Income Taxes (Details 5) $ in Thousands	Jan. 02, 2016 USD ($)
United States federal [Member]
Summary of tax credit carryforwards
Tax credit carryforwards	$ 139,820	[1]
California State [Member]
Summary of tax credit carryforwards
Tax credit carryforwards	30,455
States other than California [Member]
Summary of tax credit carryforwards
Tax credit carryforwards	6,150
Foreign Jurisdiction [Member]
Summary of tax credit carryforwards
Tax credit carryforwards	$ 13,246

[1] Certain of Cadence’s foreign tax credits are anticipated and as a result do not yet have an expiration period.