Accumulated Other Comprehensive Loss (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Schedule of Accumulated Comprehensive Income [Line Items]
Document Fiscal Year Focus					2013
Revenue	$ (169)	[1]	$ 456	[1]	$ (922)	[1]	$ 1,230	[1]
Cost of sales	108	[1]	(56)	[1]	520	[1]	(129)	[1]
Interest expense	(507)	[1]	(507)	[1]	(1,521)	[1]	(1,521)	[1]
Total before tax	(568)	[1]	(107)	[1]	(1,923)	[1]	(420)	[1]
Tax benefit	222	[1]	43	[1]	750	[1]	165	[1]
Net of tax	(346)	[1]	(64)	[1]	(1,173)	[1]	(255)	[1]
Interest income	1,640	[1]	(41)	[1]	(962)	[1]	(517)	[1]
Tax benefit	(607)	[1]	15	[1]	356	[1]	191	[1]
Net of tax	1,033	[1]	(26)	[1]	(606)	[1]	(326)	[1]
Transition credit	2	[1],[2]	2	[1],[2]	6	[1],[2]	6	[1],[2]
Prior service (costs) credit	(163)	[1],[2]	295	[1],[2]	(524)	[1],[2]	884	[1],[2]
Actuarial losses	(12,136)	[1],[2]	(18,852)	[1],[2]	(44,038)	[1],[2]	(56,376)	[1],[2]
Total before tax	(12,297)	[1],[2]	(18,555)	[1],[2]	(44,556)	[1],[2]	(55,486)	[1],[2]
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Tax	4,347	[1],[2]	6,404	[1],[2]	15,613	[1],[2]	20,371	[1],[2]
Net of tax	7,950	[1],[2]	12,151	[1],[2]	28,943	[1],[2]	35,115	[1],[2]
Balance Beginning					(681,213)		(661,645)
Other comprehensive income (loss) before reclassifications					(42,289)	[3]	81	[3]
Amounts reclassified from accumulated other comprehensive income					26,909	[3],[4],[5]	35,696	[3],[4],[5]
Amounts reclassified from accumulated other comprehensive income	7,950		12,151		28,943		35,115
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	(222)		589		(4,667)		967
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	62		25		962		578
Other Comprehensive Income (Loss), Net of Tax	(26,930)		(31,790)		15,380		(35,777)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(696,593)		(625,868)		(696,593)		(625,868)
Gains (losses) on cash flow hedges
Schedule of Accumulated Comprehensive Income [Line Items]
Balance Beginning					(7,777)		(8,438)
Other comprehensive income (loss) before reclassifications					(211)	[3]	323	[3]
Amounts reclassified from accumulated other comprehensive income					1,173	[3],[4],[5]	255	[3],[4],[5]
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax					962		578
Accumulated Other Comprehensive Income (Loss), Net of Tax	(6,815)		(7,860)		(6,815)		(7,860)
Unrealized gains (losses) on available for sale securities
Schedule of Accumulated Comprehensive Income [Line Items]
Net of tax					606	[3],[4],[5]	326	[3],[4],[5]
Balance Beginning					4,513		4,387
Other comprehensive income (loss) before reclassifications					(5,273)	[3]	641	[3]
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax					(4,667)		967
Accumulated Other Comprehensive Income (Loss), Net of Tax	(154)		5,354		(154)		5,354
Defined benefit pension plans and nonpension postretirement benefit plans
Schedule of Accumulated Comprehensive Income [Line Items]
Balance Beginning					(759,199)		(741,546)
Amounts reclassified from accumulated other comprehensive income					28,943	[3],[4],[5]	35,115	[3],[4],[5]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax					28,943		35,115
Accumulated Other Comprehensive Income (Loss), Net of Tax	(730,256)		(706,431)		(730,256)		(706,431)
Foreign currency items
Schedule of Accumulated Comprehensive Income [Line Items]
Balance Beginning					81,250		83,952
Other comprehensive income (loss) before reclassifications					(36,805)	[3]	(883)	[3]
Amounts reclassified from accumulated other comprehensive income					(3,813)	[3],[4],[5]	0	[3],[4],[5]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax					(40,618)		(883)
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 40,632		$ 83,069		$ 40,632		$ 83,069

[1] Amounts in parentheses indicate debits (reductions) to income.

[2] These items are included in the computation of net periodic costs of defined benefit pension plans and nonpension postretirement benefit plans (see Note 15 for additional details).

[3] Amounts are net of tax. Amounts in parentheses indicate debits to AOCI.

[4] Foreign currency item amount represents the recognition of deferred translation upon the sale of the U.K. IMS business and PBMSi. Amount was reclassified from accumulated other comprehensive loss and recorded as discontinued operations in the Condensed Consolidated Statements of Income.

[5] See table above for additional details of these reclassifications.