Comprehensive Income (Loss) (Components Of Comprehensive Income (Loss) In The Consolidated Statements Of Operations) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Other Comprehensive Income (Loss) [Abstract]
Unrealized appreciation (depreciation) ("URA(D)") on securities - temporary, Before Tax	$ (152,280)	$ 14,682	$ 34,109
URA(D) on securities - OTTI, Before Tax	(399)	(236)	(188)
Reclassification of net realized losses (gains) included in net income (loss), Before Tax	(3,792)	974	31,138
Foreign currency translation adjustments, Before Tax	(29,428)	10,815	(4,316)
Benefit plan actuarial net gain (loss), Before Tax	27,442	(18,109)	(48,885)
Reclassification on amortization of net gain (loss) included in net income (loss), Before Tax	8,889	7,377	3,575
Total other comprehensive income (loss), Before Tax	(149,568)	15,504	15,434
Unrealized appreciation (depreciation) ("URA(D)") on securities - temporary, Tax Effect	53,298	(5,139)	(11,939)
URA(D) on securities - OTTI, Tax Effect	140	83	66
Reclassification of net realized losses (gains) included in net income (loss), Tax Effect	1,327	(341)	(10,898)
Foreign currency translation adjustments, Tax Effect	10,300	(3,786)	1,511
Benefit plan actuarial net gain (loss), Tax Effect	(9,605)	6,338	17,109
Reclassification on amortization of net gain (loss) included in net income (loss), Tax Effect	(3,111)	(2,582)	(1,251)
Total income tax benefit (expense) related to items of other comprehensive income (loss):	52,349	(5,427)	(5,402)
Unrealized appreciation (depreciation) ("URA(D)") on securities - temporary, Net of Tax	(98,982)	9,544	22,171
URA(D) of securities - OTTI, Net of Tax	(259)	(154)	(122)
Reclassification of net realized losses (gains) included in net income (loss), Net of Tax	(2,465)	633	20,240
Foreign currency translation adjustments, Net of Tax	(19,128)	7,030	(2,805)
Benefit plan actuarial net gain (loss), Net of Tax	17,837	(11,771)	(31,776)
Reclassification on amortization of net gain (loss) included in net income (loss)	5,778	4,795	2,324
Total other comprehensive income (loss), net of tax	$ (97,219)	$ 10,077	$ 10,032