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Acquisitions (Schedule Of Amortized Periods For Acquired Intangible Assets) (Details)	12 Months Ended
	Dec. 31, 2012
Noncompete Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable Intangible Asset, Useful Life (Yrs)	2 years
AACOA [Member] | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable Intangible Asset, Useful Life (Yrs)	10 years
AACOA [Member] | Noncompete Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable Intangible Asset, Useful Life (Yrs)	2 years
Terphane [Member] | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable Intangible Asset, Useful Life (Yrs)	12 years
Terphane [Member] | Proprietary Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable Intangible Asset, Useful Life (Yrs)	10 years
Terphane [Member] | Noncompete Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable Intangible Asset, Useful Life (Yrs)	2 years
Minimum [Member] | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable Intangible Asset, Useful Life (Yrs)	10 years
Minimum [Member] | AACOA [Member] | Proprietary Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable Intangible Asset, Useful Life (Yrs)	6 years
Maximum [Member] | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable Intangible Asset, Useful Life (Yrs)	12 years
Maximum [Member] | AACOA [Member] | Proprietary Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable Intangible Asset, Useful Life (Yrs)	10 years

X

- Details

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X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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