Business Acquisitions (Schedule Of Total Purchase Price) (Details) - USD ($) $ in Thousands	Jul. 11, 2017	May 15, 2017
Robert Gregory Partners [Member]
Business Acquisition [Line Items]
Cash paid		$ 3,500
Fair value of contingent consideration		1,413
Total purchase price		$ 4,913
Jhana Education [Member]
Business Acquisition [Line Items]
Cash paid	$ 3,525
Fair value of contingent consideration	6,052
Total purchase price	$ 9,577

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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