Note G - Pensions and Other Postretirement Benefits (Detail) - Expected Future Benefit Payments (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Pension Plan [Member]
2013	$ 4,776
2014	6,837
2015	6,723
2016	5,924
2017	6,677
Thereafter	32,292
Postretirment Benefits [Member]
2013	1,416
2014	1,430
2015	1,489
2016	1,561
2017	1,642
Thereafter	$ 9,234

Amount of benefits expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year from a defined benefit plan.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

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- Definition

Amount of benefits expected to be paid in the next fiscal year following the latest fiscal year from a defined benefit plan.

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Amount of benefits expected to be paid in the fifth fiscal year following the latest fiscal year from a defined benefit plan.

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Amount of benefits expected to be paid in the fourth fiscal year following the latest fiscal year from a defined benefit plan.

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Amount of benefits expected to be paid in the third fiscal year following the latest fiscal year from a defined benefit plan.

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Amount of benefits expected to be paid in the second fiscal year following the latest fiscal year from a defined benefit plan.

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