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Business Acquisitions - Early Discovery Breakout of Definite-Lived Intangible Assets Acquired (Details) - Early Discovery UK - USD ($) $ in Thousands	Apr. 01, 2015	Apr. 01, 2014
Definite-Lived Intangible Assets
Client relationships		$ 94,000
Backlog		5,900
Trademark and trade names		1,170
Leasehold interests		1,000
Other intangible assets		2,400
Total definite-lived intangible assets		$ 104,470
Client relationships
Definite-Lived Intangible Assets
Weighted average amortization life	18 years
Backlog
Definite-Lived Intangible Assets
Weighted average amortization life	1 year
Trademark and trade names
Definite-Lived Intangible Assets
Weighted average amortization life	3 years
Leasehold interests
Definite-Lived Intangible Assets
Weighted average amortization life	13 years
Other intangible assets
Definite-Lived Intangible Assets
Weighted average amortization life	19 years

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Definite-Lived Intangible Assets [Abstract]

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Finite-Lived Intangible Assets Acquired, Backlog

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Finite-Lived Intangible Assets Acquired, Leasehold Interests

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Finite-Lived Intangible Assets Acquired, Other Intangible Assets

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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



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The amount of identifiable intangible assets recognized as of the acquisition date.

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