Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of contractual cash obligations

The following table sets forth our contractual cash obligations for our continuing operations including debt obligations, minimum rentals for the non-cancelable term of all operating leases and obligations under software license and other agreements (in millions):

	Debt		Operating Leases		Software License Agreements		Other		Total
2018	$	83.7	$	23.8	$	34.9	$	18.9	$	161.3
2019	3.6		19.1		33.6		12.1		68.4
2020	183.7		16.4		30.0		3.7		233.8
2021	0.7		14.7		28.9		2.4		46.7
2022	0.8		12.5		7.6		2.1		23.0
Thereafter	350.8		17.5		—		—		368.3
Total	$	623.3	$	104.0	$	135.0	$	39.2	$	901.5

Schedule of rent expense

The following rental costs were incurred (in millions):

	Year Ended December 31,
	2017		2016		2015
Rent expense	$	28.6	$	22.2	$	23.6
Occupancy expenses included in above amounts that were charged by unconsolidated real estate affiliates	6.0		5.9		6.8