Restructuring and Other Charges (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2022
Cadence's Restructuring Plans
Beginning Balance	$ 0	$ 43	$ 8,693
Restructuring	11,013	55	(1,048)
Non-cash changes	(78)
Cash payments	(8,211)	(98)	(7,535)
Effect of foreign currency translation	(121)	0	(67)
Ending Balance	2,603	0	43
Severance and Benefits [Member]
Cadence's Restructuring Plans
Beginning Balance	0	0	7,321
Restructuring	10,935	0	(1,480)
Non-cash changes	0
Cash payments	(8,211)	0	(5,774)
Effect of foreign currency translation	(121)	0	(67)
Ending Balance	2,603	0	0
Excess Facilities [Member]
Cadence's Restructuring Plans
Beginning Balance	0	43	1,372
Restructuring	78	55	432
Non-cash changes	(78)
Cash payments	0	(98)	(1,761)
Effect of foreign currency translation	0	0	0
Ending Balance	$ 0	$ 0	$ 43