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Components of Provisions for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current tax provision:
Ireland taxes	$ 2,647	$ 1,746	$ 481
Foreign taxes	(9,360)	(1,829)	(114)
Total current tax provision (benefit)	(6,713)	(83)	367
Deferred tax provision (benefit):
Ireland taxes	(80)	79	1,054
Foreign taxes	2,690	3,911	(556)
Total deferred tax provision (benefit)	2,610	3,990	498
Total provision for (benefit from) income taxes	$ (4,103)	$ 3,907	$ 865

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.