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Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Condensed Consolidated Statements of Comprehensive Income
Net income	$ 4,537	$ 65,271
Other comprehensive loss, net of tax:
Foreign currency translation adjustment during the period	(700)	(391)
Unrealized holding losses on corporate debt securities arising during the period		(99)
Other comprehensive loss	(700)	(490)
Comprehensive income	$ 3,837	$ 64,781

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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