The calculated weighted-average amortization period of a major class of finite-lived intangible assets acquired during the current period either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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Amount of cash paid to acquire the entity.

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

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The amount of cash and cash equivalents acquired in a business combination.

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The amount of acquisition cost of a business combination allocated to receivables.

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Amount of deferred tax assets or liabilities for the differences between the values assigned and the tax bases of assets and liabilities in a business combination, net of any valuation allowance for deferred tax assets.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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The amount of acquisition cost of a business combination allocated to liabilities assumed.

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The amount of acquisition cost of a business combination allocated to noncurrent assets of the acquired entity, except for property plant and equipment, intangible assets, and goodwill.

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Business Combinations (Acquisition Of LoyaltyLab, Inc.) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended		0 Months Ended
	Nov. 30, 2011 Customer Base [Member] years	Nov. 30, 2011 Trademarks [Member] years	Dec. 07, 2010 Loyalty Lab, Inc. [Member] years	Dec. 07, 2010 Loyalty Lab, Inc. [Member] Existing Technology [Member] years	Dec. 07, 2010 Loyalty Lab, Inc. [Member] Customer Base [Member] years	Dec. 07, 2010 Loyalty Lab, Inc. [Member] Trademarks [Member] years
Business Acquisition [Line Items]
Cash			$ 905
Accounts receivable (approximate contractual value)			5,118
Deferred income tax liabilities, net			3,758
Other assets			729
Intangible assets subject to amortization			6,600	2,000	4,100	500
Goodwill			11,966
Liabilities			(5,590)
Business acquisition, cash paid			23,486
Gross Amount at Acquisition Date			$ 6,600	$ 2,000	$ 4,100	$ 500
Weighted Average Amortization Period (in years)	3.7	4.1	5.0	5.0	5.0	5.0