Other Current Liabilities (Tables)

3 Months Ended

Mar. 31, 2021

Payables and Accruals [Abstract]

Schedule of Other Current Liabilities

Other current liabilities consisted of the following:

	March 31, 2021		December 31, 2020
Accrued capital expenditures	$	2.0	$	4.1
Accrued interest payable – related parties	0.8		0.9
Current portion of environmental remediation obligation	0.5		0.4
Current portion of lease liabilities	0.1		0.1
Accrued liabilities	2.4		2.3
Other current liabilities	$	5.8	$	7.8