Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Operating Leases Future Minimum Payments Receivable

The following is a schedule by year of future minimum lease obligations under non-cancelable operating leases as of December 31, 2017 (in millions):

Year Ending December 31,
2018	$	33.4
2019	28.6
2020	20.6
2021	16.5
2022	12.4
Thereafter	49.0
Total (1)	$	160.5

(1) Excludes $13.0 million of expected sublease income.

Future Minimum Purchase Obligations Under Non-cancelable Agreements

The following is a schedule by year of future minimum purchase obligations under non-cancelable arrangements in the ordinary course of business as of December 31, 2017 (in millions):

Year Ending December 31,
2018	$	417.1
2019	55.4
2020	23.4
2021	22.1
2022	10.9
Thereafter	14.5
Total	$	543.4