Amortization of acquired intangibles, including amortization of costs from existing technology included in cost of product, and amortization of costs from acquired maintenance contracts included in cost of maintenance, and amortization of all other acquired intangibles.

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- Definition

Amortization of acquired intangibles.

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- Definition

Amortization of intangible assets related to acquired maintenance contracts and allocated to cost of maintenance.

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- Definition

Amortization of intangible assets related to existing technology and allocated to cost of product.

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- Definition

The amount of acquisition cost of a business combination allocated to an identifiable intangible asset, such as IPR&D, that will either become amortizable or charged to straight to expenses in a future period.

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- Definition

Goodwill and Acquired Intangibles.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(2)

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

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

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- Definition

The aggregate estimated amortization expense for succeeding fiscal years for intangible assets subject to amortization.

+ 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)

-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)(3)

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

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- Definition

The amount of amortization expense expected to be recognized for the remainder of the finite-lived intangible asset useful life after the fifth succeeding fiscal year.

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- Definition

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

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- Definition

The amount of amortization expense expected to be recognized during year five of the five succeeding fiscal years.

+ References

+ Details

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- Definition

The amount of amortization expense expected to be recognized during year four of the five succeeding fiscal years.

+ References

+ Details

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- Definition

The amount of amortization expense expected to be recognized during year three of the five succeeding fiscal years.

+ References

+ Details

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The amount of amortization expense expected to be recognized during year two of the five succeeding fiscal years.

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Goodwill and Acquired Intangibles (Details 1) (USD $)	3 Months Ended		9 Months Ended
Goodwill and Acquired Intangibles (Details 1) (USD $)	Oct. 01, 2011	Oct. 02, 2010	Oct. 01, 2011	Oct. 02, 2010	Jan. 01, 2011
Amortization of acquired intangibles
Cost of product	$ 2,906,000	$ 2,196,000	$ 7,585,000	$ 3,407,000
Cost of maintenance				1,045,000
Amortization of acquired intangibles	3,786,000	4,459,000	12,750,000	9,701,000
Total amortization of acquired intangibles	6,692,000	6,655,000	20,335,000	14,153,000
Estimated amortization expense
2011 - remaining period			6,797,000
2012			26,655,000
2013			24,617,000
2014			23,318,000
2015			23,005,000
Thereafter			75,653,000
Total estimated amortization expense			180,045,000
Goodwill and Acquired Intangibles (Textual) [Abstract]
Intangible assets allocated to in-process research and development					$ 500,000