Condensed Consolidated Statements of Operations and Comprehensive Income (Parenthetical) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
Changes in cumulative translation adjustment inclusive of divestiture of business reclassified to gain from sale	$ 0.0	$ 0.0	$ 0.0	$ 0.0