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Condensed Consolidated Statements of Stockholders' Equity - USD ($)
$ in Millions
Total
Common stock
Additional paid-in capital
Accumulated other comprehensive loss
Retained earnings (accumulated deficit)
Non-Controlling Interest
Beginning balance at Dec. 31, 2019 $ 1,077.3 $ 0.7 $ 1,085.1 $ (5.3) $ (3.3) $ 0.1
Issuance of common stock under share-based compensation plans, net of shares exchanged for withholding tax 0.2   0.2      
Share-based payment expense 7.5   7.5      
Non-controlling interest (0.1)         (0.1)
Net loss (115.2)       (115.2)  
Reclassification out of accumulated other comprehensive loss upon the deconsolidation of a subsidiary 0.1     0.1    
Other comprehensive loss, net of tax (2.6)     (2.6)    
Ending balance at Mar. 31, 2020 967.2 0.7 1,092.8 (7.8) (118.5) 0.0
Beginning balance at Dec. 31, 2020 881.0 0.8 1,109.5 (2.3) (227.0) 0.0
Issuance of common stock under share-based compensation plans, net of shares exchanged for withholding tax 26.0 0.0 26.0      
Share-based payment expense 9.0   9.0      
Net loss (39.5)       (39.5)  
Other comprehensive loss, net of tax (1.3)     (1.3)    
Ending balance at Mar. 31, 2021 $ 875.2 $ 0.8 $ 1,144.5 $ (3.6) $ (266.5) $ 0.0