Prepaid expenses and other assets

12 Months Ended

Dec. 31, 2020

Prepaid Expenses And Other Assets [Abstract]

Prepaid Expenses and Other Assets

5. Prepaid Expenses and Other Assets

Prepaid expenses and other assets consist of the following:

	December 31, 2020		December 31, 2019
	(in millions)
Prepaid expenses and other assets	$	8.6	$	7.9
Unbilled accounts receivable		8.2		15.3
Total prepaid expenses and other assets	$	16.8	$	23.2