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Employee Benefit Plans - Components of Net Periodic Benefit Cost (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 02, 2021
Dec. 28, 2019
Dec. 29, 2018
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Settlement loss   $ 5,887  
Other Post-Retirement      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Service cost $ 6 4 $ 213
Interest cost 39 149 172
Expected return on plan assets (3) (4) (3)
Amortization of net actuarial loss 16 13 136
Amortization of prior service cost 0 0 86
Settlement loss 0 57 0
Curtailment loss 0 0 309
Net Periodic Benefit Cost 58 219 913
United States | Pension benefits      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Service cost   0 699
Interest cost   1,134 1,193
Expected return on plan assets   (995) (1,286)
Amortization of net actuarial loss   32 541
Amortization of prior service cost   0 0
Settlement loss   5,887 0
Curtailment loss   0 1,116
Net Periodic Benefit Cost   6,058 2,263
Foreign Plan | Pension benefits      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Service cost 209 205 173
Interest cost 98 121 126
Expected return on plan assets (60) (66) (42)
Amortization of net actuarial loss 50 25 63
Amortization of prior service cost 55 6 6
Settlement loss 0 0 0
Curtailment loss 0 0 0
Net Periodic Benefit Cost $ 352 $ 291 $ 326