CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net income	$ 70,557	$ 60,525	$ 138,640	$ 116,596
Unrealized gain on investment securities available-for-sale:
Unrealized holding gains arising during period	1,002	15,166	21,272	22,569
Reclassification adjustment for net gains included in net income	(41)	(648)	(321)	(2,107)
Noncredit-related impairment loss on securities			(2,938)	(2,953)
Foreign currency translation adjustments	(6)	67	4	(665)
Other comprehensive income	955	14,585	18,017	16,844
COMPREHENSIVE INCOME	$ 71,512	$ 75,110	$ 156,657	$ 133,440

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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+ Details

- Definition

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

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- Definition

Adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity, net of tax, attributable to the parent entity.

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Reclassification adjustment for unrealized gains or losses realized upon the sale of securities, after tax.

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- Definition

Appreciation or loss in value (before reclassification adjustment) of the total of unsold securities during the period being reported on, net of tax. Reclassification adjustments include: (1) the unrealized holding gain (loss), net of tax, at the date of the transfer for a debt security from the held-to-maturity category transferred into the available-for-sale category. Also includes the unrealized gain (loss) at the date of transfer for a debt security from the available-for-sale category transferred into the held-to-maturity category; (2) the unrealized gains (losses) realized upon the sale of securities, after tax; and (3) the unrealized gains (losses) realized upon the write-down of securities, after tax.

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