The amount of amortization expense expected to be recognized during the remainder of the current fiscal year.

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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)

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- Definition

Aggregate amount of amortization expense recognized for intangible asset during the period. A recognized intangible asset shall be amortized over its estimated useful life to the reporting entity unless that life is determined to be indefinite. If an intangible asset has a finite useful life, but the precise length of that life is not known, that intangible asset shall be amortized over the best estimate of its useful life.

+ 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(2)

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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

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)

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The calculated weighted-average useful life of all finite-lived intangible assets.

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- Definition

The amount of amortization expense expected to be recognized during the fourth twelve-month period following the balance sheet date.

+ 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(3)

+ Details

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- Definition

The amount of amortization expense expected to be recognized during the twelve-month period following the balance sheet date.

+ 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(3)

+ Details

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- Definition

The amount of amortization expense expected to be recognized during the third twelve-month period following the balance sheet date.

+ 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(3)

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- Definition

The amount of amortization expense expected to be recognized during the second twelve-month period following the balance sheet date.

+ 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(3)

+ Details

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Goodwill and Other Intangible Assets (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Summary of the Company's amortizable intangible assets
Gross Carrying Amount	$ 163,300		$ 163,300		$ 159,100
Accumulated Amortization	58,700		58,700		51,500
Weighted average useful lives of amortizable intangible assets (in years)			11
Amortization expense	3,800	3,200	7,400	6,300
Amortization expense estimated for each of the next five fiscal years
2011			14,700
2012			14,900
2013			11,600
2014			9,700
2015			9,200
Customer relationships
Summary of the Company's amortizable intangible assets
Gross Carrying Amount	106,100		106,100		104,100
Accumulated Amortization	32,900		32,900		27,800
Weighted average useful lives of amortizable intangible assets (in years)			10
Proprietary technology
Summary of the Company's amortizable intangible assets
Gross Carrying Amount	41,800		41,800		39,800
Accumulated Amortization	13,700		13,700		12,100
Weighted average useful lives of amortizable intangible assets (in years)			14
License agreements
Summary of the Company's amortizable intangible assets
Gross Carrying Amount	6,000		6,000		6,000
Accumulated Amortization	4,200		4,200		3,800
Weighted average useful lives of amortizable intangible assets (in years)			8
Trade names and other
Summary of the Company's amortizable intangible assets
Gross Carrying Amount	9,400		9,400		9,200
Accumulated Amortization	$ 7,900		$ 7,900		$ 7,800
Weighted average useful lives of amortizable intangible assets (in years)			15