Acquisitions - Luxoft, Intangible Assets (Details) - Luxoft Holding Inc.	Jun. 14, 2019
Customer related intangibles
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (Years)	10 years
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (Years)	20 years
Developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (Years)	3 years
Third-party purchased software
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (Years)	3 years

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration