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Fixed Assets and Lease Commitments - Schedule of Fixed Assets (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Fixed assets
Fixed assets, at cost	$ 234.2	$ 231.0
Accumulated depreciation and amortization	(124.1)	(116.9)
Fixed assets, net	110.1	114.1	$ 95.4
Building and Leasehold Improvements
Fixed assets
Fixed assets, at cost	103.5	104.7
Software
Fixed assets
Fixed assets, at cost	52.5	45.4
Equipment
Fixed assets
Fixed assets, at cost	39.5	39.9
Furniture and Fixtures
Fixed assets
Fixed assets, at cost	20.8	22.4
Land and Improvements
Fixed assets
Fixed assets, at cost	$ 17.9	$ 18.6

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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