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Stock Based Compensation
 6 Months Ended
Jun. 30, 2023
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 and six months ended June 30, 2023 and July 2, 2022 as follows:
Three Months Ended Six Months Ended
June 30,
2023		July 2,
2022		June 30,
2023		July 2,
2022
(In thousands)
Cost of product and maintenance$1,035 $875 $2,101 $1,705 
Cost of services1,317 1,113 2,674 2,163 
Marketing and sales15,686 12,902 30,777 24,659 
Research and development44,807 37,067 89,129 72,189 
General and administrative13,763 12,313 26,215 23,023 
Total stock-based compensation expense$76,608 $64,270 $150,896 $123,739 
Cadence had total unrecognized compensation expense related to stock option and restricted stock grants of $464.7 million as of June 30, 2023, which will be recognized over a weighted average vesting period of 2.0 years.