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Goodwill and Acquired Intangibles | 12 Months Ended
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Dec. 29, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
GOODWILL AND ACQUIRED INTANGIBLES | GOODWILL AND ACQUIRED INTANGIBLES Goodwill The changes in the carrying amount of goodwill during fiscal 2018 and 2017 were as follows:
| Gross Carrying Amount
| (In thousands)
Balance as of December 31, 2016 | $ | 572,764 |
Goodwill resulting from acquisitions | 90,218 |
Effect of foreign currency translation | 3,027 |
Balance as of December 30, 2017 | 666,009 |
Effect of foreign currency translation | (3,737 | )
Balance as of December 29, 2018 | $ | 662,272 |
Cadence completed its annual goodwill impairment test during the third quarter of fiscal 2018 and determined that the fair value of Cadence’s single reporting unit substantially exceeded the carrying amount of its net assets and that no impairment existed. Acquired Intangibles, Net Acquired intangibles as of December 29, 2018 were as follows, excluding intangibles that were fully amortized as of December 30, 2017:
| Gross Carrying Amount |  | Accumulated Amortization |  | Acquired Intangibles, Net
| (In thousands)
Existing technology | $ | 330,500 |  |  | $ | (225,383 | ) |  | $ | 105,117 |
Agreements and relationships | 146,426 |  |  | (100,211 | ) |  | 46,215 |
Tradenames, trademarks and patents | 10,718 |  |  | (8,093 | ) |  | 2,625 |
Total acquired intangibles with definite lives | 487,644 |  |  | (333,687 | ) |  | 153,957 |
In-process technology | 71,500 |  |  | — |  |  | 71,500 |
Total acquired intangibles | $ | 559,144 |  |  | $ | (333,687 | ) |  | $ | 225,457 |
In-process technology as of December 29, 2018 consisted of acquired projects that, if completed, will contribute to Cadence’s design IP offerings. As of December 29, 2018, these projects were expected to be completed in approximately three to twelve months. During fiscal 2018, there were no transfers from in-process technology to existing technology. Acquired intangibles as of December 30, 2017 were as follows, excluding intangibles that were fully amortized as of December 31, 2016:
| Gross Carrying Amount |  | Accumulated Amortization |  | Acquired Intangibles, Net
| (In thousands)
Existing technology | $ | 342,810 |  |  | $ | (199,529 | ) |  | $ | 143,281 |
Agreements and relationships | 151,063 |  |  | (90,675 | ) |  | 60,388 |
Tradenames, trademarks and patents | 10,918 |  |  | (7,252 | ) |  | 3,666 |
Total acquired intangibles with definite lives | 504,791 |  |  | (297,456 | ) |  | 207,335 |
In-process technology | 71,500 |  |  | — |  |  | 71,500 |
Total acquired intangibles | $ | 576,291 |  |  | $ | (297,456 | ) |  | $ | 278,835 |
Amortization expense from existing technology and maintenance agreements is included in cost of product and maintenance. Amortization expense for fiscal 2018, 2017 and 2016, by consolidated income statement caption, was as follows:
| 2018 |  | 2017 |  | 2016
| (In thousands)
Cost of product and maintenance | $ | 39,247 |  |  | $ | 41,781 |  |  | $ | 42,387 |
Amortization of acquired intangibles | 14,086 |  |  | 14,716 |  |  | 18,095 |
Total amortization of acquired intangibles | $ | 53,333 |  |  | $ | 56,497 |  |  | $ | 60,482 |
Estimated amortization expense for intangible assets with definite lives for the following five fiscal years and thereafter was as follows:
| (In thousands)
2019 | $ | 46,217 |
2020 | 40,612 |
2021 | 36,115 |
2022 | 17,810 |
2023 | 5,325 |
Thereafter | 7,878 |
Total estimated amortization expense | $ | 153,957 |

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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