Other Comprehensive Income (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
Reclassification out of accumulated other comprehensive income
Amortization of loss	$ 27,965	$ 26,547	$ 84,860	$ 82,567
Income tax charge on comprehensive income	1,771	(194)	5,521	(346)
Net of tax	(2,061)	(5,615)	(7,859)	(11,343)
Retirement plans \| Reclassification out of accumulated other comprehensive income
Reclassification out of accumulated other comprehensive income
Amortization of loss	222	138	667	461
Income tax charge on comprehensive income	(88)		(263)
Net of tax	$ 134	$ 138	$ 404	$ 461

The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.4)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 4

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 330

-SubTopic 10

-Section 30

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6386349&loc=d3e3636-108311

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration