Annual report pursuant to Section 13 and 15(d)

BUSINESS COMBINATIONS - Qwest Acquisition (Details)

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BUSINESS COMBINATIONS - Qwest Acquisition (Details) - Qwest Air Parts, Inc - USD ($)
$ in Millions
7 Months Ended
Jun. 10, 2019
Dec. 31, 2019
Business Acquisition [Line Items]    
Consideration for acquiring shares $ 26.1  
Revenues from operations since acquisition   $ 10.4
Income from operations since acquisition   $ 1.8