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Accumulated Other Comprehensive Loss
 12 Months Ended
Dec. 28, 2019
Stockholders' Equity Note [Abstract]  
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Loss:

Accumulated other comprehensive loss, net of tax, consisted of the following:
(in thousands)
 
Unrealized Gain (Loss) on Postretirement Plan
 
Foreign Currency Translation
 
Accumulated Other Comprehensive (Loss) Income
Balance, December 31, 2016
 
$
1,952

 
$
(41,653
)
 
$
(39,701
)
2017 activity
 
(194
)
 
14,941

 
14,747

Balance, December 30, 2017
 
1,758

 
(26,712
)
 
(24,954
)
2018 activity
 
(294
)
 
(18,945
)
 
(19,239
)
Balance, December 29, 2018
 
1,464

 
(45,657
)
 
(44,193
)
2019 activity
 
(142
)
 
9,766

 
9,624

Balance, December 28, 2019
 
$
1,322

 
$
(35,891
)
 
$
(34,569
)