XML 131 R115.htm IDEA: XBRL DOCUMENT

Income Taxes - Schedule of Additional Information Relating to Unrecognized Tax Benefits (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Unrecognized Tax Benefits [Line Items]
Unrecognized tax benefits at the end of the year that, if recognized, would favorably affect the effective tax rate (includes interest and penalties of $14,799, $8,454 and $7,099, respectively)	$ 44,452	$ 44,545	$ 39,112
Offset to deferred tax assets for unrecognized tax benefits	26,294	26,109	26,592
Interest and penalties recognized in current income tax expense (after giving effect to the reversal of interest and penalties of $3,130, $1,785 and $2,430, respectively)	$ 6,345	$ 1,355	$ (148)

This element represents the total of interest expense recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties in the period in which the entity claims or expects to claim a tax position, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

+ References+ Details