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GOODWILL AND INTANGIBLE ASSETS, NET (Tables)
3 Months Ended
Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of changes in goodwill by business segment
An analysis of changes in the Company’s goodwill by business segment is as follows (in millions):
     AWPMPTotal
Balance at December 31, 2020, gross
$140.6 $196.6 $337.2 
Accumulated impairment(38.6)(23.2)(61.8)
Balance at December 31, 2020, net
102.0 173.4 275.4 
Foreign exchange effect and other(0.5)1.0 0.5 
Balance at March 31, 2021, gross
140.1 197.6 337.7 
Accumulated impairment(38.6)(23.2)(61.8)
Balance at March 31, 2021, net
$101.5 $174.4 $275.9 
Schedule of intangible assets by class
Intangible assets, net were comprised of the following (in millions):
March 31, 2021December 31, 2020
Weighted Average Life
(in years)
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountGross Carrying AmountAccumulated AmortizationNet Carrying Amount
Definite-lived intangible assets:
Technology7$9.8 $(9.2)$0.6 $10.1 $(9.6)$0.5 
Customer Relationships2226.0 (24.3)1.7 26.1 (24.1)2.0 
Land Use Rights
804.4 (0.8)3.6 4.4 (0.7)3.7 
Other825.4 (23.4)2.0 25.5 (23.4)2.1 
Total definite-lived intangible assets
$65.6 $(57.7)$7.9 $66.1 $(57.8)$8.3 
Finite-lived Intangible Assets Amortization Expense
Three Months Ended
March 31,
(in millions)20212020
Aggregate Amortization Expense$0.4 $0.4 
Schedule of intangible assets amortization expense
Estimated aggregate intangible asset amortization expense (in millions) for each of the next five years is as follows:
2021$1.7 
20221.3 
20230.7 
20240.5 
20250.4