Reclassification out of accumulated other comprehensive loss - discontinued cash flow hedge	745	749
Balance at end of period	$ (4,696)	$ (5,441)			$ (4,696)
CASH FLOW HEDGE
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Balance at beginning of period			(10,303)	(4,163)		(4,163)
Cash flow hedge unrealized loss			(351)	(6,140)
Balance at end of period			$ (10,654)	$ (10,303)		$ (10,654)