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BUSINESS DESCRIPTION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2021
Accounting Policies [Abstract]  
Property, Plant and Equipment, Estimated Useful Lives
Depreciation of plant and equipment is calculated using the straight-line method over the estimated useful lives of the assets as follows:
Buildings
15-25 years
Equipment
2-28 years
Property, plant and equipment at December 31, 2021 and 2020 are summarized as follows:
 20212020
Land$11,692 $12,215 
Building89,602 86,873 
Equipment253,995 247,884 
Construction in progress52,930 31,240 
 408,219 378,212 
Less: Accumulated depreciation170,702 150,116 
Property, plant and equipment, net$237,517 $228,096 
Summary of Goodwill
The Company had goodwill in the amount of $523,949 and $529,463 as of December 31, 2021 and 2020, respectively, subject to the provisions of ASC 350, “Intangibles-Goodwill and Other.”
Goodwill at December 31, 2019$523,998 
Goodwill as a result of Zumbro Acquisition432 
Goodwill impairment(1,228)
Impact due to change in foreign exchange rates6,261 
Goodwill at December 31, 2020529,463 
Impact due to change in foreign exchange rates(5,514)
Goodwill at December 31, 2021$523,949 

 December 31, 2021December 31, 2020
HNH$424,044 $424,051 
ANH17,207 17,824 
Specialty Products82,654 87,539 
Other and Unallocated44 49 
Total$523,949 $529,463 
Intangible Assets, Estimated Useful Lives
The following intangible assets with finite lives are stated at cost and are amortized either on an accelerated basis or on a straight-line basis over the following estimated useful lives:
 Amortization Period
(in years)
Customer relationships and lists
10 - 20
Trademarks & trade names
2 - 17
Developed technology
5 - 12
Regulatory registration costs
5 - 10
Patents & trade secrets
15 - 17
Other
 2 - 18
As of December 31, 2021 and 2020, the Company had identifiable intangible assets as follows:
20212020
 Amortization
Period
(In years)
Gross
Carrying
Amount
Accumulated
Amortization
Gross
Carrying
Amount

Accumulated
Amortization
Customer relationships & lists
10-20
$240,059 $173,489 $243,557 $158,051 
Trademarks & trade names
2-17
43,116 28,985 43,208 24,974 
Developed technology
5-12
20,234 14,607 21,674 13,693 
Other
2-18
23,921 15,584 21,624 11,685 
  $327,330 $232,665 $330,063 $208,403