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Fixed Assets (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Summary of Fixed Assets

Major classes of fixed assets consist of the following (in millions):

		December 31,
		2017				2016
Office equipment		$	28.6			$	22.5
Furniture and fixtures			112.3				96.7
Leasehold improvements			124.2				107.8
Computer equipment			147.9				131.4
Land and buildings - corporate headquarters			143.6				141.7
Software			291.9				268.4
Other			12.0				10.0
Work in process			20.1				10.6
			880.6				789.1
Accumulated depreciation			(468.4	)			(411.5	)
Net fixed assets		$	412.2			$	377.6

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- References

No definition available.

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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