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Goodwill And Other Intangible Assets Reconciliation of Goodwill and Identifiable Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Intangible Assets and Goodwill [Table Text Block]
The components of goodwill and identifiable intangibles at December 31, 2020 and 2019, and related amortization periods are as follows:
(In thousands)20202019Amortization Periods
Goodwill$67,708 $81,404 Not amortized
Identifiable intangible assets, net:
Customer relationships (cost basis of $29,450 in 2020 and $29,550 in 2019)
17,551 20,198 10-12 years
Proprietary technology (cost basis of $3,726 in 2020 and $6,181 in 2019)
194 895 Not more than 15 years
Trade names (cost basis of $13,397 in 2020 and $13,645 in 2019)
1,075 1,543 5 - 13 years
Total carrying value of identifiable intangibles18,820 22,636 
Total carrying value of goodwill and identifiable intangible assets$86,528 $104,040 
(In thousands) Customer Relationships Proprietary Technology Trade Names Total
Aluminum Extrusions:
Net carrying value at December 31, 2018$22,124 $75 $10,555 $32,754 
Amortization expense(2,480)(20)(10,555)(13,055)
Net carrying value at December 31, 201919,644 55 — 19,699 
Amortization expense(2,480)(20)— (2,500)
Net carrying value at December 31, 2020$17,164 $35 $— $17,199 
PE Films:
Net carrying value at December 31, 2018$— $730 $— $730 
Amortization expense— (120)— (120)
Net carrying value at December 31, 2019— 610 — 610 
Amortization expense— (120)— (120)
Bright View disposal— (490)— (490)
Net carrying value at December 31, 2020$— $— $— $— 
Flexible Packaging Films:
Net carrying value at December 31, 2018$661 $288 $1,862 $2,811 
Amortization expense(91)(55)(280)(426)
Increase (decrease) due to foreign currency translation(16)(3)(39)(58)
Impairment loss— — — — 
Net carrying value at December 31, 2019554 230 1,543 2,327 
Amortization expense(84)(53)(260)(397)
Increase (decrease) due to foreign currency translation(83)(18)(208)(309)
Net carrying value at December 31, 2020$387 $159 $1,075 $1,621 
Total net carrying value of identifiable intangibles at December 31, 2020$17,551 $194 $1,075 $18,820