Other Current Assets (Tables)

6 Months Ended

Jun. 30, 2019

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Schedule of Other Current Assets

	June 30, 2019		December 31, 2018
Prepaid expenses	$	5.7	$	4.1
Other		1.0		0.7
Total other current assets	$	6.7	$	4.8