Other Current Assets (Tables)

3 Months Ended

Mar. 31, 2019

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Schedule of Other Current Assets

	March 31, 2019		December 31, 2018
Prepaid expenses	$	7.3	$	4.1
Other		0.9		0.7
Total other current assets	$	8.2	$	4.8