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Goodwill and Acquired Intangibles (Details 2) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 29, 2019 | Jun. 30, 2018 | Jun. 29, 2019 | Jun. 30, 2018
Amortization of acquired intangibles |  |  |  |
Cost of product and maintenance | $ 11,299 | $ 9,991 | $ 21,153 | $ 20,268
Amortization of acquired intangibles | 3,159 | 3,518 | 6,467 | 7,148
Total amortization of acquired intangibles | $ 14,458 | $ 13,509 | $ 27,620 | $ 27,416

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- Definition 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. + References No definition available. + Details
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- Definition Amortization of acquired intangibles. + References No definition available. + Details
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- Definition Amortization of intangible assets cost of product. + References No definition available. + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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