Basis of Preparation (Tables)

3 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Operating Lease Future Minimum Lease Payments

The following table summarizes future minimum lease payments for non-cancelable operating leases as of March 31, 2019 and December 31, 2018:

	March 31, 2019		December 31, 2018
2019 (1)	$	5.8	$	7.9
2020	6.3		6.9
2021	5.6		5.7
2022	5.3		5.3
2023	4.6		4.6
Thereafter (2)	9.1		9.2
Total future minimum lease payments	$	36.7	$	39.6

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⁽¹⁾  Amount as of March 31, 2019 represents lease payments for the remaining nine months, April 2019 through December 2019.

⁽²⁾  As of March 31, 2019, future minimum lease payments for non-cancelable operating leases for period subsequent to 2023 relate to 11 leased facilities.