Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2018

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Schedule of Other Current Assets

	December 31, 2018		December 31, 2017
Prepaid expenses	$	4.1	$	7.1
Other		0.7		0.8
Total other current assets	$	4.8	$	7.9