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Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Apr. 01, 2012
Consolidated Statements of Comprehensive Income [Abstract]
Net (loss) income	$ (6,459)	$ 5,288
Other comprehensive income:
Foreign currency translation adjustments, net of tax	1,716	2,337
Unrealized gain on available-for-sale securities, net of tax	0	482
Other comprehensive income, net of tax	1,716	2,819
Comprehensive (loss) income	$ (4,743)	$ 8,107

X

- Definition

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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