Shareholders' Equity - Activity in Shareholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 03, 2021	Oct. 04, 2020	Jul. 05, 2020	Apr. 05, 2020	Dec. 29, 2019	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Jan. 03, 2021	Dec. 29, 2019	Dec. 30, 2018
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of year				$ 368,202					$ 368,202
Net income (loss)	$ 19,616	$ 5,913	$ 4,709	$ (102,167)	$ 16,432	$ 26,210	$ 29,499	$ 7,059	(71,929)	$ 79,200	$ 50,253
Foreign currency translation adjustment									52,808	(11,652)	$ (22,544)
Balance at end of year	$ 326,538				$ 368,202				$ 326,538	$ 368,202
COMMON STOCK
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of year (in shares)				58,416,000				59,508,000	58,416,000	59,508,000	59,806,000
Balance at beginning of year				$ 5,842				$ 5,951	$ 5,842	$ 5,951	$ 5,981
Issuances of stock (other than restricted stock) (in shares)									239,000	511,000	224,000
Issuances of stock (other than restricted stock)									$ 24	$ 51	$ 22
Restricted stock issuances (in shares)									304,000	223,000	182,000
Restricted stock issuances									$ 30	$ 22	$ 18
Forfeitures and compensation expense related to stock awards (in shares)									(295,000)	(270,000)	(89,000)
Forfeitures and compensation expense related to stock awards									$ (31)	$ (26)	$ (9)
Share repurchases (in shares)										(1,556,000)	(615,000)
Share repurchases										$ (156)	$ (61)
Balance at end of year (in shares)	58,664,000				58,416,000				58,664,000	58,416,000	59,508,000
Balance at end of year	$ 5,865				$ 5,842				$ 5,865	$ 5,842	$ 5,951
ADDITIONAL PAID-IN CAPITAL
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of year				250,306				270,269	250,306	270,269	271,271
Issuances of stock (other than restricted stock)									195	636	476
Restricted stock issuances									3,999	3,900	4,809
Unamortized compensation expense related to restricted stock awards									(4,030)	(4,139)	(4,710)
Forfeitures and compensation expense related to stock awards									(2,550)	4,638	12,847
Share repurchases										(24,998)	(14,424)
Balance at end of year	247,920				250,306				247,920	250,306	270,269
RETAINED EARNINGS
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of year				286,056				222,214	286,056	222,214	187,432
Net income (loss)									(71,929)	79,200	50,253
Cash dividends declared									(5,565)	(15,358)	(15,471)
Balance at end of year	208,562				286,056				208,562	286,056	222,214
PENSION LIABILITY
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of year				(56,700)				(43,610)	(56,700)	(43,610)	(56,554)
Pension liability adjustment									(12,588)	(13,090)	12,944
Balance at end of year	(69,288)				(56,700)				(69,288)	(56,700)	(43,610)
FOREIGN CURRENCY TRANSLATION ADJUSTMENT
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of year				(113,139)				(101,487)	(113,139)	(101,487)	(78,943)
Foreign currency translation adjustment									52,808	(11,652)	(22,544)
Balance at end of year	(60,331)				(113,139)				(60,331)	(113,139)	(101,487)
CASH FLOW HEDGE
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of year				$ (4,163)				$ 1,326	(4,163)	1,326
Cash flow hedge unrealized loss									(2,027)	(5,489)	422
Balance at end of year	$ (6,190)				$ (4,163)				$ (6,190)	$ (4,163)	$ 1,326