Acquisition Of Ninetyfive 5 LLC (Schedule Of Acquisition Preliminary Valuation) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 01, 2013	Aug. 31, 2012
Goodwill	$ 16,124	$ 9,172
NinetyFive 5 [Member]
Computer equipment	14
Intangible assets	3,989
Goodwill	4,717
Loss on content license	951
Purchase price payable (accrued liabilities)	(3,475)
Contigent earn-out liability (long-term liabilities)	(4,100)
Gain on equity interest	(971)
Cash paid	$ 1,125

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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