Property and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Leasehold improvements	$ 78,129us-gaap_LeaseholdImprovementsGross	$ 65,742us-gaap_LeaseholdImprovementsGross
Construction in progress	7,305us-gaap_ConstructionInProgressGross	18,477us-gaap_ConstructionInProgressGross
Furniture and equipment	35,952us-gaap_FurnitureAndFixturesGross	36,394us-gaap_FurnitureAndFixturesGross
Computer equipment and software	100,484fcn_ComputerEquipmentAndSoftware	97,390fcn_ComputerEquipmentAndSoftware
Property, Plant and Equipment, Gross, Total	221,870us-gaap_PropertyPlantAndEquipmentGross	218,003us-gaap_PropertyPlantAndEquipmentGross
Accumulated depreciation and amortization	(139,707)	(138,996)
Property and equipment, net	$ 82,163us-gaap_PropertyPlantAndEquipmentNet	$ 79,007us-gaap_PropertyPlantAndEquipmentNet

Gross amount, at the balance sheet date, of computer equipment and capitalized computer software costs.

No definition available.

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- 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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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

+ References

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- Definition

Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

+ References

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- Definition

Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

+ References

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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