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Foreign Currency Hedging (Narrative) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012
Foreign Currency Hedging [Abstract]
Gain recognized in other comprehensive income (loss) net of tax effects		$ 391
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net	(3)		57
Restructuring hedges, net loss	$ 0		$ 27

- Definition

The effective portion of gains on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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