Goodwill (Schedule of Goodwill) (Details) - USD ($) $ in Thousands	6 Months Ended	8 Months Ended
Jun. 27, 2020	Jun. 27, 2020
Goodwill [Roll Forward]
Beginning balance	$ 35,018
Adjustment to purchase price	(156)
Foreign currency translation adjustment	(274)
Ending balance	34,588	$ 34,588
KELK Acquisition \| Weighing and Control Systems Segment
Goodwill [Roll Forward]
Beginning balance	6,559
Adjustment to purchase price	0
Foreign currency translation adjustment	(275)
Ending balance	6,284	6,284
DSI Acquisition
Goodwill [Roll Forward]
Adjustment to purchase price		(156)
Ending balance	18,450	18,450
DSI Acquisition \| Weighing and Control Systems Segment
Goodwill [Roll Forward]
Beginning balance	18,606
Adjustment to purchase price	(156)
Foreign currency translation adjustment	1
Ending balance	18,451	18,451
Stress-Tek Acquisition \| Weighing and Control Systems Segment
Goodwill [Roll Forward]
Beginning balance	6,311
Adjustment to purchase price	0
Foreign currency translation adjustment	0
Ending balance	6,311	6,311
Pacific Acquisition \| Foil Technology Products Segment
Goodwill [Roll Forward]
Beginning balance	3,542
Adjustment to purchase price	0
Foreign currency translation adjustment	0
Ending balance	$ 3,542	$ 3,542

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Section 50
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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 25
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