Leases (Tables)

12 Months Ended

Dec. 31, 2016

Rent expense for the three years ended December 31, 2016 was (in millions):



	2016			2015			2014
Office base rent	$	339.7		$	342.5		$	373.1
Third party sublease rent	(5.6		)	(11.0		)	(11.2		)
Net office rent	334.1			331.5			361.9
Equipment rent	21.0			22.6			27.9
	$	355.1		$	354.1		$	389.8

Future Minimum Lease Payments Under Non-Cancelable Operating and Capital Leases

Future minimum payments under non-cancelable operating leases, reduced by third party sublease rent receivable from existing non-cancelable subleases, and capital leases are (in millions):



	Operating Leases			Capital Leases
2017	$	299.5		$	26.2
2018	232.1			19.3
2019	197.4			14.8
2020	157.5			11.1
2021	131.0			5.7
Thereafter	550.9			1.3
Minimum lease payments	1,568.4			78.4
Sublease rent	(7.8		)
Net rent	$	1,560.6
Interest component				(4.4		)
Present value of minimum lease payments				$	74.0

Property Under Capital Lease and Capital Lease Obligations

Property under capital lease and capital lease obligations at December 31, 2016 and 2015 were (in millions):



	2016			2015
Property under capital lease:
Cost	$	184.8		$	154.6
Accumulated depreciation	(110.2		)	(100.4		)
	$	74.6		$	54.2
Capital lease obligations:
Current	$	24.2		$	22.8
Long-term	49.8			35.2
	$	74.0		$	58.0