Prepaid Expenses and Other Current Assets

12 Months Ended

Dec. 31, 2019

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Prepaid Expenses and Other Current Assets

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consist of the following at December 31:

	2019		2018
Prepaid insurance	$	11.0	$	7.8
Prepaid expenses	18.4		21.3
Other receivables and current assets	5.3		6.4
Parts and supplies inventory	9.3		9.3
	$	44.0	$	44.8