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Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Property Plant And Equipment [Abstract]

Summary of Property and Equipment

Property and equipment consists of the following (dollars in thousands):

				December 31,
		Useful Lives			2017				2016
Computer hardware and software		3-10 years		$	670,059			$	683,738
Leasehold improvements		1-15 years			415,947				342,940
Furniture and equipment		1-10 years			279,621				247,768
Equipment under capital leases		3-5 years			10,803				10,755
Total cost					1,376,430				1,285,201
Accumulated depreciation and amortization					(758,691	)			(724,445	)
Property and equipment, net				$	617,739			$	560,756

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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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