Revenue - Schedule of Contract Assets and Liabilities (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Revenue from Contract with Customer [Abstract]
Contract assets	$ 49.5	$ 41.0
Contract liabilities	29.1	32.6
Net contract assets	20.4	$ 8.4
$ Change
Contract assets	8.5
Contract liabilities	(3.5)
Net contract assets	$ 12.0
% Change
Contract assets	20.70%
Contract liabilities	(10.70%)
Net contract assets	142.90%