Disclosure of Accumulated Other Comprehensive Loss (Detail) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010
Foreign currency translation adjustment	$ (27,795)	$ (36,151)	$ (41,253)
Underfunding of pension and postretirement benefit plans	(204,928)	(210,935)	(121,550)
Tax effect	79,068	80,855	46,801
Net of tax amount	(125,860)	(130,080)	(74,749)
Unrealized holding gains on securities available-for-sale	215,465	184,574	221,018
Tax effect	(27,378)	(24,874)	(29,645)
Net of tax amount	188,087	159,700	191,373
Unrealized gains (losses) on cash flow hedges	485	935	(1,509)
Tax effect	(146)	(365)	588
Net of tax amount	339	570	(921)
Accumulated other comprehensive income (loss)	$ 34,771	$ (5,961)	$ 74,450

Tax effect, Unrealized gains (losses) on securities available-for-sale.

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