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Consolidated Statements of Stockholders' Equity (Parenthetical) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Statement of Stockholders' Equity [Abstract]    
Impact of implementing new revenue recognition standard, tax $ (0.2) $ 1.1
Unrealized loss resulting from change in fair value of derivative instruments, tax $ 1.4