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Stock Based Compensation | 3 Months Ended
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Mar. 28, 2020
Share-based Payment Arrangement [Abstract] |
STOCK-BASED COMPENSATION | STOCK-BASED COMPENSATION Stock-based compensation expense is reflected in Cadence’s condensed consolidated income statements for the three months ended March 28, 2020 and March 30, 2019 as follows:
| Three Months Ended
| March 28, 2020 |  | March 30, 2019
| (In thousands)
Cost of product and maintenance | $ | 691 |  |  | $ | 681 |
Cost of services | 880 |  |  | 866 |
Marketing and sales | 10,011 |  |  | 9,106 |
Research and development | 29,346 |  |  | 26,898 |
General and administrative | 5,554 |  |  | 4,702 |
Total stock-based compensation expense | $ | 46,482 |  |  | $ | 42,253 |
Cadence had total unrecognized compensation expense related to stock option and restricted stock grants of $291.7 million as of March 28, 2020, which will be recognized over the remaining vesting period. The remaining weighted-average vesting period of unvested awards is 2.2 years.

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- Definition The entire disclosure for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 + Details
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