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Subsequent Events Subsequent Event (Details) - Subsequent Event [Member] - USD ($) $ in Millions	1 Months Ended
	Aug. 03, 2016	Aug. 01, 2016
Subsequent Event [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired		$ 251
payment to acquire business - Integral UK Ltd.	$ 341
Payment to acquire businesses-excluding Integral	$ 100

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- Definition

Maximum potential payments to acquire businesses-excluding Integral

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No definition available.

+ Details

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- Definition

Maximum potential payment to acquire business - Integral UK Ltd.

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No definition available.

+ Details

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- Definition

Payments to acquire businesses, net of cash acquired- Integral UK Ltd

+ References

No definition available.

+ Details

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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No definition available.

+ Details

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- Details

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