Details of Certain Consolidated Balance Sheet Captions (Retirment Obligations and Other Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Details of Certain Consolidated Balance Sheet Captions [Abstract]
Pension and postretirement benefits	$ 199,634	$ 233,368
Deferred taxes	110,251	65,505
Deferred compensation	7,596	9,445
Insurance accruals	8,006	10,755
Legal and environmental	35,250	24,691
Uncertain tax positions	82,689	88,676
Other	30,468	24,302
Retirement obligations and other liabilities	$ 473,894	$ 456,742

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For a classified balance sheet, the carrying amount as of the balance sheet date of the portion of the obligations recognized for the various post employment and postretirement benefits provided to former or inactive employees, their beneficiaries, and covered dependents that is payable after one year (or beyond the operating cycle if longer. Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet due to materiality considerations. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer).

+ References

No definition available.

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- Definition

Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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Carrying value as of the balance sheet date of obligations incurred through that date and due beyond one year (or beyond one operating cycle if longer) to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverages to employees.

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).

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No definition available.

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences, net of deferred tax asset attributable to deductible temporary differences and carryforwards net of valuation allowances expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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The noncurrent portion of the amount recognized for uncertain tax positions as of the balance sheet date.

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Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer).

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- Definition

This represents the noncurrent liability for underfunded plans recognized in the balance sheet that is associated with the defined benefit pension plans and other postretirement defined benefit plans.

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