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Stock Based Compensation

3 Months Ended

Apr. 03, 2021

Share-based Payment Arrangement [Abstract]

Stock-based compensation expense is reflected in Cadence’s condensed consolidated income statements for the three months ended April 3, 2021 and March 28, 2020 as follows:


	Three Months Ended
		April 3, 2021		March 28, 2020
		(In thousands)
Cost of product and maintenance		$	807	$	691
Cost of services		1,027		880
Marketing and sales		11,206		10,011
Research and development		32,858		29,346
General and administrative		6,698		5,554
Total stock-based compensation expense		$	52,596	$	46,482

Cadence had total unrecognized compensation expense related to stock option and restricted stock grants of $321.8 million as of April 3, 2021, which will be recognized over the remaining vesting period. The remaining weighted-average vesting period of unvested awards is 2.1 years.