CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 42,618	$ 39,842
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	5,729	(14,623)
Total comprehensive income	$ 48,347	$ 25,219

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

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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+ Details

- Definition

Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

+ References+ Details