Leases (Tables)

12 Months Ended

Dec. 31, 2017

Leases [Abstract]

Future minimum lease payments required under our leasing arrangements

Future minimum lease payments required under our operating leases at December 31, 2017 were approximately as follows:

	2018		2019		2020		2021		2022		Thereafter
Future minimum lease payments	$	35.0	$	28.2	$	21.6	$	16.3	$	11.4	$	23.3