Subsequent Event (Details) (Subsequent Event, USD $) In Millions, unless otherwise specified	3 Months Ended	0 Months Ended
Jun. 30, 2015	Apr. 14, 2015
Subsequent Event
Pre-tax charge	$ 10.5
After-tax loss	7.8
Customer Interaction \| The Aberdeen Group and Market Intelligence
Subsequent Event
Proceeds from sale		$ 9.0

Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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