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Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of definite lived intangible assets
Definite lived intangible assets are comprised of the following (in millions):
Estimated Useful Life
(years)
September 30, 2020December 31, 2019
Customer relationships
10-18
$11.4 $11.4 
Less: accumulated amortization(2.7)(2.1)
Intangible assets, net$8.7 $9.3 
Schedule of aggregated amortization expense for future periods Amortization expense for the future periods is expected to be as follows (in millions):
For the twelve months ending September 30,Amount
2021$0.7 
20220.7 
20230.7 
20240.7 
20250.8 
Thereafter5.1 
Total$8.7