Goodwill And Other Intangible Assets (Schedule Of Other Intangibles) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
GROSS CARRYING AMOUNT, Amortized	$ 16,062	$ 16,015
ACCUMULATED AMORTIZATION, Amortized	14,097	13,913
OTHER INTANGIBLES, NET, Amortized	1,965	2,102
OTHER INTANGIBLES, NET	8,865	9,002
Trademarks [Member]
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
GROSS CARRYING AMOUNT, Amortized	9,409	9,374
ACCUMULATED AMORTIZATION, Amortized	9,038	8,990
OTHER INTANGIBLES, NET, Amortized	371	384
Patents [Member]
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
GROSS CARRYING AMOUNT, Amortized	3,483	3,471
ACCUMULATED AMORTIZATION, Amortized	3,248	3,225
OTHER INTANGIBLES, NET, Amortized	235	246
Customer Relationships [Member]
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
GROSS CARRYING AMOUNT, Amortized	3,170	3,170
ACCUMULATED AMORTIZATION, Amortized	1,811	1,698
OTHER INTANGIBLES, NET, Amortized	1,359	1,472
Trade Names [Member]
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
OTHER INTANGIBLES, NET, Not Amortized	$ 6,900	$ 6,900

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The accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Sum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References

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The aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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- Definition

Carrying amount of intangible assets, excluding goodwill, which have a projected indefinite period of benefit (hence are not amortized), allocated to the reportable segment. These assets, acquired either individually or as part of a group of assets, in either an asset acquisition or business combination, are assessed at least annually for impairment. Examples may include trade secrets, contractual rights, trade names, and licensing agreements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

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-Paragraph 2

-Subparagraph (b)

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 42, 45

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

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