CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net Income	$ 47,188	$ 27,533	$ 161,335	$ 148,350
Other comprehensive income (loss) before tax:
Foreign currency translation adjustment	(120)	(222)	(1,066)	(1,950)
Reclassification adjustment for (gains) losses included in net income (loss)	0	0	0	10,084
Adjustment of pension and postretirement benefit plans	0	0	0	0
Amortization of net losses	6,289	3,243	18,868	9,730
Amortization of prior service cost	(50)	(240)	(150)	(720)
Unrealized holding gains (losses) on securities available-for-sale arising during the period	(6,567)	29,021	(33,022)	59,822
Reclassification adjustment for (gains) losses on securities available-for-sale included in net income (loss)	(64)	(8,134)	285	(8,044)
Unrealized net gains (losses) on cash flow hedges	(6,285)	(6,295)	(12,612)	(9,939)
Reclassification adjustment for (gains) losses on cash flow hedges included in net income (loss)	3,701	4,139	9,677	7,333
Other comprehensive income before tax	(3,096)	21,512	(18,020)	66,316
Income tax expense	244	(708)	1,133	(4,780)
Total other comprehensive income (loss), net of tax	(2,852)	20,804	(16,887)	61,536
Comprehensive income (loss), net of tax	$ 44,336	$ 48,337	$ 144,448	$ 209,886