Goodwill (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of amounts for goodwill and changes to carrying value by operating segment

The changes to carrying amount of goodwill for the three months ended March 31, 2020 was as follows:

(millions) (unaudited)	Commercial			Aviation		Total
Balance as of December 31, 2019	$	368.9		$	217.1	$	586.0
Foreign currency translation	(0.3		)	—		(0.3		)
Balance as of March 31, 2020	$	368.6		$	217.1	$	585.7