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2414404 - Disclosure - Net Income Per Common Share Earnings Per Common Share (Details)
(http://www.xilinx.com/role/NetIncomePerCommonShareEarningsPerCommonShareDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Earnings Per Share [Abstract]Period [Axis]
2016-01-03 - 2016-04-02
2015-09-27 - 2016-01-02
2015-06-28 - 2015-09-26
2015-03-29 - 2016-04-02
2015-03-29 - 2015-06-27
2014-12-28 - 2015-03-28
2014-09-28 - 2014-12-27
2014-06-29 - 2014-09-27
2014-03-30 - 2015-03-28
2014-03-30 - 2014-06-28
2013-03-31 - 2014-03-29
Earnings Per Share [Abstract]
 
 
 
 
 
 
 
 
 
 
 
Net income
145,035,000 2
130,819,000 2
127,298,000 2
550,867,000  
147,715,000 2
134,623,000 1
168,466,000 1
171,516,000 1
648,216,000  
173,611,000 1
630,388,000  
Weighted Average Number of Shares Outstanding, Basic
255,467,000 2
256,450,000 2
257,640,000 2
257,184,000  
258,021,000 2
260,857,000 1
262,881,000 1
265,942,000 1
265,480,000  
267,648,000 1
266,431,000  
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements
   
2,260,000  
    
3,257,000  
 
4,508,000  
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities and Warrants
   
9,223,000  
    
7,386,000  
 
8,544,000  
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities
   
0  
    
0  
 
7,913,000  
Weighted Average Number of Shares Outstanding, Diluted
268,462,000 2
269,611,000 2
266,046,000 2
268,667,000  
270,730,000 2
269,514,000 1
273,795,000 1
275,800,000 1
276,123,000  
281,579,000 1
287,396,000  
Earnings Per Share, Basic
.57 2
 
.51 2
 
.49 2
 
2.14  
 
.57 2
 
.52 1
 
.64 1
 
.64 1
 
2.44  
 
.65 1
 
2.37  
 
Earnings Per Share, Diluted
.54 2
.49 2
.48 2
2.05  
.55 2
.50 1
.62 1
.62 1
2.35  
.62 1
2.19  
1: Xilinx uses a 52- to 53-week fiscal year ending on the Saturday nearest March 31. Fiscal 2015 was a 52-week year and each quarter was a 13-week quarter.
2: Xilinx uses a 52- to 53-week fiscal year ending on the Saturday nearest March 31. Fiscal 2016 was a 53-week year and each quarter was a 13-week quarter except the third quarter, which was a 14-week quarter.