Restructuring and Other Charges (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Cadence's Restructuring Plans
Beginning Balance	$ 9,638	$ 12,024	$ 13,784
Restructuring and other charges (credits), net	9,215	8,621	11,089
Cash payments	(10,197)	(11,134)	(12,880)
Effect of foreign currency translation	37	127	31
Ending Balance	8,693	9,638	12,024
Severance and Benefits [Member]
Cadence's Restructuring Plans
Beginning Balance	9,229	11,176	13,535
Restructuring and other charges (credits), net	7,476	8,649	10,268
Cash payments	(9,424)	(10,714)	(12,688)
Effect of foreign currency translation	40	118	61
Ending Balance	7,321	9,229	11,176
Excess Facilities [Member]
Cadence's Restructuring Plans
Beginning Balance	409	848	249
Restructuring and other charges (credits), net	1,739	(28)	821
Cash payments	(773)	(420)	(192)
Effect of foreign currency translation	(3)	9	(30)
Ending Balance	$ 1,372	$ 409	$ 848

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve.

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