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Stock-Based Compensation Plans (Policies)	9 Months Ended
Stock-Based Compensation Plans (Policies)	Jan. 02, 2016
Accounting Policies [Abstract]
Share based compensation, Restricted Stock and Restricted Stock Units Policy [Policy Text Block]	The estimated fair values of RSU awards were calculated based on the market price of Xilinx common stock on the date of grant, reduced by the present value of dividends expected to be paid on Xilinx common stock prior to vesting.