Comprehensive Income (Loss) - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Foreign Currency Translation Net of Tax	$ 8,162
Discontinued Operations [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Foreign Currency Translation Net of Tax	$ 8,162

Amount after tax of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.

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