Business Combinations (Schedule of Total Purchase Price) (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended
Jul. 03, 2011 GlobalExpense	Jan. 24, 2011 Tripit
Business Acquisition [Line Items]
Current assets	$ 2,597
Property, plant and equipment	329
Current liabilities	(2,817)
Net obligations assumed		(1,853)
Intangible assets	10,350	19,604
Deferred tax liability	(1,784)	(147)
Goodwill	13,135	69,205
Total purchase price	$ 21,810	$ 86,809

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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 assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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