Property And Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2011

Property And Equipment, Net [Abstract]



	December 31,

	2011			2010
Office and computer equipment (3 – 20 year estimated useful life)	$	106.8		$	92.2
Office furniture and fixtures (5 – 10 year estimated useful life)		40.6			40.2
Internal-use computer software (3 – 5 year estimated useful life)		241.8			199.1
Leasehold improvements (3 – 17 year estimated useful life)		195.8			188.6

Total property and equipment, at cost		585.0			520.1
Less: accumulated depreciation and amortization		(258.2	)		(200.8	)

Total property and equipment, net	$	326.8		$	319.3

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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