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Restricted Cash (Tables)

6 Months Ended

Jun. 30, 2019

Restricted Cash [Abstract]

Restricted Cash

		As of
(in millions)		June 30, 2019				June 30, 2018				December 31, 2018
Cash and cash equivalents		$	474.8			$	41.7			$	52.7
Restricted cash		1.4				—				1.4
Cash, cash equivalents and restricted cash		$	476.2			$	41.7			$	54.1

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