Transactions with Major Customers and Concentration of Credit Risk (Tables)

12 Months Ended

Dec. 31, 2018

Risks and Uncertainties [Abstract]

Schedule of Revenues from Third Party Customers

The following table shows revenues from third party customers that accounted for a 10% or greater share of consolidated revenues for the indicated years:

	2018		2017		2016
Customer C	$	64.5	$	70.3	$	72.9

Schedule of Accounts Receivable from Third Party Customers

The following table shows accounts receivable from third party customers that accounted for a 10% or greater share of consolidated net accounts receivable for the indicated years:

	December 31,
	2018		2017		2016
Customer C	$	5.2	$	5.8	$	6.3