Stock-Based Compensation Plans (Details 2) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		12 Months Ended
		Apr. 02, 2016	Mar. 28, 2015	Mar. 29, 2014	Mar. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, closing price per share		$ 47.62
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Vested		1,241	3,173
Number of Shares, Expected to vest		15
Number of Shares, Total vested and expected to vest		1,256
Number of Shares, Total outstanding		1,257	3,247	5,280	12,753
Weighted-Average Exercise Price Per Share, Vested (in dollars per share)		$ 25.33	$ 24.59
Weighted-Average Exercise Price Per Share, Expected to vest (in dollars per share)		31.74
Weighted-Average Exercise Price Per Share, Total vested and expected to vest (in dollars per share)		25.41
Weighted-Average Exercise Price Per Share, Total outstanding (in dollars per share)		$ 25.42	$ 24.81	$ 25.22	$ 28.01
Weighted-Average Remaining Contractual Term, Vested (in years)		11 months 22 days
Weighted Average Remaining Contractual Term, Expected to vest (in years)		1 year 8 months 22 days
Weighted Average Remaining Contractual Term, Total vested and expected to vest (in years)		11 months 25 days
Weighted Average Remaining Contractual Term, Total outstanding (in years)		11 months 25 days
Aggregate Intrinsic Value, Vested	[1]	$ 27,653
Aggregate Intrinsic Value, Expected to vest	[1]	246
Aggregate Intrinsic Value, Total vested and expected to vest	[1]	27,899
Aggregate Intrinsic Value, Total outstanding	[1]	$ 27,917

[1] These amounts represent the difference between the exercise price and $47.62, the closing price per share of Xilinx's stock on April 2, 2016, for all in-the-money options outstanding.