Restricted Cash (Tables)

12 Months Ended

Dec. 31, 2019

Restricted Cash [Abstract]

Restricted Cash

	As of
(in millions)	December 31, 2019		December 31, 2018		December 31, 2017
Cash and cash equivalents	$	59.1	$	52.7	$	48.3
Restricted cash	1.8		1.4		—
Cash, cash equivalents and restricted cash	$	60.9	$	54.1	$	48.3