Goodwill and Other Intangible Assets Details 1 (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Finite Life and Indefinite Life Intangible Assets
Intangible Assets Excluding Goodwill Gross	$ 166,617	$ 143,500
Intangible Assets Accumulated Amortization	(45,207)	(39,128)
Customer Relationships
Finite Life and Indefinite Life Intangible Assets
Finite-Lived Intangible Assets, Gross	95,203	80,674
Finite-Lived Intangible Assets, Accumulated Amortization	(18,735)	(15,968)
Proven technology and patents
Finite Life and Indefinite Life Intangible Assets
Finite-Lived Intangible Assets, Gross	41,643	36,262
Finite-Lived Intangible Assets, Accumulated Amortization	(25,174)	(22,298)
Tradename (Finite Life)
Finite Life and Indefinite Life Intangible Assets
Finite-Lived Intangible Assets, Gross	3,995	2,420
Finite-Lived Intangible Assets, Accumulated Amortization	(1,072)	(760)
Tradename (Indefinite Life)
Finite Life and Indefinite Life Intangible Assets
Indefinite-Lived Intangible Assets (Excluding Goodwill)	25,033	23,634
Other Intangible Assets
Finite Life and Indefinite Life Intangible Assets
Finite-Lived Intangible Assets, Gross	743	510
Finite-Lived Intangible Assets, Accumulated Amortization	$ (226)	$ (102)

The total accumulated amount of amortization of intangible assets.

No definition available.

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- Definition

Sum of the gross carrying amount before accumulated amortization of finite-lived intangibles and the carrying amounts (original costs for current and prior period additions adjusted for impairment if any) of indefinite-lived intangibles as of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275

+ Details

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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

+ Details

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- Definition

Sum of the carrying amounts (original costs for current and prior period additions adjusted for impairment, if any) as of the balance sheet date of intangible assets, excluding goodwill, having a projected indefinite period of benefit.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph b

-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

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275

+ Details

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