10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

(Mark One)

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 28, 2014

or

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ________ to _______ .

Commission File Number 000-18548

 ______________________________________________________________________________

Xilinx, Inc.

(Exact name of registrant as specified in its charter)

______________________________________________________________________________

Delaware	77-0188631
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
2100 Logic Drive, San Jose, California	95124
(Address of principal executive offices)	(Zip Code)

(408) 559-7778

(Registrant’s telephone number, including area code)

N/A

(Former name, former address, and former fiscal year, if changed since last report)

______________________________________________________________________________

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  x    No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x    No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See the definitions of "large accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer	x	Accelerated filer	¨
Non-accelerated filer	¨	Smaller reporting company	¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No  x

Shares outstanding of the registrant’s common stock:

Class	Shares Outstanding as of July 18, 2014
Common Stock, $.01 par value	268,481,840

TABLE OF CONTENTS

PART I. FINANCIAL INFORMATION	3
Item 1. FINANCIAL STATEMENTS	3
CONDENSED CONSOLIDATED STATEMENTS OF INCOME	3
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME	4
CONDENSED CONSOLIDATED BALANCE SHEETS	5
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS	6
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS	7
ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	24
ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	30
ITEM 4. CONTROLS AND PROCEDURES	32
PART II. OTHER INFORMATION	32
ITEM 1. LEGAL PROCEEDINGS	33
ITEM 1A. RISK FACTORS	33
ITEM 2. UNREGISTERED SALE OF EQUITY SECURITIES AND USE OF PROCEEDS	41
ITEM 6. EXHIBITS	42
SIGNATURES	43

2

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

XILINX, INC.

CONDENSED CONSOLIDATED STATEMENTS OF INCOME

(Unaudited)

	Three Months Ended
(In thousands, except per share amounts)	June 28, 2014		June 29, 2013
Net revenues	$	612,633	$	578,955
Cost of revenues	189,189		179,700
Gross margin	423,444		399,255
Operating expenses:
Research and development	122,013		111,541
Selling, general and administrative	92,513		92,387
Amortization of acquisition-related intangibles	2,418		2,418
Total operating expenses	216,944		206,346
Operating income	206,500		192,909
Interest and other expense, net	6,222		9,930
Income before income taxes	200,278		182,979
Provision for income taxes	26,667		25,956
Net income	$	173,611	$	157,023
Net income per common share:
Basic	$	0.65	$	0.59
Diluted	$	0.62	$	0.56
Cash dividends per common share	$	0.29	$	0.25
Shares used in per share calculations:
Basic	267,648		264,153
Diluted	281,579		280,291

See notes to condensed consolidated financial statements.

3

XILINX, INC.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Unaudited)

	Three Months Ended
(In thousands)	June 28, 2014			June 29, 2013
Net income	$	173,611		$	157,023
Other comprehensive income (loss), net of tax:
Change in net unrealized gains (losses) on available-for-sale securities	7,959			(16,924		)
Reclassification adjustment for gains on available-for-sale securities	(391		)	(322		)
Net change in unrealized gains (losses) on hedging transactions	542			(1,508		)
Reclassification adjustment for (gains) losses on hedging transactions	(807		)	706
Cumulative translation adjustment, net	171			(694		)
Other comprehensive income (loss)	7,474			(18,742		)
Total comprehensive income	$	181,085		$	138,281

See notes to condensed consolidated financial statements.

4

XILINX, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(In thousands, except par value amounts)	June 28, 2014			March 29, 2014 [1]
	(unaudited)
ASSETS
Current assets:
Cash and cash equivalents	$	625,032		$	973,677
Short-term investments	1,860,175			1,483,644
Accounts receivable, net	281,335			267,833
Inventories	256,791			233,999
Deferred tax assets	77,325			56,166
Prepaid expenses and other current assets	68,041			51,828
Total current assets	3,168,699			3,067,147
Property, plant and equipment, at cost:	817,844			810,030
Accumulated depreciation and amortization	(467,108		)	(454,941		)
Net property, plant and equipment	350,736			355,089
Long-term investments	1,109,645			1,190,775
Goodwill	159,296			159,296
Acquisition-related intangibles, net	26,449			28,867
Other assets	239,394			236,175
Total Assets	$	5,054,219		$	5,037,349
LIABILITIES, TEMPORARY EQUITY AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	99,572		$	149,695
Accrued payroll and related liabilities	147,272			157,373
Income taxes payable	17,578			12,936
Deferred income on shipments to distributors	69,258			55,099
Other accrued liabilities	32,404			49,256
Current portion of long-term debt	567,764			565,001
Total current liabilities	933,848			989,360
Long-term debt	994,110			993,870
Deferred tax liabilities	283,492			253,433
Long-term income taxes payable	11,581			11,470
Other long-term liabilities	1,588			1,535
Commitments and contingencies	—			—
Temporary equity (Note 10)	32,236			34,999
Stockholders' equity:
Preferred stock, $.01 par value (none issued)	—			—
Common stock, $.01 par value	2,671			2,686
Additional paid-in capital	788,016			805,073
Retained earnings	1,999,751			1,945,471
Accumulated other comprehensive income (loss)	6,926			(548		)
Total stockholders’ equity	2,797,364			2,752,682
Total Liabilities, Temporary Equity and Stockholders’ Equity	$	5,054,219		$	5,037,349

[1] Derived from audited financial statements

See notes to condensed consolidated financial statements.

5

XILINX, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

	Three Months Ended
(In thousands)	June 28, 2014			June 29, 2013
Cash flows from operating activities:
Net income	$	173,611		$	157,023
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	13,468			14,033
Amortization	5,205			4,885
Stock-based compensation	22,106			20,954
Net gain on sale of available-for-sale securities	(670		)	(107		)
Amortization of debt discounts	3,003			4,025
Provision for deferred income taxes	5,789			22,736
Excess tax benefit from stock-based compensation	(2,660		)	(2,021		)
Others	—			53
Changes in assets and liabilities:
Accounts receivable, net	(13,501		)	(38,978		)
Inventories	(22,879		)	14,373
Prepaid expenses and other current assets	(4,751		)	(1,050		)
Other assets	(5,188		)	(5,020		)
Accounts payable	(50,123		)	(3,525		)
Accrued liabilities	(12,389		)	11,209
Income taxes payable	4,939			(58,961		)
Deferred income on shipments to distributors	14,159			4,580
Net cash provided by operating activities	130,119			144,209
Cash flows from investing activities:
Purchases of available-for-sale securities	(874,367		)	(1,213,461		)
Proceeds from sale and maturity of available-for-sale securities	570,043			961,538
Purchases of property, plant and equipment	(9,116		)	(11,301		)
Other investing activities	(3,742		)	36,921
Net cash used in investing activities	(317,182		)	(226,303		)
Cash flows from financing activities:
Repurchases of common stock	(101,016		)	—
Proceeds from issuance of common stock through various stock plans, net	14,195			31,936
Payment of dividends to stockholders	(77,421		)	(66,007		)
Excess tax benefit from stock-based compensation	2,660			2,021
Net cash used in financing activities	(161,582		)	(32,050		)
Net decrease in cash and cash equivalents	(348,645		)	(114,144		)
Cash and cash equivalents at beginning of period	973,677			623,558
Cash and cash equivalents at end of period	$	625,032		$	509,414
Supplemental disclosure of cash flow information:
Interest paid	$	7,875		$	7,875
Income taxes paid, net	$	15,856		$	62,236

See notes to condensed consolidated financial statements.

6

XILINX, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 1. Basis of Presentation

The accompanying interim condensed consolidated financial statements have been prepared in conformity with United States (U.S.) generally accepted accounting principles (GAAP) for interim financial information and the instructions to Form 10-Q and Article 10 of Regulation S-X, and should be read in conjunction with the Xilinx, Inc. (Xilinx or the Company) consolidated financial statements filed with the U.S. Securities and Exchange Commission (SEC) on Form 10-K for the fiscal year ended March 29, 2014. The interim financial statements are unaudited, but reflect all adjustments which are, in the opinion of management, of a normal, recurring nature necessary to provide a fair statement of results for the interim periods presented. The results of operations for the interim periods shown in this report are not necessarily indicative of the results that may be expected for the fiscal year ending March 28, 2015 or any future period.

The Company uses a 52- to 53-week fiscal year ending on the Saturday nearest March 31. Fiscal 2015 and 2014 are 52-week year ending on March 28, 2015 and March 29, 2014, respectively. The quarters ended June 28, 2014 and June 29, 2013 each included 13 weeks.

Note 2. Recent Accounting Changes and Accounting Pronouncements

In April 2014, the Financial Accounting Standards Board (FASB) issued the authoritative guidance that outlines a new global revenue recognition standard that replaces virtually all existing US GAAP and IFRS guidance on contracts with customers and the related other assets and deferred costs. The guidance provides a five-step process for recognizing revenue that depicts the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The standard also requires expanded qualitative and quantitative disclosures relating to the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. The standard is effective for Xilinx beginning in fiscal year 2018, with no option to early adopt under US GAAP. The new standard is required to be applied retrospectively to each prior reporting period presented or retrospectively with the cumulative effect of initially applying it recognized at the date of initial application. The Company is currently evaluating the impact of this new guidance on its consolidated financial statements, including selection of the transition method.

Note 3. Significant Customers and Concentrations of Credit Risk

Avnet, Inc. (Avnet), one of the Company’s distributors, distributes the Company’s products worldwide. As of June 28, 2014 and March 29, 2014, Avnet accounted for 63% and 55% of the Company’s total net accounts receivable, respectively. Resale of product through Avnet accounted for 42% and 49% of the Company’s worldwide net revenues in the first quarter of fiscal 2015 and 2014, respectively. The percentage of accounts receivable due from Avnet and the percentage of worldwide net revenues from Avnet are consistent with historical patterns.

Xilinx is subject to concentrations of credit risk primarily in its trade accounts receivable and investments in debt securities to the extent of the amounts recorded on the consolidated balance sheet. The Company attempts to mitigate the concentration of credit risk in its trade receivables through its credit evaluation process, collection terms, distributor sales to diverse end customers and through geographical dispersion of sales. Xilinx generally does not require collateral for receivables from its end customers or from distributors.

No end customer accounted for more than 10% of the Company’s worldwide net revenues for the first quarter of fiscal 2015 and 2014.

The Company mitigates concentrations of credit risk in its investments in debt securities by currently investing more than 82% of its portfolio in AA or higher grade securities as rated by Standard & Poor’s or Moody’s Investors Service. The Company’s methods to arrive at investment decisions are not solely based on the rating agencies’ credit ratings. Xilinx also performs additional credit due diligence and conducts regular portfolio credit reviews, including a review of counterparty credit risk related to the Company’s forward currency exchange contracts. Additionally, Xilinx limits its investments in the debt securities of a single issuer based upon the issuer’s credit rating and attempts to further mitigate credit risk by diversifying risk across geographies and type of issuer.

As of June 28, 2014, approximately 35% of the portfolio consisted of mortgage-backed securities. All of the mortgage-backed securities in the investment portfolio were issued by U.S. government-sponsored enterprises and agencies and are rated AA+ by Standard & Poor’s and AAA by Moody’s Investors Service.

7

Note 4. Fair Value Measurements

The guidance for fair value measurements established by the FASB defines fair value as the exchange price that would be received from selling an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the measurement date. When determining the fair value measurements for assets and liabilities required or permitted to be recorded at fair value, the Company considers the principal or most advantageous market in which Xilinx would transact and also considers assumptions that market participants would use when pricing the asset or liability, such as inherent risk, transfer restrictions and risk of nonperformance.

The Company determines the fair value for marketable debt securities using industry standard pricing services, data providers and other third-party sources and by internally performing valuation testing and analysis. The Company primarily uses a consensus price or weighted-average price for its fair value assessment. The Company determines the consensus price using market prices from a variety of industry standard pricing services, data providers, security master files from large financial institutions and other third party sources and uses those multiple prices as inputs into a distribution-curve-based algorithm to determine the daily market value. The pricing services use multiple inputs to determine market prices, including reportable trades, benchmark yield curves, credit spreads and broker/dealer quotes as well as other industry and economic events. For certain securities with short maturities, such as discount commercial paper and certificates of deposit, the security is accreted from purchase price to face value at maturity. If a subsequent transaction on the same security is observed in the marketplace, the price on the subsequent transaction is used as the current daily market price and the security will be accreted to face value based on the revised price. For certain other securities, such as student loan auction rate securities, the Company performs its own valuation analysis using a discounted cash flow pricing model.

The Company validates the consensus prices by taking random samples from each asset type and corroborating those prices using reported trade activity, benchmark yield curves, binding broker/dealer quotes or other relevant price information. There have not been any changes to the Company’s fair value methodology during the first quarter of fiscal 2015 and the Company did not adjust or override any fair value measurements as of June 28, 2014.

Fair Value Hierarchy

The fair value framework requires the categorization of assets and liabilities into three levels based upon the assumptions (inputs) used to price the assets or liabilities. The guidance for fair value measurements requires that assets and liabilities carried at fair value be classified and disclosed in one of the following categories:

Level 1 — Quoted (unadjusted) prices in active markets for identical assets or liabilities.

The Company’s Level 1 assets consist of U.S. government and agency securities and money market funds.

Level 2 — Observable inputs other than quoted prices included in Level 1, such as quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the asset or liability.

The Company’s Level 2 assets consist of financial institution securities, non-financial institution securities, municipal bonds, U.S. agency securities, foreign government and agency securities, mortgage-backed securities and debt mutual funds. The Company’s Level 2 assets and liabilities also include foreign currency forward contracts and commodity swap contracts.

Level 3 — Unobservable inputs to the valuation methodology that are supported by little or no market activity and that are significant to the measurement of the fair value of the assets or liabilities. Level 3 assets and liabilities include those whose fair value measurements are determined using pricing models, discounted cash flow methodologies or similar valuation techniques, as well as significant management judgment or estimation.

The Company’s Level 3 assets and liabilities include student loan auction rate securities.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

In instances where the inputs used to measure fair value fall into different levels of the fair value hierarchy, the fair value measurement has been determined based on the lowest level input that is significant to the fair value measurement in its entirety. The Company’s assessment of the significance of a particular item to the fair value measurement in its entirety requires judgment, including the consideration of inputs specific to the asset or liability. The following tables present information about the Company’s assets and liabilities measured at fair value on a recurring basis as of June 28, 2014 and March 29, 2014:

8

	June 28, 2014
(In thousands)	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
Assets
Cash and cash equivalents:
Money market funds	$	174,031	$	—	$	—	$	174,031
Financial institution securities	—		124,986		—		124,986
Non-financial institution securities	—		120,984		—		120,984
U.S. government and agency securities	25,000		—		—		25,000
Foreign government and agency securities	—		94,992		—		94,992
Short-term investments:
Financial institution securities	—		129,983		—		129,983
Non-financial institution securities	—		317,015		—		317,015
Municipal bonds	—		23,495		—		23,495
U.S. government and agency securities	433,169		99,634		—		532,803
Foreign government and agency securities	—		315,898		—		315,898
Mortgage-backed securities	—		442,571		—		442,571
Debt mutual funds	—		40,703		—		40,703
Bank loans	—		57,707		—		57,707
Long-term investments:
Non-financial institution securities	—		188,007		—		188,007
Auction rate securities	—		—		20,704		20,704
Municipal bonds	—		15,346		—		15,346
U.S. government and agency securities	4,948		31,951		—		36,899
Mortgage-backed securities	—		789,964		—		789,964
Debt mutual fund	—		58,725		—		58,725
Derivative financial instruments, net	—		1,311		—		1,311
Total assets measured at fair value	$	637,148	$	2,853,272	$	20,704	$	3,511,124

9

	March 29, 2014
(In thousands)	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
Assets
Cash and cash equivalents:
Money market funds	$	213,988	$	—	$	—	$	213,988
Financial institution securities	—		131,990		—		131,990
Non-financial institution securities	—		319,970		—		319,970
U.S. government and agency securities	69,998		—		—		69,998
Foreign government and agency securities	—		194,984		—		194,984
Short-term investments:
Financial institution securities	—		234,916		—		234,916
Non-financial institution securities	—		226,828		—		226,828
Municipal Bonds	—		15,780		—		15,780
U.S. government and agency securities	349,023		89,422		—		438,445
Foreign government and agency securities	—		159,951		—		159,951
Mortgage-backed securities	—		387,508		—		387,508
Debt mutual fund	—		20,216		—		20,216
Long-term investments:
Non-financial institution securities	—		209,274		—		209,274
Auction rate securities	—		—		20,160		20,160
Municipal bonds	—		15,986		—		15,986
U.S. government and agency securities	4,950		36,126		—		41,076
Mortgage-backed securities	—		847,581		—		847,581
Debt mutual fund	—		56,698		—		56,698
Derivative financial instruments, net	—		1,713		—		1,713
Total assets measured at fair value	$	637,959	$	2,948,943	$	20,160	$	3,607,062

Changes in Level 3 Instruments Measured at Fair Value on a Recurring Basis

The following table is a reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3):

	Three Months Ended
(In thousands)	June 28, 2014		June 29, 2013
Balance as of beginning of period	$	20,160	$	27,610
Total realized and unrealized gains (losses):
Included in interest and other expense, net	—		(75		)
Included in other comprehensive income	544		846
Sales and settlements, net (1)	—		(300		)
Balance as of end of period	$	20,704	$	28,081

(1) During the first quarter of fiscal 2014, the Company redeemed $300 thousand of student loan auction rate securities, respectively, for cash at par value. There was no redemption during the first quarter of fiscal 2015.

10

The amount of total losses included in net income attributable to the change in unrealized losses relating to assets and liabilities still held as of the end of the period are summarized as follows:

	Three Months Ended
(In thousands)	June 28, 2014		June 29, 2013
Included in interest and other expense, net	$	—	$	(75	)

As of June 28, 2014, marketable securities measured at fair value using Level 3 inputs were comprised of $20.7 million of student loan auction rate securities. There was no material change to the input assumptions of the pricing model for these student loan auction securities.

The 2037 Convertible Notes, which were fully redeemed on March 12, 2014 (see "Note 10. Debt and Credit Facility"), included embedded features that qualify as an embedded derivative, and was separately accounted for as a discount on the 2037 Convertible Notes. Its fair value was established at the inception of the 2037 Convertible Notes. Prior to the redemption, each quarter, the change in the fair value of the embedded derivative, if any, was recorded in the consolidated statements of income. The Company used a derivative valuation model to derive the value of the embedded derivative. Key inputs into this valuation model were the Company’s current stock price, risk-free interest rates, the stock dividend yield, the stock volatility and the 2037 Convertible Notes’ credit spread over London Interbank Offered Rate. The first three inputs were based on observable market data and were considered Level 2 inputs while the last two inputs required management judgment and were Level 3 inputs.

Financial Instruments Not Recorded at Fair Value on a Recurring Basis

The Company’s 2017 Convertible Notes, 2019 Notes and 2021 Notes are measured at fair value on a quarterly basis for disclosure purposes. The fair values of the 2017 Convertible Notes, 2019 Notes and 2021 Notes as of June 28, 2014 were approximately $1.00 billion, $501.7 million and $505.9 million, respectively, based on the last trading price of the respective debentures for the period (classified as Level 2 in fair value hierarchy due to relatively low trading volume).

11

Note 5. Financial Instruments

The following is a summary of cash equivalents and available-for-sale securities as of the end of the periods presented:

	June 28, 2014									March 29, 2014
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Money market funds	$	174,031	$	—	$	—		$	174,031	$	213,988	$	—	$	—		$	213,988
Financial institution
securities	254,969		—		—			254,969		366,906		—		—			366,906
Non-financial institution
securities	621,880		4,470		(344		)	626,006		753,888		3,428		(1,244		)	756,072
Auction rate securities	21,500		—		(796		)	20,704		21,500		—		(1,340		)	20,160
Municipal bonds	38,164		820		(143		)	38,841		31,367		604		(205		)	31,766
U.S. government and
agency securities	593,637		1,145		(80		)	594,702		548,568		1,135		(184		)	549,519
Foreign government and
agency securities	410,896		—		(6		)	410,890		354,935		—		—			354,935
Mortgage-backed securities	1,225,050		14,355		(6,870		)	1,232,535		1,234,237		11,380		(10,528		)	1,235,089
Debt mutual funds	101,350		703		(2,625		)	99,428		81,350		216		(4,652		)	76,914
Bank loans	57,667		105		(65		)	57,707		—		—		—			—
	$	3,499,144	$	21,598	$	(10,929	)	$	3,509,813	$	3,606,739	$	16,763	$	(18,153	)	$	3,605,349

The following tables show the fair values and gross unrealized losses of the Company’s investments, aggregated by investment category, for individual securities that have been in a continuous unrealized loss position for the length of time specified, as of June 28, 2014 and March 29, 2014:

	June 28, 2014
	Less Than 12 Months					12 Months or Greater					Total
(In thousands)	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Non-financial institution securities	$	32,613	$	(84	)	$	19,902	$	(260	)	$	52,515	$	(344	)
Auction rate securities	—		—			20,704		(796		)	20,704		(796		)
Municipal bonds	4,026		(6		)	4,603		(137		)	8,629		(143		)
U.S. government and
agency securities	250,910		(31		)	4,369		(49		)	255,279		(80		)
Foreign government and
agency securities	124,968		(6		)	—		—			124,968		(6		)
Mortgage-backed securities	234,724		(2,223		)	274,363		(4,647		)	509,087		(6,870		)
Debt mutual fund	—		—			58,724		(2,625		)	58,724		(2,625		)
Bank loans	30,097		(65		)	—		—			30,097		(65		)
	$	677,338	$	(2,415	)	$	382,665	$	(8,514	)	$	1,060,003	$	(10,929	)

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	March 29, 2014
	Less Than 12 Months					12 Months or Greater					Total
(In thousands)	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Non-financial institution securities	$	112,470	$	(1,167	)	$	4,488	$	(77	)	$	116,958	$	(1,244	)
Auction rate securities	—		—			20,160		(1,340		)	20,160		(1,340		)
Municipal bonds	5,917		(166		)	1,743		(39		)	7,660		(205		)
U.S. government and
agency securities	118,125		(184		)	—		—			118,125		(184		)
Mortgage-backed securities	457,903		(7,225		)	132,376		(3,303		)	590,279		(10,528		)
Debt mutual fund	56,698		(4,652		)	—		—			56,698		$	(4,652	)
	$	751,113	$	(13,394	)	$	158,767	$	(4,759	)	$	909,880	$	(18,153	)

As of June 28, 2014, the gross unrealized losses that had been outstanding for less than twelve months were primarily related to mortgage-backed securities due to the general rising of the interest-rate environment, although the percentage of such losses to the total estimated fair value of the mortgage-backed securities was relatively insignificant. The gross unrealized losses that had been outstanding for more than twelve months were primarily related to mortgage-backed securities and debt mutual fund, which were primarily due to the general rising of the interest-rate environment, and failed auction rate securities, which were due to adverse conditions in the global credit markets during the past five years.

The Company reviewed the investment portfolio and determined that the gross unrealized losses on these investments as of June 28, 2014 and March 29, 2014 were temporary in nature as evidenced by the fluctuations in the gross unrealized losses within the investment categories. These investments are highly rated by the credit rating agencies and there have been no defaults on any of these securities, and we have received interest payments as they become due. Additionally, in the past several years a portion of the Company's investment in the auction rate securities and the mortgage-backed securities were redeemed or prepaid by the debtors at par. Furthermore, the aggregate of individual unrealized losses that had been outstanding for twelve months or more was not significant as of June 28, 2014 and March 29, 2014. The Company neither intends to sell these investments nor concludes that it is more-likely-than-not that it will have to sell them until recovery of their carrying values. The Company also believes that it will be able to collect both principal and interest amounts due to the Company at maturity, given the high credit quality of these investments and any related underlying collateral.

The amortized cost and estimated fair value of marketable debt securities (financial institution securities, non-financial institution securities, auction rate securities, municipal bonds, U.S. and foreign government and agency securities and mortgage-backed securities), by contractual maturity, are shown below. Actual maturities may differ from contractual maturities because issuers may have the right to call or prepay obligations without call or prepayment penalties.

	June 28, 2014
(In thousands)	Amortized Cost		Estimated Fair Value
Due in one year or less	$	1,464	$	1,464
Due after one year through five years	474		478
Due after five years through ten years	287		289
Due after ten years	999		1,005
	$	3,224	$	3,236

As of June 28, 2014, $762.4 million of marketable debt securities with contractual maturities of greater than one year were classified as short-term investments. Additionally, the above table did not include investments in money market and mutual funds because these funds do not have specific contractual maturities.

Certain information related to available-for-sale securities is as follows:

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	Three Months Ended
(In thousands)	June 28, 2014			June 29, 2013
Proceeds from sale of available-for-sale securities	$	59,581		$	95,139
Gross realized gains on sale of available-for-sale securities	$	837		$	1,101
Gross realized losses on sale of available-for-sale securities	(167		)	(994		)
Net realized gains (losses) on sale of available-for-sale securities	$	670		$	107
Amortization of premiums on available-for-sale securities	$	6,233		$	7,159

The cost of securities matured or sold is based on the specific identification method.

Note 6. Derivative Financial Instruments

The Company’s primary objective for holding derivative financial instruments is to manage foreign currency exchange rate risk and interest rate risk. As a result of the use of derivative financial instruments, the Company is exposed to the risk that counterparties to derivative contracts may fail to meet their contractual obligations. The Company manages counterparty credit risk in derivative contracts by reviewing counterparty creditworthiness on a regular basis, establishing collateral requirement and limiting exposure to any single counterparty. The right of set-off that exists with certain transactions enables the Company to net amounts due to and from the counterparty, reducing the maximum loss from credit risk in the event of counterparty default.

As of June 28, 2014 and March 29, 2014, the Company had the following outstanding forward currency exchange contracts (in notional amount), which were derivative financial instruments:

(In thousands and U.S. dollars)	June 28, 2014		March 29, 2014
Singapore Dollar	$	60,052	$	60,551
Euro	48,558		46,062
Indian Rupee	20,919		18,631
British Pound	12,874		12,056
Japanese Yen	9,489		9,273
	$	151,892	$	146,573

As part of the Company’s strategy to reduce volatility of operating expenses due to foreign exchange rate fluctuations, the Company employs a hedging program with a forward outlook of up to two years for major foreign-currency-denominated operating expenses. The outstanding forward currency exchange contracts expire at various dates through May 2016. The net unrealized gains, which approximate the fair market value of the outstanding forward currency exchange contracts, are expected to be realized into net income within the next two years.

As of June 28, 2014, all of the forward foreign currency exchange contracts were designated and qualified as cash flow hedges and the effective portion of the gain or loss on the forward contracts was reported as a component of other comprehensive income (loss) and reclassified into net income in the same period during which the hedged transaction affects earnings. The estimated amount of such gains or losses as of June 28, 2014 that is expected to be reclassified into earnings was not material. The ineffective portion of the gains or losses on the forward contracts was included in the net income for all periods presented.

The Company may enter into forward foreign currency exchange contracts to hedge firm commitments such as acquisitions and capital expenditures. Gains and losses on foreign currency forward contracts that are designated as hedges of anticipated transactions, for which a firm commitment has been attained and the hedged relationship has been effective, are deferred and included in income or expenses in the same period that the underlying transaction is settled. Gains and losses on any instruments not meeting the above criteria are recognized in income or expenses in the consolidated statements of income as they are incurred.

The Company had the following derivative instruments as of June 28, 2014 and March 29, 2014, located on the condensed consolidated balance sheet, utilized for risk management purposes detailed above:

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	Foreign Exchange Contracts
	Asset Derivatives			Liability Derivatives
(In thousands)	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
June 28, 2014	Prepaid expenses and other current assets	$	1,986	Other accrued liabilities	$	675
March 29, 2014	Prepaid expenses and other current assets	$	2,648	Other accrued liabilities	$	935

The Company does not offset or net the fair value amounts of derivative financial instruments in its condensed consolidated balance sheets. The potential effect of rights of set-off associated with the derivative financial instruments was not material to the Company's condensed consolidated balance sheet for all periods presented.

The following table summarizes the effect of derivative instruments on the condensed consolidated statements of income for first quarter of fiscal 2015 and 2014:

	Three Months Ended
(In thousands)	June 28, 2014			June 29, 2013
Amount of losses recognized in other comprehensive income on derivative (effective portion of cash flow hedging)	$	(265	)	$	(802	)
Amount of (gains) losses reclassified from accumulated other comprehensive income into income (effective portion) *	$	807		$	(706	)
Amount of gains (losses) recorded (ineffective portion) *	$	30		$	(18	)

* Recorded in Interest and Other Expense location within the condensed consolidated statements of income.

Note 7. Stock-Based Compensation Plans

The Company’s equity incentive plans are broad-based, long-term retention programs that cover employees, consultants and non-employee directors of the Company. These plans are intended to attract and retain talented employees, consultants and non-employee directors and to provide such persons with a proprietary interest in the Company.

Stock-Based Compensation

The following table summarizes stock-based compensation expense related to stock awards granted under the Company’s equity incentive plans and rights to acquire stock granted under the Company’s Employee Stock Purchase Plan (ESPP):

	Three Months Ended
(In thousands)	June 28, 2014		June 29, 2013
Stock-based compensation included in:
Cost of revenues	$	1,992	$	1,804
Research and development	10,505		10,219
Selling, general and administrative	9,609		8,931
	$	22,106	$	20,954

During the first quarter of fiscal 2015 and 2014, the tax benefits realized for the tax deduction from option exercises and other awards credited to additional paid-in capital were $2.0 million and $1.5 million, respectively.

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The fair values of stock options and stock purchase plan rights under the Company’s equity incentive plans and ESPP were estimated as of the grant date using the Black-Scholes option pricing model. The Company’s expected stock price volatility assumption for stock options is estimated using implied volatility of the Company’s traded options. The expected life of options granted is based on the historical exercise activity as well as the expected disposition of all options outstanding. The expected life of options granted also considers the actual contractual term. The Company's stock-based compensation expense relating to options granted during the first quarter of fiscal 2015 and 2014 were not material.

The estimated fair values of restricted stock unit (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. The per share weighted-average fair value of RSUs granted during the first quarter of fiscal 2015 was $40.69 ($34.23 for the first quarter of fiscal 2014), which were calculated based on estimates at the date of grant using the following weighted-average assumptions:

	Three Months Ended
	June 28, 2014		June 29, 2013
Risk-free interest rate	0.9	%	0.5	%
Dividend yield	2.5	%	2.5	%

Employee Stock Option Plans

A summary of the Company’s option plans activity and related information is as follows:

	Options Outstanding
(Shares in thousands)	Number of Shares		Weighted-Average Exercise Price Per Share
March 30, 2013	12,753		$	28.01
Granted	8		$	41.08
Exercised	(7,421	)	$	29.95
Forfeited/cancelled/expired	(60	)	$	35.61
March 29, 2014	5,280		$	25.22
Granted	—		$	—
Exercised	(538	)	$	27.57
Forfeited/cancelled/expired	(7	)	$	38.24
June 28, 2014	4,735		$	24.93
Options exercisable at:
June 28, 2014	4,528		$	24.61
March 29, 2014	4,935		$	24.87

The types of awards allowed under the 2007 Equity Incentive Plan (2007 Equity Plan) include incentive stock options, non-qualified stock options, RSUs, restricted stock and stock appreciation rights. To date, the Company has issued a mix of non-qualified stock options and RSUs under the 2007 Equity Plan. As of June 28, 2014, 14.7 million shares remained available for grant under the 2007 Equity Plan.

The total pre-tax intrinsic value of options exercised during the three months ended June 28, 2014 and June 29, 2013 was $11.1 million and $12.8 million, respectively. This intrinsic value represents the difference between the exercise price and the fair market value of the Company’s common stock on the date of exercise.

RSU Awards

A summary of the Company’s RSU activity and related information is as follows:

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	RSUs Outstanding
(Shares in thousands)	Number of Shares		Weighted-Average Grant-Date Fair Value Per Share
March 30, 2013	5,996		$	30.83
Granted	3,297		$	38.90
Vested	(2,066	)	$	29.25
Cancelled	(326	)	$	32.28
March 29, 2014	6,901		$	35.08
Granted	403		$	40.69
Vested	(78	)	$	31.56
Cancelled	(69	)	$	34.09
June 28, 2014	7,157		$	35.45

Employee Stock Purchase Plan

Under the Company’s ESPP, no shares were issued during the first quarter of fiscal 2015 or 2014. The next scheduled purchase under the ESPP is in the second quarter of fiscal 2015. As of June 28, 2014, 9.7 million shares were available for future issuance.

Note 8. Net Income Per Common Share

The computation of basic net income per common share for all periods presented is derived from the information on the condensed consolidated statements of income, and there are no reconciling items in the numerator used to compute diluted net income per common share. The following table summarizes the computation of basic and diluted net income per common share:

(In thousands, except per share amounts)	June 28, 2014		June 29, 2013
Net income available to common stockholders	$	173,611	$	157,023
Weighted average common shares outstanding-basic	267,648		264,153
Dilutive effect of employee equity incentive plans	4,568		5,015
Dilutive effect of 2017 Convertible Notes and warrants	9,363		4,878
Dilutive effect of 2037 Convertible Notes	—		6,245
Weighted average common shares outstanding-diluted	281,579		280,291
Basic earnings per common share	$	0.65	$	0.59
Diluted earnings per common share	$	0.62	$	0.56

The total shares used in the denominator of the diluted net income per common share calculation includes potentially dilutive common equivalent shares outstanding that are not included in basic net income per common share by applying the treasury stock method to the impact of the equity incentive plans and to the incremental shares issuable assuming conversion of the Company's convertible debt and warrants (see "Note 10. Debt and Credit Facility" for more discussion of the Company's debt and warrants).

Outstanding stock options and RSUs under the Company's stock award plans and warrants to purchase approximately 206 thousand and 22.7 million shares, for the first quarter of fiscal 2015 and 2014, respectively, were excluded from diluted net income per common share by applying the treasury stock method, as their inclusion would have been antidilutive. These options, RSUs and warrants could be dilutive in the future if the Company’s average share price increases and is greater than the combined exercise prices and the unamortized fair values of these options, RSUs and warrants.

To hedge against potential dilution upon conversion of the 2017 Convertible Notes, the Company also purchased call options on its common stock from the hedge counterparties. The call options give the Company the right to purchase up to 20.2 million shares of its common stock at $29.64 per share. These call options are not considered for purposes of calculating the total shares outstanding under the basic and diluted net income per share, as their effect would be anti-dilutive. Upon exercise, the call options would serve to neutralize the dilutive effect of the 2017 Convertible Notes and potentially reduce the weighted number of diluted shares used in per share calculations.

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Note 9. Inventories

Inventories are stated at the lower of actual cost (determined using the first-in, first-out method), or market (estimated net realizable value) and are comprised of the following:

(In thousands)	June 28, 2014		March 29, 2014
Raw materials	$	17,039	$	15,306
Work-in-process	206,897		192,067
Finished goods	32,855		26,626
	$	256,791	$	233,999

Note 10. Debt and Credit Facility

2017 Convertible Notes

As of June 28, 2014, the Company had $600.0 million principal amount of 2017 Convertible Notes outstanding. The 2017 Convertible Notes are senior in right of payment to the Company’s existing and future unsecured indebtedness that is expressly subordinated in right of payment to the 2017 Convertible Notes, and are ranked equally with all of our other existing and future unsecured senior indebtedness, including the 2019 and 2021 Notes discussed below. The Company may not redeem the 2017 Convertible Notes prior to maturity.

The 2017 Convertible Notes are convertible, subject to certain conditions, into shares of Xilinx common stock at a conversion rate of 33.7391 shares of common stock per $1 thousand principal amount of the 2017 Convertible Notes, representing an effective conversion price of approximately $29.64 per share of common stock. The conversion rate is subject to adjustment for certain events as outlined in the indenture governing the 2017 Convertible Notes, but will not be adjusted for accrued interest. One of the conditions allowing holders of the 2017 Convertible Notes to convert during any fiscal quarter is if the last reported sale price of the Company's common stock for at least 20 trading days during a period of 30 consecutive trading days ending on the last trading day of the preceding fiscal quarter is greater than or equal to 130% of the conversion price on each applicable trading day. This condition was met as of June 28, 2014 and as a result, the 2017 Convertible Notes were convertible at the option of the holders. As of June 28, 2014, the 2017 Convertible Notes were classified as a current liability on the Company's condensed consolidated balance sheet. Additionally, a portion of the equity component attributable to the conversion feature of the 2017 Convertible Notes was classified in temporary stockholders' equity. The amount classified as temporary equity was equal to the difference between the principal amount and carrying value of the 2017 Convertible Notes.

Upon conversion, the Company would pay the holders of the 2017 Convertible Notes cash up to the aggregate principal amount of the 2017 Convertible Notes. If the conversion value exceeds the principal amount, the Company would deliver shares of its common stock in respect to the remainder of its conversion obligation in excess of the aggregate principal amount (conversion spread). Accordingly, there would be no adjustment to the numerator in the net income per common share computation for the cash settled portion of the 2017 Convertible Notes, as that portion of the debt liability will always be settled in cash. The conversion spread will be included in the denominator for the computation of diluted net income per common share, using the treasury stock method.

The carrying values of the liability and equity components of the 2017 Convertible Notes are reflected in the Company’s condensed consolidated balance sheets as follows:

(In thousands)	June 28, 2014			March 29, 2014
Liability component:
Principal amount of the 2017 Convertible Notes	$	600,000		$	600,000
Unamortized discount of liability component	(45,337		)	(49,223		)
Hedge accounting adjustment – sale of interest rate swap	13,101			14,224
Net carrying value of the 2017 Convertible Notes	$	567,764		$	565,001
Equity component (including temporary equity) – net carrying value	$	66,415		$	66,415

The remaining unamortized debt discount, net of the hedge accounting adjustment from the previous sale of the interest rate swap, is being amortized as additional non-cash interest expense over the expected remaining term of the 2017 Convertible Notes. As of June 28, 2014, the remaining term of the 2017 Convertible Notes is 2.9 years.

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Interest expense related to the 2017 Convertible Notes was included in interest and other expense, net on the condensed consolidated statements of income as follows:

	Three Months Ended
(In thousands)	June 28, 2014		June 29, 2013
Contractual coupon interest	$	3,938	$	3,938
Amortization of debt issuance costs	362		362
Amortization of debt discount, net	2,763		2,763
Total interest expense related to the 2017 Convertible Notes	$	7,063	$	7,063

To hedge against potential dilution upon conversion of the 2017 Convertible Notes, the Company purchased call options on its common stock from the hedge counterparties. The call options give the Company the right to purchase up to 20.2 million shares of its common stock at $29.64 per share. The call options will terminate upon the earlier of the maturity of the 2017 Convertible Notes or the last day any of the 2017 Convertible Notes remain outstanding. To reduce the hedging cost, under separate transactions the Company sold warrants to the hedge counterparties, which give the hedge counterparties the right to purchase up to 20.2 million shares of the Company’s common stock at $41.99 per share. These warrants expire on a gradual basis over a specified period starting on September 13, 2017.

2019 and 2021 Notes

On March 12, 2014, the Company issued $500.0 million principal amount of 2019 Notes and $500.0 million principal amount of 2021 Notes with maturity dates of March 15, 2019 and March 15, 2021 respectively. The 2019 and 2021 Notes were offered to the public at a discounted price of 99.477% and 99.281% of par, respectively. Interest on the 2019 and 2021 Notes is payable semiannually on March 15 and September 15.

The Company received net proceeds of $990.1 million from issuance of the 2019 and 2021 Notes, after the debt discounts and deduction of debt issuance costs. The debt discounts and issuance costs are amortized to interest expense over the terms of the 2019 and 2021 Notes.

The following table summarizes the carrying value of the 2019 and 2021 Notes as of June 28, 2014 and March 29, 2014:

(In thousands)	June 28, 2014			March 29, 2014
Principal amount of the 2019 Notes	$	500,000		$	500,000
Unamortized discount of the 2019 Notes	(2,449		)	(2,574		)
Principal amount of the 2021 Notes	500,000			500,000
Unamortized discount of the 2021 Notes	(3,441		)	(3,556		)
Total carrying value	$	994,110		$	993,870

Interest expense related to the 2019 and 2021 Notes was included in interest and other expense, net on the condensed consolidated statements of income as follows:

	Three Months Ended
(In thousands)	June 28, 2014		June 29, 2013
Contractual coupon interest	$	6,406	$	—
Amortization of debt issuance costs	156		—
Amortization of debt discount, net	240		—
Total interest expense related to the 2019 and 2021 Notes	$	6,802	$	—

Revolving Credit Facility

On December 7, 2011, the Company entered into a $250.0 million senior unsecured revolving credit facility with a syndicate of banks (expiring in December 2016). Borrowings under the credit facility will bear interest at a benchmark rate plus an applicable margin based upon the Company’s credit rating. In connection with the credit facility, the Company is required to maintain certain

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financial and nonfinancial covenants. As of June 28, 2014, the Company had made no borrowings under this credit facility and was not in violation of any of the covenants.

Note 11. Common Stock Repurchase Program

The Board of Directors has approved stock repurchase programs enabling the Company to repurchase its common stock in the open market or through negotiated transactions with independent financial institutions. The last approval was the 2012 Repurchase program, which was authorized by the Board in August 2012 to repurchase $750.0 million of the Company’s common stock. The 2012 Repurchase Program has no stated expiration date.

Through June 28, 2014, the Company has used $352.7 million of the $750.0 million authorized under the 2012 Repurchase Program, leaving $397.3 million available for future repurchases. The Company’s current policy is to retire all repurchased shares, and consequently, no treasury shares were held as of June 28, 2014 and March 29, 2014.

During the first quarter of 2015, the Company repurchased 2.1 million shares of common stock in the open market for a total of $100.0 million. There was no repurchase of common stock during the first quarter of fiscal 2014.

Note 12. Interest and Other Expense, Net

The components of interest and other expense, net are as follows:

	Three Months Ended
(In thousands)	June 28, 2014			June 29, 2013
Interest income	$	8,501		$	5,603
Interest expense	(13,865		)	(13,859		)
Other expense, net	(858		)	(1,674		)
	$	(6,222	)	$	(9,930	)

Note 13. Accumulated Other Comprehensive Income (Loss)

Comprehensive income (loss) is defined as the change in equity of a company during a period from transactions and other events and circumstances from non-owner sources. The components of accumulated other comprehensive income (loss) are as follows:

(In thousands)	June 28, 2014			March 29, 2014
Accumulated unrealized gains (losses) on available-for-sale securities, net of tax	$	6,679		$	(889	)
Accumulated unrealized gains on hedging transactions, net of tax	533			798
Accumulated cumulative translation adjustment, net of tax	(286		)	(457		)
Accumulated other comprehensive income (loss)	$	6,926		$	(548	)

The related tax effects of other comprehensive income (loss) were not material for all periods presented.

Note 14. Income Taxes

The Company recorded a tax provision of $26.7 million for the first quarter of fiscal 2015 as compared to $26.0 million in the same prior year period, representing effective tax rates of 13% and 14%, respectively.

The difference between the U.S. federal statutory tax rate of 35% and the Company’s effective tax rate in all periods is primarily due to income earned in lower tax rate jurisdictions, for which no U.S. income tax has been provided, as the Company intends to permanently reinvest these earnings outside of the U.S.

The Company’s total gross unrecognized tax benefits as of June 28, 2014, determined in accordance with FASB authoritative guidance for measuring uncertain tax positions, was $26.4 million. The total amount of unrecognized tax benefits that, if realized in a future period, would favorably affect the effective tax rate was $11.0 million as of June 28, 2014. It is reasonably possible that changes to our unrecognized tax benefits could be significant in the next twelve months due to tax audit settlements and lapses

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of statutes of limitation. As a result of uncertainties regarding tax audit settlements and their possible outcomes, an estimate of the range of increase or decrease that could occur in the next twelve months cannot be made.

The Company’s policy is to include interest and penalties related to income tax liabilities within the provision for income taxes on the condensed consolidated statements of income. The balance of accrued interest and penalties recorded in the condensed consolidated balance sheets and the amounts of interest and penalties included in the Company's provision for income taxes were not material for all periods presented.

The Company is no longer subject to U.S. federal audits by taxing authorities for years through fiscal 2010. The Company is no longer subject to U.S. state audits for years through fiscal 2004, except for fiscal years 1996 through 2001 which are still open for audit purposes. The Company is no longer subject to tax audits in Ireland for years through fiscal 2009.

Note 15. Commitments

Xilinx leases some of its facilities and office buildings under non-cancelable operating leases that expire at various dates through October 2021. Additionally, Xilinx entered into a land lease in conjunction with the Company’s building in Singapore, which will expire in November 2035 and the lease cost was settled in an up-front payment in June 2006. Some of the operating leases for facilities and office buildings require payment of operating costs, including property taxes, repairs, maintenance and insurance. Most of the Company’s leases contain renewal options for varying terms. Approximate future minimum lease payments under non-cancelable operating leases are as follows:

Fiscal	(In thousands)
2015 (remaining nine months)	$	4,514
2016	4,019
2017	2,335
2018	2,102
2019	1,701
Thereafter	3,625
Total	$	18,296

Aggregate future rental income to be received, which includes rents from both owned and leased property, totaled $3.8 million as of June 28, 2014. Rent expense, net of rental income, under all operating leases was $911 thousand and $766 thousand for the three months ended June 28, 2014 and June 29, 2013, respectively. Rental income was not material for the first quarter of fiscal 2015 or 2014.

Other commitments as of June 28, 2014 totaled $115.7 million and consisted of purchases of inventory and other non-cancelable purchase obligations related to subcontractors that manufacture silicon wafers and provide assembly and some test services. The Company expects to receive and pay for these materials and services in the next three to six months, as the products meet delivery and quality specifications. As of June 28, 2014, the Company also had $21.8 million of non-cancelable license obligations to providers of electronic design automation software and hardware/software maintenance expiring at various dates through December 2016.

Note 16. Product Warranty and Indemnification

The Company generally sells products with a limited warranty for product quality. The Company provides an accrual for known product issues if a loss is probable and can be reasonably estimated. As of the end of the first quarter of fiscal 2015 and the end of fiscal 2014, the accrual balance of the product warranty liability was immaterial.

The Company offers, subject to certain terms and conditions, to indemnify customers and distributors for costs and damages awarded against these parties in the event the Company’s hardware products are found to infringe third-party intellectual property rights, including patents, copyrights or trademarks, and to compensate certain customers for limited specified costs they actually incur in the event our hardware products experience epidemic failure.  To a lesser extent, the Company may from time-to-time offer limited indemnification with respect to its software products.  The terms and conditions of these indemnity obligations are limited by contract, which obligations are typically perpetual from the effective date of the agreement. The Company has historically received only a limited number of requests for indemnification under these provisions and has not made any significant payments pursuant to these provisions. The Company cannot estimate the maximum amount of potential future payments, if any, that the Company may be required to make as a result of these obligations due to the limited history of indemnification claims and the

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unique facts and circumstances that are likely to be involved in each particular claim and indemnification provision. However, there can be no assurances that the Company will not incur any financial liabilities in the future as a result of these obligations.

Note 17. Contingencies

Patent Litigation

On February 14, 2011, the Company filed a complaint for declaratory judgment of patent non-infringement and invalidity against Intellectual Ventures in the U.S. District Court for the Northern District of California. On September 30, 2011, the Company amended its complaint in this case to eliminate certain defendants and patents from the action (Xilinx, Inc. v. Intellectual Ventures I LLC and Intellectual Ventures II LLC, Case No CV11-0671) (California Case I). The lawsuit pertained to one patent and sought judgment of non-infringement by Xilinx and judgment that the patent is invalid and unenforceable, as well as costs and attorneys’ fees.

On February 15, 2011, Intellectual Ventures added the Company as a defendant in its complaint for patent infringement previously filed against Altera Corporation (Altera), Microsemi Corporation (Microsemi) and Lattice Semiconductor Corporation (Lattice) in the U.S. District Court for the District of Delaware (Intellectual Ventures I LLC and Intellectual Ventures II LLC v. Altera Corporation, Microsemi Corporation, Lattice Semiconductor Corporation and Xilinx, Inc., Case No. 10-CV-1065) (Delaware Case). The lawsuit pertained to five patents, four of which the Company was alleged to be infringing. Intellectual Ventures sought unspecified damages, interest and attorneys’ fees. Altera, Microsemi and Lattice were previously dismissed from the case with prejudice.

On October 17, 2011, Xilinx filed a complaint for patent non-infringement and invalidity and violation of California Business and Professions Code Section 17200 in the U.S. District Court for the Northern District of California against Intellectual Ventures and related entities as well as additional defendants (Xilinx, Inc. v. Intellectual Ventures, LLC. Intellectual Ventures Management, LLC, Detelle Relay KG, LLC, Roldan Block NY LLC, Latrosse Technologies LLC, TR Technologies Foundation LLC, Taichi Holdings, LLC, Noregin Assets N.V., LLC and Intellectual Venture Funding LLC Case No CV-04407) (California Case II). By order dated January 25, 2012, the Court granted with leave to amend defendants' motion to dismiss our claim for violation of California Business and Professions Code section 17200. The Company amended its complaint to remove the claim for violation of California Business and Professions Code section 17200. The remainder of the lawsuit pertained to two patents and sought judgments of non-infringement by Xilinx and judgments that the patents are invalid and unenforceable, as well as costs and attorneys’ fees.

On May 1, 2014, the Company entered into a confidential settlement agreement with Intellectual Ventures. Under the terms of the settlement, Intellectual Ventures agreed to dismiss with prejudice all outstanding patent litigation against Xilinx. On May 2, 2014, the U.S. District Court for the Northern District of California dismissed California Case I and California Case II and the U.S. District Court for the District of Delaware dismissed the Delaware Case.

On November 5, 2012, a patent infringement lawsuit was filed by Conversant Intellectual Property Management Inc. (Conversant), formerly known as Mosaid Technologies, against the Company in the U.S. District Court for the Eastern District of Texas (Mosaid Technologies Inc. v. Xilinx, Inc., Case No. 6:12-CV-00847). The lawsuit pertained to five patents and Conversant sought unspecified damages, costs, fees, royalties and injunctive relief.

On May 30, 2014, the Company entered into a confidential settlement agreement with Conversant. Under the settlement, Conversant agreed to dismiss with prejudice all outstanding patent litigation against Xilinx. On June 19, 2014, the U.S. District Court for the Eastern District of Texas dismissed the suit.

On July 17, 2014, a patent infringement lawsuit was filed by PLL Technologies, Inc. (PTI) against the Company and three additional named defendants in the U.S. District Court for the District of Delaware (PLL Technologies, Inc. v. Xilinx, Inc., Case No. 1:14-CV-00945).  The lawsuit pertains to one patent and PTI seeks unspecified damages, interest, costs, and fees.  The Company is unable to estimate its range of possible loss, if any, in this matter at this time.

Other Matters

Except as stated above, there are no pending legal proceedings of a material nature to which the Company is a party or of which any of its property is the subject.

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From time to time, the Company is involved in various disputes and litigation matters that arise in the ordinary course of its business. These include disputes and lawsuits related to intellectual property, mergers and acquisitions, licensing, contract law, tax, regulatory, distribution arrangements, employee relations and other matters. Periodically, the Company reviews the status of each matter and assesses its potential financial exposure. If the potential loss from any claim or legal proceeding is considered probable and a range of possible losses can be estimated, the Company accrues a liability for the estimated loss. Legal proceedings are subject to uncertainties, and the outcomes are difficult to predict. Because of such uncertainties, accruals are based only on the best information available at the time. As additional information becomes available, the Company continues to reassess the potential liability related to pending claims and litigation and may revise estimates.

Note 18. Goodwill and Acquisition-Related Intangibles

As of June 28, 2014 and March 29, 2014, the gross and net amounts of goodwill and of acquisition-related intangibles for all acquisitions were as follows:

							Weighted-Average
(In thousands)	June 28, 2014			March 29, 2014			Amortization Life
Goodwill	$	159,296		$	159,296
Core technology, gross	91,860			91,860			5.7 years
Less accumulated amortization	(65,612		)	(63,267		)
Core technology, net	26,248			28,593
Other intangibles, gross	46,716			46,716			2.7 years
Less accumulated amortization	(46,515		)	(46,442		)
Other intangibles, net	201			274
Total acquisition-related intangibles, gross	138,576			138,576
Less accumulated amortization	(112,127		)	(109,709		)
Total acquisition-related intangibles, net	$	26,449		$	28,867

Amortization expense for acquisition-related intangibles for the three months ended June 28, 2014 and June 29, 2013 was $2.4 million and $2.4 million , respectively. Based on the carrying value of acquisition-related intangibles recorded as of June 28, 2014, and assuming no subsequent impairment of the underlying assets, the annual amortization expense for acquisition-related intangibles is expected to be as follows:

Fiscal	(In thousands)
2015 (remaining nine months)	$	7,120
2016	8,935
2017	7,131
2018	2,660
2019	603
Total	$	26,449

Note 19. Subsequent Events

On July 21, 2014, the Company’s Board of Directors declared a cash dividend of $0.29 per common share for the second quarter of fiscal 2015. The dividend is payable on August 27, 2014 to stockholders of record on August 6, 2014.

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Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations

The statements in this Management's Discussion and Analysis that are forward-looking, within the meaning of the Private Securities Litigation Reform Act of 1995, involve numerous risks and uncertainties and are based on current expectations. The reader should not place undue reliance on these forward-looking statements. Our actual results could differ materially from those anticipated in these forward-looking statements for many reasons, including those risks discussed under "Risk Factors" and elsewhere in this document. Often, forward-looking statements can be identified by the use of forward-looking words, such as "may," "will," "could," "should," "expect," "believe," "anticipate," "estimate," "continue," "plan," "intend," "project" and other similar terminology, or the negative of such terms. We disclaim any responsibility to update or revise any forward-looking statement provided in this Management's Discussion and Analysis for any reason.

Critical Accounting Policies and Estimates

The methods, estimates and judgments we use in applying our most critical accounting policies have a significant impact on the results we report in our condensed consolidated financial statements. The SEC has defined critical accounting policies as those that are most important to the portrayal of our financial condition and results of operations and require us to make our most difficult and subjective judgments, often as a result of the need to make estimates of matters that are inherently uncertain. Based on this definition, our critical accounting policies include: valuation of marketable securities, which impacts losses on debt and equity securities when we record impairments; revenue recognition, which impacts the recording of revenues; and valuation of inventories, which impacts cost of revenues and gross margin. Our critical accounting policies also include: the assessment of impairment of long-lived assets, which impacts their valuation; the assessment of the recoverability of goodwill, which impacts goodwill impairment; accounting for income taxes, which impacts the provision or benefit recognized for income taxes, as well as the valuation of deferred tax assets recorded on our condensed consolidated balance sheet; and valuation and recognition of stock-based compensation, which impacts gross margin, research and development (R&D) expenses, and selling, general and administrative (SG&A) expenses. For more discussion please refer to "Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations" included in our Form 10-K for the year ended March 29, 2014 filed with the SEC. We also have other key accounting policies that are not as subjective, and therefore, their application would not require us to make estimates or judgments that are as difficult, but which nevertheless could significantly affect our financial reporting.

Results of Operations: First quarter of fiscal 2015 compared to the first quarter of fiscal 2014

The following table sets forth statement of income data as a percentage of net revenues for the periods indicated:

	Three Months Ended
	June 28, 2014		June 29, 2013
Net revenues	100.0	%	100.0	%
Cost of revenues	30.9		31.0
Gross margin	69.1		69.0
Operating expenses:
Research and development	19.9		19.3
Selling, general and administrative	15.1		16.0
Amortization of acquisition-related intangibles	0.4		0.4
Total operating expenses	35.4		35.7
Operating income	33.7		33.3
Interest and other expense, net	1.0		1.7
Income before income taxes	32.7		31.6
Provision for income taxes	4.4		4.5
Net income	28.3	%	27.1	%

Net Revenues

We sell our products to global manufacturers of electronic products in end markets such as wired and wireless communications, aerospace and defense, industrial, scientific and medical and audio, video and broadcast. The vast majority of our net revenues are generated by sales of our semiconductor products, but we also generate sales from support products. We classify our product offerings into four categories: New, Mainstream, Base and Support Products. The composition of each product category is as follows:

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• New Products include our most recent product offerings and include the Kintex^® UltraScale^TM, Virtex^®-7, Kintex-7, Artix^®-7, Zynq^®-7000, Virtex-6 and Spartan^®-6 product families.

• Mainstream Products include the Virtex-5, Spartan-3 and CoolRunner^TM-II product families.

• Base Products consist of our older product families including the Virtex-4, Virtex-II, Virtex-E, Virtex, Spartan-II, Spartan, CoolRunner and XC9500 products.

• Support Products include configuration solutions, HardWire, software and support/services.

These product categories, except for Support Products, are modified on a periodic basis to better reflect the maturity of the products and advances in technology. The most recent modification was made on April 1, 2012, which was the beginning of our fiscal 2013. New Products include our most recent product offerings and are typically designed into our customers’ latest generation of electronic systems. Mainstream Products are generally several years old and designed into customer programs that are currently shipping in full production. Base Products are older than Mainstream Products with demand generated generally by the customers’ oldest systems still in production. Support Products are generally products or services sold in conjunction with our semiconductor devices to aid customers in the design process.

Net revenues of $612.6 million in the first three months of fiscal 2015 represented a 6% increase from the comparable prior year period of $579.0 million. Net revenues from New Products increased significantly in first three months of fiscal 2015 versus the comparable prior year period, but were partially offset by declines from our older products, in particular Base Products. No end customer accounted for more than 10% of our net revenues for first quarter of fiscal 2015.

For first three months of fiscal 2015, approximately 53% of our net revenues were from products sold to distributors for subsequent resale to original equipment manufacturers (OEMs) or their subcontract manufacturers. As of June 28, 2014, we had $91.5 million of deferred revenue and $22.2 million of deferred cost of revenues recognized as a net $69.3 million of deferred income on shipments to distributors. As of March 29, 2014, we had $75.2 million of deferred revenue and $20.1 million of deferred cost of revenues recognized as a net $55.1 million of deferred income on shipments to distributors. The deferred income on shipments to distributors that will ultimately be recognized in our condensed consolidated statement of income will be different than the amount shown on the condensed consolidated balance sheet due to actual price adjustments issued to the distributors when the product is sold to their end customers.

Net Revenues by Product

Net revenues by product categories for the first quarter of fiscal 2015 and 2014 were as follows:

	Three Months Ended
(In millions)	June 28, 2014		% of Total	% Change		June 29, 2013		% of Total
New Products	$	276.9	45	58		$	175.2	30
Mainstream Products	206.2		34	(2	)	210.5		36
Base Products	110.0		18	(36	)	171.9		30
Support Products	19.5		3	(9	)	21.4		4
Total net revenues	$	612.6	100	6		$	579.0	100

Net revenues from New Products increased significantly in the first three months of fiscal 2015 compared to the comparable prior year period. The increase was a result of sales growth from our 28nm as well as 40nm product families. We expect sales of New Products to continue to grow as more customer programs enter into volume production with our 28nm and 40nm products.

Net revenues from Mainstream Products decreased slightly in the first three months of fiscal 2015 from the comparable prior year period. The decrease was largely due to the decline in sales of our Virtex-5 product family.

Net revenues from Base Products decreased in the first three months of fiscal 2015 from the comparable prior year period. The decrease was due to a decline in sales from our Virtex-2 and Virtex-4 product families. Base Products are mature products and their sales are expected to decline over time.

Net revenues from Support Products decreased in the first three months of fiscal 2015 compared to the comparable prior year period. The decrease was primarily due to a decline in sales from our software and PROM products.

Net Revenues by End Markets

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Our end market revenue data is derived from our understanding of our end customers’ primary markets. Net revenues by end markets are classified into the following four categories: Communications & Data Center; Industrial, Aerospace & Defense; Broadcast, Consumer & Automotive; and Other. The percentage change calculation in the table below represents the year-to-year dollar change in each end market.

Net revenues by end markets for the first quarter of fiscal 2015 and 2014 were as follows:

	Three Months Ended
(% of total net revenues)	June 28, 2014		% Change in Dollars		June 29, 2013
Communications & Data Center	50	%	20		44	%
Industrial, Aerospace & Defense	31		(11	)	37
Broadcast, Consumer & Automotive	16		3		16
Other	3		11		3
Total net revenues	100	%	6		100	%

Net revenues from Communications & Data Center, our largest end market, increased in the first quarter of fiscal 2015 from the comparable prior year period. The increase was primarily due to stronger sales from both wireline and wireless communications, with wireless communications driving most of the growth.

Net revenues from Industrial, Aerospace & Defense decreased in the first quarter of fiscal 2015 from the comparable prior year period. The decrease was primarily driven by lower sales in aerospace and defense applications.

Net revenues from Broadcast, Consumer & Automotive increased (in terms of absolute dollars) in the first three months of fiscal 2015 from the comparable prior year period. The increase was due to an increase in sales from automotive applications.

Net revenues from the Other end market increased (in terms of absolute dollars) in the first quarter of 2015 from the comparable prior year period. The increase was primarily due to higher sales from high-performance computing and computer peripherals applications.

Net Revenues by Geography

Geographic revenue information reflects the geographic location of the distributors, OEMs or contract manufacturers who purchased our products. This may differ from the geographic location of the end customers. Net revenues by geography for the first quarter of fiscal 2015 and 2014 were as follows:

	Three Months Ended
(In millions)	June 28, 2014		% of Total	% Change		June 29, 2013		% of Total
North America	$	160.4	26	(12	)	$	182.6	31
Asia Pacific	261.4		43	26		207.3		36
Europe	129.2		21	(7	)	138.2		24
Japan	61.6		10	21		50.9		9
Total net revenues	$	612.6	100	6		$	579.0	100

Net revenues in North America decreased in the first quarter of fiscal 2015 from the comparable prior year period. The decrease was primarily due to lower sales from Industrial and Aerospace & Defense, which more than offset higher sales to Communications & Data Center.

Net revenues in Asia Pacific increased in the first quarter of fiscal 2015 from the comparable prior year period. The increase was primarily due to an increase in sales to the Communications & Data Center, particularly wireless communication applications.

Net revenues in Europe decreased in the first quarter of fiscal 2015 from the comparable prior year period. The decrease was primarily due to weaker sales to Industrial, Aerospace & Defense and Communications & Data Center.

Net revenues in Japan increased in the first quarter of fiscal 2015 from the comparable prior year period. The increase was primarily due to increased sales in all end markets, particularly wireless communication applications.

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Gross Margin

	Three Months Ended
(In millions)	June 28, 2014			Change		June 29, 2013
Gross margin	$	423.4		6	%	$	399.3
Percentage of net revenues	69.1		%			69.0		%

Gross margin was slightly higher by 0.1 percentage point in the first quarter of fiscal 2015 from the comparable prior year period. The slight improvement in gross margin was driven primarily by our continued focus on margin expansion and cost reduction across our product portfolio.

Gross margin may be affected in the future due to multiple factors, including but not limited to those set forth in Item 1A. "Risk Factors," included in Part II of this Form 10-Q, shifts in the mix of customers and products, competitive-pricing pressure, manufacturing-yield issues and wafer pricing. We expect to mitigate any adverse impacts from these factors by continuing to improve yields on our New Products, improve manufacturing efficiencies, and improve average selling price management. New Products generally have lower gross margins than Mainstream and Base Products as they are in the early stage of their product life cycle and have higher unit costs associated with relatively lower volumes and early manufacturing maturity.

In order to compete effectively, we pass manufacturing cost reductions to our customers in the form of reduced prices to the extent that we can maintain acceptable margins. Price erosion is common in the semiconductor industry, as advances in both product architecture and manufacturing process technology permit continual reductions in unit cost. We have historically been able to offset much of this revenue decline in our mature products with increased revenues from newer products.

Research and Development

	Three Months Ended
(In millions)	June 28, 2014			Change		June 29, 2013
Research and development	$	122.0		9	%	$	111.5
Percentage of net revenues	20		%			19		%

R&D spending increased $10.5 million, or 9%, for the first quarter of fiscal 2015 from the comparable prior year period. The increase was primarily attributable to higher mask and wafer expenses and employee compensation related to our next generation product developments, including our UltraScale product family.

We plan to continue to selectively invest in R&D efforts in areas such as new products and more advanced process development, IP cores and the development of new design and layout software. We may also consider acquisitions to complement our strategy for technology leadership and engineering resources in critical areas.

Selling, General and Administrative

	Three Months Ended
(In millions)	June 28, 2014			Change		June 29, 2013
Selling, general and administrative	$	92.5		—	%	$	92.4
Percentage of net revenues	15		%			16		%

SG&A expenses were relatively flat during the first quarter of fiscal 2015 from the comparable prior year period. We incurred higher employee-related expenses (including stock-based compensation expense) in the first three months of fiscal 2015, but the increase was partially offset by lower legal expenses.

Amortization of Acquisition-Related Intangibles

	Three Months Ended
(In millions)	June 28, 2014			Change		June 29, 2013
Amortization of acquisition-related intangibles	$	2.4		—	%	$	2.4
Percentage of net revenues	—		%			—		%

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Amortization expense for the first quarter of fiscal 2015 remained flat from the comparable prior year period as there was no new major acquisition in the past year.

Stock-Based Compensation

	Three Months Ended
(In millions)	June 28, 2014		Change		June 29, 2013
Stock-based compensation included in:
Cost of revenues	$	2.0	10	%	$	1.8
Research and development	10.5		3	%	10.2
Selling, general and administrative	9.6		7	%	9.0
	$	22.1	5	%	$	21.0

The 5% increase in stock-based compensation expense for the first quarter of fiscal 2015 as compared to the prior year period was primarily related to higher expenses associated with restricted stock units, as we granted more restricted stock units at a higher fair value in the recent years. The higher expense from restricted stock units was partially offset by lower expenses related to stock option grants as we granted a lower number of stock options in the current fiscal year.

Interest and Other Expense, Net

	Three Months Ended
(In millions)	June 28, 2014			Change		June 29, 2013
Interest and other expense, net	$	6.2		(37	)%	$	9.9
Percentage of net revenues	1		%			2		%

Our net interest and other expense decreased by 37% in the first quarter of fiscal 2015 from the comparable prior year period. The decrease was primarily due to higher interest income from the investment portfolio.

Provision for Income Taxes

	Three Months Ended
(In millions)	June 28, 2014			Change		June 29, 2013
Provision for income taxes	$	26.7		3	%	$	26.0
Percentage of net revenues	4		%			4		%
Effective tax rate	13		%			14		%

The difference between the U.S. federal statutory tax rate of 35% and our effective tax rate in all periods is primarily due to income earned in lower tax rate jurisdictions, for which no U.S. income tax has been provided, as we intend to permanently reinvest these earnings outside of the U.S.

The decrease in the effective tax rate in the first quarter of fiscal 2015 as compared to the prior year period was primarily due to an increase in the amount of permanently reinvested foreign earnings for which no U.S. taxes were provided. This was partially offset by an increase in the rate due to the expiration of the U.S. federal research tax credit on December 31, 2013. The first quarter of fiscal 2015 included no credit while the prior year period included such credit.

Financial Condition, Liquidity and Capital Resources

We have historically used a combination of cash flows from operations and equity as well as debt financing to support ongoing business activities, acquire or invest in critical or complementary technologies, purchase facilities and capital equipment, repurchase our common stock and debentures under our repurchase program, pay dividends and finance working capital. Additionally, our investments in debt securities are liquid and available for future business needs.

The combination of cash, cash equivalents and short-term and long-term investments as of June 28, 2014 and March 29, 2014 totaled $3.59 billion and $3.65 billion, respectively. As of June 28, 2014, we had cash, cash equivalents and short-term investments of $2.49 billion and working capital of $2.23 billion. As of March 29, 2014, cash, cash equivalents and short-term investments were $2.46 billion and working capital was $2.08 billion.

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As of June 28, 2014, we had $2.0 billion of cash and cash equivalents and short-term investments held by our non-U.S. jurisdictions. From a financial statement perspective, approximately $801.1 million of the $2.0 billion held by our non-U.S. jurisdictions was available for use in the U.S. without incurring additional U.S. income taxes in excess of the amounts already accrued in our financial statements as of June 28, 2014. The remaining amount of non-U.S. cash and cash equivalents and short-term investments was permanently reinvested and, therefore, no U.S. current or deferred taxes accrued on this amount, which is intended for investment in our operations outside the U.S. We believe our U.S. sources of cash and liquidity are sufficient to meet our business needs in the U.S. and do not expect that we will need to repatriate the funds we have designated as permanently reinvested outside the U.S. Under current tax laws, should our plans change and we were to choose to repatriate some or all of the funds we have designated as permanently reinvested outside the U.S., such amounts would be subject to U.S. income taxes and applicable non-U.S. income and withholding taxes.

Operating Activities —During the first quarter of fiscal 2015, our operations generated net positive cash flow of $130.1 million, which was $14.1 million lower than the $144.2 million generated during the first quarter of fiscal 2014. The positive cash flow from operations generated during the first quarter of fiscal 2015 was primarily from net income as adjusted for non-cash related items and increases in deferred income on shipments to distributors and income taxes payable. These items were partially offset by decreases in accounts payables and accrued liabilities as well as increases in inventories, accounts receivable, prepaid expenses and other assets. Accounts receivable increased by $13.5 million and days sales outstanding (DSO) increased to 42 days at June 28, 2014 from 39 days at March 29, 2014 due to the timing of shipments. Our inventory levels as of June 28, 2014 were $22.8 million higher at $256.8 million compared to $234.0 million at March 29, 2014. Combined inventory days at Xilinx and distribution increased to 135 days at June 28, 2014 from 115 days at March 29, 2014. During the past few quarters, our inventory levels were relatively higher than historical trends due to the build ahead of our 28nm products in anticipation of ramping sales and the build ahead of a number of legacy parts in response to the previously planned closure of a particular foundry process line. We expect to ship the vast majority of these parts over the next one to two years.

Investing Activities —Net cash used in investing activities was $317.2 million during the first quarter of fiscal 2015, as compared to net cash used in investing activities of $226.3 million in the first quarter of fiscal 2014. Net cash used in investing activities during the first quarter of fiscal 2015 consisted of $304.3 million of net purchases of available-for-sale securities, $9.1 million for purchases of property, plant and equipment and $3.7 million of other investing activities.

Financing Activities —Net cash used in financing activities was $161.6 million in the first quarter of fiscal 2015, as compared to $32.1 million in the first quarter of fiscal 2014. Net cash used in financing activities during the first quarter of fiscal 2015 consisted of $101.0 million of cash payment to repurchase common stocks and $77.4 million dividend payments to stockholders, which was partially offset by $14.2 million of proceeds from issuance of common stock under employee stock plans and $2.7 million for the excess of the tax benefit from stock-based compensation.

Contractual Obligations

We lease some of our facilities, office buildings and land under non-cancelable operating leases that expire at various dates through October 2021. See "Note 15. Commitments" to our condensed consolidated financial statements, included in Part I. "Financial Information," for a schedule of our operating lease commitments as of June 28, 2014 and additional information about operating leases.

Due to the nature of our business, we depend entirely upon subcontractors to manufacture our silicon wafers and provide assembly and some test services. The lengthy subcontractor lead times require us to order the materials and services in advance, and we are obligated to pay for the materials and services when completed. As of June 28, 2014, we had $115.7 million of outstanding inventory and other non-cancelable purchase obligations to subcontractors. We expect to receive and pay for these materials and services in the next three to six months, as the products meet delivery and quality specifications. As of June 28, 2014, we also had $21.8 million of non-cancelable license obligations to providers of electronic design automation software and hardware/software maintenance expiring at various dates through December 2016.

As of June 28, 2014, we had $600.0 million of 2017 Convertible Notes outstanding. The 2017 Convertible Notes require payment of interest semiannually on June 15 and December 15 of each year. As of June 28, 2014, the 2017 Convertible Notes debenture are convertible at the option of the holders. We also had $500.0 million of 2019 Notes and $500.0 million of 2021 Notes outstanding as of June 28, 2014. The 2019 and 2021 notes require payment of interest semiannually on March 15 and September 15. See "Note 10 Debt and Credit Facility" to our condensed consolidated financial statements, included in Part 1. "Financial Information," for additional information about our debentures.

As of June 28, 2014, $11.6 million of liabilities for uncertain tax positions and related interest and penalties were classified as long-term income taxes payable in the condensed consolidated balance sheet. Due to the inherent uncertainty with respect to the timing of future cash outflows associated with such liabilities, we are unable to reliably estimate the timing of cash settlement

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with the respective taxing authorities. Therefore, liabilities for uncertain tax positions have been excluded from the contractual obligations table above.

Off-Balance-Sheet Arrangements

As of June 28, 2014, we did not have any significant off-balance-sheet arrangements, as defined in Item 303(a)(4)(ii) of SEC Regulation S-K.

Liquidity and Capital Resources

Cash generated from operations is used as our primary source of liquidity and capital resources. Our investment portfolio is also available for future cash requirements as is our $250.0 million revolving credit facility entered into in December 2011 (expiring in December 2016). We are not aware of any lack of access to the revolving credit facility; however, we can provide no assurance that access to the credit facility will not be impacted by adverse conditions in the financial markets. Our credit facility is not reliant upon a single bank. There have been no borrowings to date under our existing revolving credit facility.

We repurchased 2.1 million shares of our common stock for $100.0 million during the first quarter of fiscal 2015. There were no repurchases of common stock during the first quarter of fiscal 2014. During the first quarter of fiscal 2015, we paid $77.4 million in cash dividends to stockholders, representing $0.29 per common share. During the first quarter of fiscal 2014, we paid $66.0 million in cash dividends to stockholders, representing $0.25 per common share. On July 21, 2014 our Board of Directors declared a cash dividend of $0.29 per common share for the second quarter of fiscal 2015. The dividend is payable on August 27, 2014 to stockholders of record on August 6, 2014. Our common stock and debentures repurchase program and dividend policy could be impacted by, among other items, our views on potential future capital requirements relating to R&D, investments and acquisitions, legal risks, principal and interest payments on our debentures and other strategic investments.

We anticipate that existing sources of liquidity and cash flows from operations will be sufficient to satisfy our cash needs for the foreseeable future. We will continue to evaluate opportunities for investments to obtain additional wafer capacity, to procure additional capital equipment and facilities, to develop new products, and to potentially acquire technologies or businesses that could complement our business. However, the risk factors discussed in Item 1A included in Part II. "Risk Factors" and below could affect our cash positions adversely.

Item 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Interest Rate Risk

Our exposure to interest rate risk relates primarily to our investment portfolio, which consists of fixed income securities with a fair value of approximately $3.28 billion as of June 28, 2014. Our primary aim with our investment portfolio is to invest available cash while preserving principal and meeting liquidity needs. Our investment portfolio includes municipal bonds, mortgage-backed securities, financial institution securities, non-financial institution securities, student loan auction rate securities, U.S. and foreign government and agency securities, bank loans and debt mutual funds. In accordance with our investment policy, we place investments with high credit quality issuers and limit the amount of credit exposure to any one issuer based upon the issuer’s credit rating. These securities are subject to interest rate risk and will decrease in value if market interest rates increase. A hypothetical 100 basis-point (one percentage point) increase or decrease in interest rates compared to rates at June 28, 2014 would have affected the fair value of our investment portfolio by less than $51.0 million.

Credit Market Risk

The global credit markets may experience adverse conditions that negatively impact the values of various types of investment and non-investment grade securities. The global credit and capital markets may experience significant volatility and disruption due to instability in the global financial system, uncertainty related to global economic conditions and concerns regarding sovereign financial stability. Therefore, there is a risk that we may incur other-than-temporary impairment charges for certain types of investments should credit market conditions deteriorate. See "Note 5. Financial Instruments" to our condensed consolidated financial statements, included in Part 1. "Financial Information."

Foreign Currency Exchange Risk

Sales to all direct OEMs and distributors are denominated in U.S. dollars.

Gains and losses on foreign currency forward contracts that are designated as hedges of anticipated transactions, for which a firm commitment has been attained and the hedged relationship has been effective, are deferred and included in income or expenses

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in the same period that the underlying transaction is settled. Gains and losses on any instruments not meeting the above criteria are recognized in income or expenses in the condensed consolidated statements of income as they are incurred.

We enter into forward currency exchange contracts to hedge our overseas operating expenses and other liabilities when deemed appropriate. As of June 28, 2014 and March 29, 2014, we had the following outstanding forward currency exchange contracts (in notional amount):

(In thousands and U.S. dollars)	June 28, 2014		March 29, 2014
Singapore Dollar	$	60,052	$	60,551
Euro	48,558		46,062
Indian Rupee	20,919		18,631
British Pound	12,874		12,056
Japanese Yen	9,489		9,273
	$	151,892	$	146,573

As part of our strategy to reduce volatility of operating expenses due to foreign exchange rate fluctuations, we employ a hedging program with forward outlook of up to two years for major foreign-currency-denominated operating expenses. The outstanding forward currency exchange contracts expire at various dates through May 2016. The net unrealized gains which approximate the fair market value of the forward currency exchange contracts, are expected to be realized into net income within the next two years.

Our investments in several of our wholly-owned subsidiaries are recorded in currencies other than the U.S. dollar. As the financial statements of these subsidiaries are translated at each quarter end during consolidation, fluctuations of exchange rates between the foreign currency and the U.S. dollar increase or decrease the value of those investments. These fluctuations are recorded within stockholders’ equity as a component of accumulated other comprehensive income (loss). Other monetary foreign-denominated assets and liabilities are revalued on a monthly basis with gains and losses on revaluation reflected in net income. A hypothetical 10% favorable or unfavorable change in foreign currency exchange rates at June 28, 2014 would have affected the annualized foreign-currency-denominated operating expenses of our foreign subsidiaries by less than $10.0 million. In addition, a hypothetical 10% favorable or unfavorable change in foreign currency exchange rates compared to rates at June 28, 2014 would have affected the value of foreign-currency-denominated cash and investments by less than $5.0 million.

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Item 4. Controls and Procedures

We maintain a system of disclosure controls and procedures designed to ensure that information required to be disclosed in our reports filed or submitted under the U.S. Securities Exchange Act of 1934, as amended (Exchange Act), is recorded, processed, summarized and reported within the time periods specified in the SEC rules and forms. These controls and procedures are also designed to ensure that such information is accumulated and communicated to our management, including the Chief Executive Officer (CEO) and Chief Financial Officer (CFO), as appropriate to allow timely decisions regarding required disclosure. Internal controls are procedures designed to provide reasonable assurance that: transactions are properly authorized; assets are safeguarded against unauthorized or improper use; and transactions are properly recorded and reported, to permit the preparation of our financial statements in conformity with generally accepted accounting principles.

A control system, no matter how well designed and operated, can provide only reasonable, not absolute, assurance that the control system’s objectives will be met. Further, the design of a control system must reflect the fact that there are resource constraints, and the benefits of controls must be considered relative to their costs. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within the company have been detected. These inherent limitations include the realities that judgments in decision-making can be faulty, and that breakdowns can occur because of simple errors or mistakes. Controls can also be circumvented by the individual acts of some persons, by collusion of two or more people, or by management override of the controls. The design of any system of controls is based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions. Over time, controls may become inadequate because of changes in conditions or deterioration in the degree of compliance with its policies or procedures. Because of the inherent limitations in a cost-effective control system, misstatements due to error or fraud may occur and not be detected. We continuously evaluate our internal controls and make changes to improve them as necessary. Our intent is to maintain our disclosure controls as dynamic systems that change as conditions warrant.

An evaluation was carried out, under the supervision of and with the participation of our management, including our CEO and CFO, of the effectiveness of our disclosure controls and procedures (as defined in Rules 13a–15(e) and 15d–15(e) under the Exchange Act) as of the end of the period covered by this report. Based upon this evaluation, our CEO and CFO have concluded that, as of the end of the period covered by this Form 10-Q, our disclosure controls and procedures are effective to provide reasonable assurance that information required to be disclosed in our Exchange Act reports is recorded, processed, summarized and reported within the time periods specified in the SEC rules and forms, and is accumulated and communicated to our management, including our CEO and CFO, as appropriate to allow timely decisions regarding required disclosure.

There were no changes in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) during the fiscal quarter ended June 28, 2014 that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II. OTHER INFORMATION

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Item 1. Legal Proceedings

Patent Litigation

See "Note 17. Contingencies" to our condensed consolidated financial statements, included in Item 1. "Financial Statements" for information regarding patent litigation.

Other Matters

From time to time, we are involved in various disputes and litigation matters that arise in the ordinary course of our business. These include disputes and lawsuits related to intellectual property, mergers and acquisitions, licensing, contract law, tax, regulatory, distribution arrangements, employee relations and other matters. Periodically, we review the status of each matter and assess its potential financial exposure. If the potential loss from any claim or legal proceeding is considered probable and a range of possible losses can be estimated, we accrue a liability for the estimated loss. Legal proceedings are subject to uncertainties, and the outcomes are difficult to predict. Because of such uncertainties, accruals are based only on the best information available at the time. As additional information becomes available, we continue to reassess the potential liability related to pending claims and litigation and may revise estimates.

Item 1A. Risk Factors

The following risk factors and other information included in this Quarterly Report on Form 10-Q should be carefully considered. The risks and uncertainties described below are not the only risks to the Company. Additional risks and uncertainties not presently known to the Company or that the Company’s management currently deems immaterial also may impair its business operations. If any of the risks described below were to occur, our business, financial condition, operating results and cash flows could be materially adversely affected.

There have been no material changes to our risk factors from those previously disclosed in Part I, Item 1A of our Annual Report on Form 10-K for the fiscal year ended March 29, 2014.

Our success depends on our ability to develop and introduce new products and failure to do so would have a material adverse impact on our financial condition and results of operations.

Our success depends in large part on our ability to develop and introduce new products that address customer requirements and compete effectively on the basis of price, density, functionality, power consumption and performance. The success of new product introductions is dependent upon several factors, including:

• timely completion of new product designs;

• ability to generate new design opportunities and design wins;

• availability of specialized field application engineering resources supporting demand creation and customer adoption of new products;

• ability to utilize advanced manufacturing process technologies on circuit geometries of 28nm and smaller;

• achieving acceptable yields;

• ability to obtain adequate production capacity from our wafer foundries and assembly and test subcontractors;

• ability to obtain advanced packaging;

• availability of supporting software design tools;

• utilization of predefined IP logic;

• customer acceptance of advanced features in our new products; and

• market acceptance of our customers’ products.

Our product development efforts may not be successful, our new products may not achieve industry acceptance and we may not achieve the necessary volume of production that would lead to further per unit cost reductions. Revenues relating to our mature products are expected to decline in the future, which is normal for our product life cycles. As a result, we may be increasingly dependent on revenues derived from design wins for our newer products as well as anticipated cost reductions in the manufacture of our current products. We rely primarily on obtaining yield improvements and corresponding cost reductions in the manufacture of existing products, and on introducing new products that incorporate advanced features and other price/performance factors that enable us to increase revenues while maintaining consistent margins. To the extent that such cost reductions and new product introductions do not occur in a timely manner, or to the extent that our products do not achieve market acceptance at prices with higher margins, our financial condition and results of operations could be materially adversely affected.

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We rely on independent foundries for the manufacture of all of our products and a manufacturing problem or insufficient foundry capacity could adversely affect our operations.

Most of our wafers are manufactured in Taiwan by United Microelectronics Corporation (UMC) and by Taiwan Semiconductor Manufacturing Company Limited (TSMC) for our newest products. In addition, we also have wafers manufactured in South Korea by Samsung Electronics Co., Ltd. Terms with respect to the volume and timing of wafer production and the pricing of wafers produced by the semiconductor foundries are determined by periodic negotiations between Xilinx and these wafer foundries, which usually result in short-term agreements that do not provide for long-term supply or allocation commitments. We are dependent on these foundries to supply the substantial majority of our wafers. We rely on UMC, TSMC and our other foundries to produce wafers with competitive performance attributes. Therefore, the foundries, particularly TSMC who manufactures our newest products, must be able to transition to advanced manufacturing process technologies and increased wafer sizes, produce wafers at acceptable yields and deliver them in a timely manner. Furthermore, we cannot guarantee that the foundries that supply our wafers will offer us competitive pricing terms or other commercial terms important to our business.

We cannot guarantee that our foundries will not experience manufacturing problems, including delays in the realization of advanced manufacturing process technologies or difficulties due to limitations of new and existing process technologies. Furthermore, we cannot guarantee the foundries will be able to manufacture sufficient quantities of our products or that they will continue to manufacture a product for the full life of the product. In addition, weak economic conditions may adversely impact the financial health and viability of the foundries and result in their insolvency or their inability to meet their commitments to us. For example, we may experience supply shortages due to the difficulties foundries may encounter if they must rapidly increase their production capacities from low utilization levels to high utilization levels because of an unexpected increase in demand. We may also experience supply shortages due to very strong demand for our products and a surge in demand for semiconductors in general, which may lead to tightening of foundry capacity across the industry. The insolvency of a foundry or any significant manufacturing problem or insufficient foundry capacity would disrupt our operations and negatively impact our financial condition and results of operations.

General economic conditions and any related deterioration in the global business environment could have a material adverse effect on our business, operating results and financial condition.

During the past five years, global consumer confidence eroded amidst concerns over declining asset values, inflation, volatility in energy costs, geopolitical issues, the availability and cost of credit, rising unemployment, and the stability and solvency of financial institutions, financial markets, businesses and sovereign nations, among other concerns. These concerns slowed global economic growth and resulted in recessions in numerous countries, including many of those in North America, Europe and Asia. The financial condition of certain sovereign nations, particularly in Europe, is of continuing concern as the sovereign debt crisis remains unresolved. These weak economic conditions resulted in reduced customer demand and had a negative impact on our results of operations for the second and third quarter of fiscal 2012 and the third quarter of fiscal 2013. If weak economic conditions return, there may be a number of negative effects on our business, including customers or potential customers reducing or delaying orders, the insolvency of key suppliers, potentially causing production delays, the inability of customers to obtain credit, and the insolvency of one or more customers. Any of these effects could impact our ability to effectively manage inventory levels and collect receivables and ultimately decrease our net revenues and profitability.

The semiconductor industry is characterized by cyclical market patterns and a significant industry downturn could adversely affect our operating results.

The semiconductor industry is highly cyclical and our financial performance has been affected by downturns in the industry. Down cycles are generally characterized by price erosion and weaker demand for our products. Weaker demand for our products resulting from economic conditions in the end markets we serve and reduced capital spending by our customers can result, and in the past has resulted, in excess and obsolete inventories and corresponding inventory write-downs. We attempt to identify changes in market conditions as soon as possible; however, the dynamics of the market in which we operate make prediction of and timely reaction to such events difficult. Due to these and other factors, our past results are not reliable predictors of our future results.

The nature of our business makes our revenues difficult to predict which could have an adverse impact on our business.

In addition to the challenging market conditions we may face, we have limited visibility into the demand for our products, particularly new products, because demand for our products depends upon our products being designed into our end customers’ products and those products achieving market acceptance. Due to the complexity of our customers’ designs, the design to volume production process for our customers requires a substantial amount of time, frequently longer than a year. In addition, we are dependent upon "turns," orders received and turned for shipment in the same quarter. These factors make it difficult for us to forecast future sales and project quarterly revenues. The difficulty in forecasting future sales impairs our ability to project our inventory requirements, which could result, and in the past has resulted, in inventory write-downs or failure to meet customer product demands in a timely manner. In addition, difficulty in forecasting revenues compromises our ability to provide forward-looking revenue and earnings guidance.

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If we are not able to compete successfully in our industry, our financial results and future prospects will be adversely affected.

Our Programmable Logic Devices (PLD) compete in the logic integrated circuits (IC) industry, an industry that is intensely competitive and characterized by rapid technological change, increasing levels of integration, product obsolescence and continuous price erosion. We expect increased competition from our primary PLD competitors, Altera, Lattice and Microsemi, and from new market entrants. In addition, competition from the application specific integrated circuits (ASIC) market and from the application specific standard products (ASSP) market continues. We believe that important competitive factors in the logic IC industry include:

• product pricing;

• time-to-market;

• product performance, reliability, quality, power consumption and density;

• field upgradeability;

• adaptability of products to specific applications;

• ease of use and functionality of software design tools;

• availability and functionality of predefined IP logic;

• inventory and supply chain management;

• access to leading-edge process technology and assembly capacity;

• ability to provide timely customer service and support; and

• access to advanced packaging technology.

Our strategy for expansion in the logic market includes continued introduction of new product architectures that address high-volume, low-cost and low-power applications as well as high-performance, high-density applications. However, we may not be successful in executing this strategy. In addition, we anticipate continued pressure from our customers to reduce prices, which may outpace our ability to lower the cost for established products.

Other competitors include manufacturers of:

• high-density programmable logic products characterized by field programmable gate array (FPGA) type architectures;

• high-volume and low-cost FPGAs as programmable replacements for ASICs and ASSPs;

• ASICs and ASSPs with incremental amounts of embedded programmable logic;

• high-speed, low-density complex programmable logic devices;

• high-performance digital signal processing devices;

• products with embedded processors;

• products with embedded multi-gigabit transceivers; and

• other new or emerging programmable logic products.

Several companies have introduced products that compete with ours or have announced their intention to sell PLD products. To the extent that our efforts to compete are not successful, our financial condition and results of operations could be materially adversely affected.

The benefits of programmable logic have attracted a number of competitors to this segment. We recognize that different applications require different programmable technologies, and we are developing architectures, processes and products to meet these varying customer needs. Recognizing the increasing importance of standard software solutions, we have developed common software design tools that support the full range of our IC products. We believe that automation and ease of design are significant competitive factors in this segment.

We could also face competition from our licensees. In the past we have granted limited rights to other companies with respect to certain aspects of our older technology, and we may do so in the future. Granting such rights may enable these companies to manufacture and market products that may be competitive with some of our older products.

Increased costs of wafers and materials, or shortages in wafers and materials, could adversely impact our gross margins and lead to reduced revenues.

If greater demand for wafers is not offset by an increase in foundry capacity, market demand for wafers or production and assembly materials increases, or if a supplier of our wafers ceases or suspends operations, our supply of wafers and other materials could become limited. Such shortages raise the likelihood of potential wafer price increases, wafer shortages or shortages in materials at production and test facilities, resulting in potential inability to address customer product demands in a timely manner. For example, when certain suppliers were forced to temporarily halt production as the result of a natural disaster, this resulted in a tightening of supply for those materials. Such shortages of wafers and materials as well as increases in wafer or materials prices could adversely affect our gross margins and would adversely affect our ability to meet customer demands and lead to reduced revenue.

We depend on distributors, primarily Avnet, to generate a majority of our sales and complete order fulfillment.

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Resale of product through Avnet accounted for 42% of our worldwide net revenues in fiscal 2015 and as of June 28, 2014, Avnet accounted for 63% of our total net accounts receivable. Any adverse change to our relationship with Avnet or our remaining distributors could have a material impact on our business. Furthermore, if a key distributor materially defaults on a contract or otherwise fails to perform, our business and financial results would suffer. In addition, we are subject to concentrations of credit risk in our trade accounts receivable, which includes accounts of our distributors. A significant reduction of effort by a distributor to sell our products or a material change in our relationship with one or more distributors may reduce our access to certain end customers and adversely affect our ability to sell our products.

In addition, the financial health of our distributors and our continuing relationships with them are important to our success. Unpredictable economic conditions may adversely impact the financial health of some of these distributors, particularly our smaller distributors. This could result in the insolvency of certain distributors, the inability of distributors to obtain credit to finance the purchase of our products, or cause distributors to delay payment of their obligations to us and increase our credit risk exposure. Our business could be harmed if the financial health of these distributors impairs their performance and we are unable to secure alternate distributors.

We are dependent on independent subcontractors for most of our assembly and test services, and unavailability or disruption of these services could negatively impact our financial condition and results of operations.

We are dependent on subcontractors to provide semiconductor assembly, substrate, test and shipment services. Any prolonged inability to obtain wafers with competitive performance and cost attributes, adequate yields or timely delivery, any disruption in assembly, test or shipment services, delays in stabilizing manufacturing processes and ramping up volume for new products, transitions to new service providers or any other circumstance that would require us to seek alternative sources of supply, could delay shipments and have a material adverse effect on our ability to meet customer demands. In addition, unpredictable economic conditions may adversely impact the financial health and viability of these subcontractors and result in their insolvency or their inability to meet their commitments to us. These factors would result in reduced net revenues and could negatively impact our financial condition and results of operations.

A number of factors, including our inventory strategy, can impact our gross margins.

A number of factors, including yield, wafer pricing, product mix, market acceptance of our new products, competitive pricing dynamics, geographic and/or market segment pricing strategies can cause our gross margins to fluctuate. In addition, forecasting our gross margins is difficult because a significant portion of our business is based on turns within the same quarter.

Our current inventory levels are higher than historical norms due to our decision to build ahead of a previously planned closure of a particular foundry process line at one of our foundry partners, weaker than anticipated sales and a planned increase in safety stock across newer technologies in anticipation of future revenue growth. In the event demand does not materialize, we may be subject to incremental obsolescence costs. In addition, future product cost reductions could have an increased impact on our inventory valuation, which would then impact our operating results.

Reductions in the average selling prices of our products could have a negative impact on our gross margins.

The average selling prices of our products generally decline as the products mature. We seek to offset the decrease in selling prices through yield improvement, manufacturing cost reductions and increased unit sales. We also continue to develop higher value products or product features that increase, or slow the decline of, the average selling price of our products. However, there is no guarantee that our ongoing efforts will be successful or that they will keep pace with the decline in selling prices of our products, which could ultimately lead to a decline in revenues and have a negative effect on our gross margins.

Because of our international business and operations, we are vulnerable to the economic conditions of the countries in which we operate and currency fluctuations could have a material adverse effect on our business and negatively impact our financial condition and results of operations.

In addition to our U.S. operations, we also have significant international operations, including foreign sales offices to support our international customers and distributors, our regional headquarters in Ireland and Singapore and an R&D site in India. Our international operations have grown because we have established certain operations and administrative functions outside the U.S. Sales and operations outside of the U.S. subject us to the risks associated with conducting business in foreign economic and regulatory environments. Our financial condition and results of operations could be adversely affected by unfavorable economic conditions in countries in which we do significant business or by changes in foreign currency exchange rates affecting those countries. We derive over one-half of our revenues from international sales, primarily in the Asia Pacific region, Europe and Japan. Past economic weaknesses in these markets adversely affected revenues. Sales to all direct OEMs and distributors are denominated in U.S. dollars. While the recent movements of the Euro and Yen exchange rates against the U.S. dollar had no material impact to our business, increased volatility could impact our European and Japanese customers. Currency instability and volatility and disruptions in the credit and capital markets may increase credit risks for some of our customers and may impair our customers’ ability to repay existing obligations. Increased currency volatility could also positively or negatively impact our foreign-currency-denominated costs, assets and liabilities. In addition, any devaluation of the U.S. dollar relative to other foreign currencies may

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increase the operating expenses of our foreign subsidiaries adversely affecting our results of operations. Furthermore, because we are increasingly dependent on the global economy, instability in worldwide economic environments occasioned, for example, directly or indirectly by political instability, terrorist activity, U.S. or other military actions, and international sanctions or other diplomatic actions (potentially including sanctions adopted or under consideration by the U.S. or European Union with respect to Russia or Russian individuals or businesses), could adversely impact economic activity and lead to a contraction of capital spending by our customers generally or in specific regions. Any or all of these factors could adversely affect our financial condition and results of operations in the future.

We are subject to the risks associated with conducting business operations outside of the U.S. which could adversely affect our business.

In addition to international sales and support operations and development activities, we purchase our wafers from foreign foundries, have our commercial products assembled, packaged and tested by subcontractors located outside the U.S. and utilize third party warehouse operators to store and manage inventory levels for certain of our products. All of these activities are subject to the uncertainties associated with international business operations, including tax laws and regulations, trade barriers, economic sanctions, import and export regulations, duties and tariffs and other trade restrictions, changes in trade policies, anti-corruption laws, foreign governmental regulations, potential vulnerability of and reduced protection for IP, longer receivable collection periods and disruptions or delays in production or shipments, any of which could have a material adverse effect on our business, financial condition and/or operating results. Additional factors that could adversely affect us due to our international operations include rising oil prices and increased costs of natural resources. Moreover, our financial condition and results of operations could be affected in the event of political conflicts or economic crises in countries where our main wafer providers, warehouses, end customers and contract manufacturers who provide assembly and test services worldwide, are located. Adverse change to the circumstances or conditions of our international business operations could have a material adverse effect on our business.

We are exposed to fluctuations in interest rates and changes in credit rating and in the market values of our portfolio investments which could have a material adverse impact on our financial condition and results of operations.

Our cash, short-term and long-term investments represent significant assets that may be subject to fluctuating or even negative returns depending upon interest rate movements, changes in credit rating and financial market conditions. Global credit market disruptions and economic slowdown and uncertainty have in the past negatively impacted the values of various types of investment and non-investment grade securities. The global credit and capital markets may again experience significant volatility and disruption due to instability in the global financial system, uncertainty related to global economic conditions and concerns regarding sovereign financial stability.

Therefore, there is a risk that we may incur other-than-temporary impairment charges for certain types of investments should credit market conditions deteriorate or the underlying assets fail to perform as anticipated. Our future investment income may fall short of expectations due to changes in interest rates or if the decline in fair values of our debt securities is judged to be other than temporary. Furthermore, we may suffer losses in principal if we are forced to sell securities that have declined in market value due to changes in interest rates or financial market conditions.

Our failure to protect and defend our IP could impair our ability to compete effectively.

We rely upon patent, copyright, trade secret, mask work and trademark laws to protect our IP. We cannot provide assurance that such IP rights can be successfully asserted in the future or will not be invalidated, violated, circumvented or challenged. From time to time, third parties, including our competitors, have asserted against us patent, copyright and other IP rights to technologies that are important to us. Third parties may attempt to misappropriate our IP through electronic or other means or assert infringement claims against our indemnities or us in the future. Such assertions by third parties may result in costly litigation, indemnity claims or other legal actions, and we may not prevail in such matters or be able to license any valid and infringed patents from third parties on commercially reasonable terms. This could result in the loss of our ability to import and sell our products or require us to pay costly royalties to third parties in connection with sales of our products. Any infringement claim, indemnification claim, or impairment or loss of use of our IP could materially adversely affect our financial condition and results of operations.

Our ability to design and introduce new products in a timely manner is dependent upon third-party IP.

In the design and development of new products and product enhancements, we rely on third-party intellectual property such as software development tools and hardware testing tools. Furthermore, certain product features may rely on intellectual property acquired from third parties. The design requirements necessary to meet future consumer demands for more features and greater functionality from semiconductor products may exceed the capabilities of the third-party intellectual property or development tools that are available to us. If the third-party intellectual property that we use becomes unavailable or fails to produce designs that meet consumer demands, our business could be adversely affected.

We rely on information technology systems, and failure of these systems to function properly or unauthorized access to our systems could result in business disruption.

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We rely in part on various information technology (IT) systems to manage our operations, including financial reporting, and we regularly evaluate these systems and make changes to improve them as necessary. Consequently, we periodically implement new, or upgrade or enhance existing, operational and IT systems, procedures and controls. For example, in the third quarter of fiscal 2012 we upgraded the IT systems we use to manage our operations and record and report financial information, and in the past we simplified our supply chain and were required to make certain changes to our IT systems. Any delay in the implementation of, or disruption in the transition to, new or enhanced systems, procedures or controls, could harm our ability to record and report financial and management information on a timely and accurate basis. These systems are also subject to power and telecommunication outages or other general system failures. Failure of our IT systems or difficulties in managing them could result in business disruption. We also may be subject to unauthorized access to our IT systems through a security breach or attack. In the past there have been attempts by third parties to penetrate and/or infect our network and systems with malicious software, in an effort to gain access to our network and systems. We seek to detect and investigate any security incidents and prevent their recurrence, but in some cases, we might be unaware of an incident or its magnitude and effects. Our business could be significantly harmed and we could be subject to third party claims in the event of such a security breach.

Earthquakes and other natural disasters could disrupt our operations and have a material adverse effect on our financial condition and results of operations.

The independent foundries upon which we rely to manufacture our products, as well as our California and Singapore facilities, are located in regions that are subject to earthquakes and other natural disasters. UMC’s and TSMC's foundries in Taiwan and our assembly and test partners in other regions as well as many of our operations in California are centered in areas that have been seismically active in the recent past and some areas have been affected by other natural disasters such as typhoons. Any catastrophic event in these locations will disrupt our operations, including our manufacturing activities and our insurance may not cover losses resulting from such disruptions of our operations. This type of disruption could result in our inability to manufacture or ship products, thereby materially adversely affecting our financial condition and results of operations. For example, as a result of the March 2011 earthquake in Japan, production at the Seiko foundry at Sakata was halted temporarily, impacting production of some of our older devices. In addition, suppliers of wafers and substrates were forced to halt production temporarily. Disruption of operations at these foundries for any reason, including other natural disasters such as typhoons, tsunamis, volcano eruptions, fires or floods, as well as disruptions in access to adequate supplies of electricity, natural gas or water could cause delays in shipments of our products, and could have a material adverse effect on our results of operations. Furthermore, natural disasters can also indirectly impact us.  For example, our customers’ supply of other complimentary products may be disrupted by a natural disaster and may cause them to delay orders of our products.

If we are unable to maintain effective internal controls, our stock price could be adversely affected.

We are subject to the ongoing internal control provisions of Section 404 of the Sarbanes-Oxley Act of 2002 (the Act). Our controls necessary for continued compliance with the Act may not operate effectively at all times and may result in a material weakness disclosure. The identification of material weaknesses in internal control, if any, could indicate a lack of proper controls to generate accurate financial statements and could cause investors to lose confidence and our stock price to drop.

We compete with others to attract and retain key personnel, and any loss of, or inability to attract, such personnel would harm us.

We depend on the efforts and abilities of certain key members of management and other technical personnel. Our future success depends, in part, upon our ability to retain such personnel and attract and retain other highly qualified personnel, particularly product engineers. Competition for such personnel is intense and we may not be successful in hiring or retaining new or existing qualified personnel. From time to time we have effected restructurings which eliminate a number of positions. Even if such personnel are not directly affected by the restructuring effort, such terminations can have a negative impact on morale and our ability to attract and hire new qualified personnel in the future. If we lose existing qualified personnel or are unable to hire new qualified personnel, as needed, our business, financial condition and results of operations could be seriously harmed.

Unfavorable results of legal proceedings could adversely affect our financial condition and operating results.

From time to time we are subject to various legal proceedings and claims that arise out of the ordinary conduct of our business. The amount of damages alleged in certain legal claims may be significant. For example, in December 2013, we entered into a Settlement and License Agreement with PACT in which the parties agreed to dismiss with prejudice all outstanding patent litigation among us, Avnet and PACT. As part of the settlement, we agreed to pay PACT a lump sum of $33.5 million. Certain other claims involving the Company are not yet resolved, including those that are discussed under Item 1. "Legal Proceedings," included in Part II of this Form 10-Q, and additional claims may arise in the future. Results of legal proceedings cannot be predicted with certainty. Regardless of its merit, litigation may be both time-consuming and disruptive to our operations and cause significant expense and diversion of management attention and we may enter into material settlements to avoid these risks. Should we fail to prevail in certain matters, or should several of these matters be resolved against us in the same reporting period, we may be faced with significant monetary damages or injunctive relief against us that would materially and adversely affect a portion of our business and might materially and adversely affect our financial condition and operating results.

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Our products could have defects which could result in reduced revenues and claims against us.

We develop complex and evolving products that include both hardware and software. Despite our testing efforts and those of our subcontractors, defects may be found in existing or new products. These defects may cause us to incur significant warranty, support and repair or replacement costs, divert the attention of our engineering personnel from our product development efforts and harm our relationships with customers. Subject to certain terms and conditions, we have agreed to compensate certain customers for limited specified costs they actually incur in the event our hardware products experience epidemic failure. As a result, epidemic failure and other performance problems could result in claims against us, the delay or loss of market acceptance of our products and would likely harm our business. Our customers could also seek damages from us for their losses.

In addition, we could be subject to product liability claims. A product liability claim brought against us, even if unsuccessful, would likely be time-consuming and costly to defend. Product liability risks are particularly significant with respect to aerospace, automotive and medical applications because of the risk of serious harm to users of these products. Any product liability claim, whether or not determined in our favor, could result in significant expense, divert the efforts of our technical and management personnel, and harm our business.

In preparing our financial statements, we make good faith estimates and judgments that may change or turn out to be erroneous.

In preparing our financial statements in conformity with accounting principles generally accepted in the U.S., we must make estimates and judgments in applying our most critical accounting policies. Those estimates and judgments have a significant impact on the results we report in our condensed consolidated financial statements. The most difficult estimates and subjective judgments that we make concern valuation of marketable and non-marketable securities, revenue recognition, inventories, long-lived assets including acquisition-related intangibles, goodwill, taxes and stock-based compensation. We base our estimates on historical experience, input from outside experts and on various other assumptions that we believe to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. We also have other key accounting policies that are not as subjective, and therefore, their application would not require us to make estimates or judgments that are as difficult, but which nevertheless could significantly affect our financial reporting. Actual results may differ materially from these estimates. If these estimates or their related assumptions change, our operating results for the periods in which we revise our estimates or assumptions could be adversely and perhaps materially affected.

The conditional conversion features of our 2.625% Senior Convertible Debentures due June 15, 2017 (2017 Convertible Notes) were triggered and holders of the 2017 Convertible Notes may elect to convert such 2017 Convertible Notes which could have a material effect on our liquidity.

The 2017 Convertible Notes have conditional conversion features which were triggered in fiscal 2013. Holders of the 2017 Convertible Notes are entitled to convert the 2017 Convertible Notes at any time during specified periods at their option. As a result of this, we were required under applicable accounting rules to reclassify all or a portion of the outstanding principal of the 2017 Convertible Notes as a current rather than long-term liability. In addition, we were required to increase the number of shares used in our per share calculations to reflect the potentially dilutive impact of the conversion.

If one or more holders elect to convert their 2017 Convertible Notes, we would be required to settle any converted principal through the payment of cash, which could adversely affect our liquidity.

Our failure to comply with the requirements of the International Traffic and Arms Regulations could have a material adverse effect on our financial condition and results of operations.

Certain Xilinx space-grade FPGAs and related technologies are subject to the International Traffic in Arms Regulations (ITAR), which are administered by the U.S. Department of State. The ITAR governs the export and re-export of these FPGAs, the transfer of related technical data and the provision of defense services, as well as offshore production, test and assembly. We are required to maintain an internal compliance program and security infrastructure to meet ITAR requirements.

An inability to obtain the required export licenses, or to predict when they will be granted, increases the difficulties of forecasting shipments. In addition, security or compliance program failures that could result in penalties or a loss of export privileges, as well as stringent ITAR licensing restrictions that may make our products less attractive to overseas customers, could have a material adverse effect on our business, financial condition and/or operating results.

Our inability to effectively control the sale of our products on the gray market could have a material adverse effect on us.

39

We market and sell our products directly to OEMs and through authorized third-party distributors which helps to ensure that products delivered to our customers are authentic and properly handled.  From time to time, customers may purchase products bearing our name from the unauthorized "gray market."   These parts may be counterfeit, salvaged or re-marked parts, or parts that have been altered, mishandled, or damaged.  Gray market products result in shadow inventory that is not visible to us, thus making it difficult to forecast supply or demand.  Also, when gray market products enter the market, we and our authorized distributors may compete with brokers of these discounted products, which can adversely affect demand for our products and negatively impact our margins.  In addition, our reputation with customers may be negatively impacted when gray market products bearing our name fail or are found to be substandard.

The conflict minerals provisions of the Dodd-Frank Wall Street Reform and Consumer Protection Act could result in additional costs and liabilities.

In accordance with the Dodd-Frank Wall Street Reform and Consumer Protection Act, the SEC established new disclosure and reporting requirements for those companies who use "conflict" minerals mined from the Democratic Republic of Congo and adjoining countries in their products, whether or not these products are manufactured by third parties.  These new requirements could affect the sourcing and availability of minerals used in the manufacture of our semiconductor products.   There will also be costs associated with complying with the disclosure requirements, including for due diligence in regard to the sources of any conflict minerals used in our products, in addition to the cost of remediation and other changes to products, processes, or sources of supply as a consequence of such verification activities. We may face reputational challenges if we are unable to sufficiently verify the origins for all minerals used in our products through the due diligence process we implement. Moreover, we may encounter challenges to satisfy those customers who require that all of the components of our products are certified as conflict free.

Considerable amounts of our common shares are available for issuance under our equity incentive plans and 2017 Convertible Notes, and significant issuances in the future may adversely impact the market price of our common shares.

As of June 28, 2014 we had 2.00 billion authorized common shares, of which 267.1 million shares were outstanding. In addition, 36.3 million common shares were reserved for issuance pursuant to our equity incentive plans and Employee Stock Purchase Plan, 20.2 million common shares were reserved for issuance upon conversion or repurchase of the 2017 Convertible Notes and 20.2 million common shares were reserved for issuance upon exercise of warrants. The availability of substantial amounts of our common shares resulting from the exercise or settlement of equity awards outstanding under our equity incentive plans or the conversion or repurchase of convertible debentures using common shares, which would be dilutive to existing stockholders, could adversely affect the prevailing market price of our common shares and could impair our ability to raise additional capital through the sale of equity securities.

We have indebtedness that could adversely affect our financial position and preventus from fulfilling our debt obligations.

The aggregate amount of our consolidated indebtedness as of June 28, 2014 was $1.60 billion (principal amount), which includes $500.0 million in aggregate principal amount of our 2.125% Notes due 2019 (2019 Notes), $500.0 million in aggregate principal amount of our 3.000% Notes due 2021 (2021 Notes) and $600.0 million in aggregate principal amount of our 2017 Convertible Notes. We also may incur additional indebtedness in the future. Our indebtedness may:

• make it difficult for us to satisfy our financial obligations, including making scheduled principal and interest payments on the debentures and our other indebtedness;

• limit our ability to borrow additional funds for working capital, capital expenditures, acquisitions or other general corporate purposes;

• limit our ability to use our cash flow or obtain additional financing for future working capital, capital expenditures, acquisitions or other general business purposes;

• require us to use a portion of our cash flow from operations to make debt service payments;

• limit our flexibility to plan for, or react to, changes in our business and industry;

• place us at a competitive disadvantage compared to our less leveraged competitors;

• increase our vulnerability to the impact of adverse economic and industry conditions; and

• require us to repatriate off-shore cash to the U.S. at unfavorable tax rates.

Our ability to meet our debt service obligations will depend on our future performance, which will be subject to financial, business and other factors affecting our operations, many of which are beyond our control.

The agreements governing the 2019 Notes and 2021 Notes contain covenants that may adversely affect our ability to operate our business.

The indentures governing the 2019 Notes and 2021 Notes contain various covenants limiting our and our subsidiaries’ ability to, among other things:

40

• create certain liens on principal property or the capital stock of certain subsidiaries;

• enter into certain sale and leaseback transactions with respect to principal property;

• consolidate or merge with, or convey, transfer or lease all or substantially all our assets, taken as a whole, to, another person.

A failure to comply with these covenants and other provisions in these indentures could result in events of default under the indentures, which could permit acceleration of the 2019 Notes and the 2021 Notes. Any required repayment as a result of such acceleration could have a material adverse effect on our business, results of operations, financial condition or cash flows.

The call options and warrant transactions related to our 2017 Convertible Notes may affect the value of the debenturesand our common stock.

To hedge against potential dilution upon conversion of the 2017 Convertible Notes, we purchased call options on our common stock from the hedge counterparties. We also sold warrants to the hedge counterparties, which could separately have a dilutive effect on our earnings per share to the extent that the market price per share of our common stock exceeds the applicable strike price of the warrants of $41.99 per share.

As the hedge counterparties and their respective affiliates modify hedge positions, they may enter or unwind various derivatives with respect to our common stock and/or purchase or sell our common stock in secondary market transactions. This activity also could affect the market price of our common stock and/or debentures, which could affect the ability of the holders of the debentures to convert and the number of shares and value of the consideration that will be received by the holders of the debentures upon conversion.

Acquisitions and strategic investments present risks, and we may not realize the goals that were contemplated at the time of a transaction.

We recently acquired technology companies whose products complement our products, and in the past we have made a number of strategic investments in other technology companies. We may make similar acquisitions and strategic investments in the future. Acquisitions and strategic investments present risks, including:

• our ongoing business may be disrupted and our management’s attention may be diverted by investment, acquisition, transition or integration activities;

• an acquisition or strategic investment may not further our business strategy as we expected, and we may not integrate an acquired company or technology as successfully as we expected;

• our operating results or financial condition may be adversely impacted by claims or liabilities that we assume from an acquired company or technology or that are otherwise related to an acquisition;

• we may have difficulty incorporating acquired technologies or products with our existing product lines;

• we may have higher than anticipated costs in continuing support and development of acquired products, and in general and administrative functions that support such products;

• our strategic investments may not perform as expected; and

• we may experience unexpected changes in how we are required to account for our acquisitions and strategic investments pursuant to U.S. GAAP.

The occurrence of any of these risks could have a material adverse effect on our business, results of operations, financial condition or cash flows, particularly in the case of a larger acquisition or several concurrent acquisitions or strategic investments.

Item 2. Unregistered Sale of Equity Securities and Use of Proceeds

The Company did not repurchase any of its common stock during the first quarter of fiscal 2014.

In August 2012, the Board authorized the repurchase of $750.0 million of common stock and debentures through the 2012 Repurchase Program. The 2012 Repurchase Programs have no stated expiration date. Through June 28, 2014, the Company had used $352.7 million of the $750.0 million authorized under the 2012 Repurchase Program, leaving $397.3 million available for future purchases.

The following table summarizes the Company’s repurchase of its common stock during the first quarter of fiscal 2015:

41

	Total Number of Shares Purchased	Average Price Paid per Share		Total Number of Shares Purchased as Part of  Publicly Announced Program	Approximate Dollar Value of Shares that May Yet Be Purchased Under the Program
(In thousands, except per share amounts)
Period
March 30, 2014 to May 3, 2014	1,062	$	47.10	1,062	$	447,350
May 4, 2014 to May 31, 2014	1,076	$	46.47	1,076	$	397,350
June 1, 2014 to June 28, 2014	—	$	—	—	$	397,350
Total for the Quarter	2,138			2,138

Item 6. Exhibits

31.1	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1	Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2	Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.LAB	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document

Items 3, 4 and 5 are not applicable and have been omitted.

42

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	XILINX, INC.
Date: July 28, 2014	/s/ Jon A. Olson
	Jon A. Olson
	Executive Vice President, Finance and Chief Financial Officer (as principal accounting and financial officer and on behalf of Registrant)

43

EX-31.1

Exhibit 31.1

XILINX, INC.

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Moshe N. Gavrielov, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Xilinx, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a–15(e) and 15d–15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation: and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: July 28, 2014	/s/ Moshe N. Gavrielov
	Moshe N. Gavrielov
	President and Chief Executive Officer

EX-31.2

Exhibit 31.2

XILINX, INC.

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Jon A. Olson, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Xilinx, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a–15(e) and 15d–15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation: and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: July 28, 2014	/s/ Jon A. Olson
	Jon A. Olson
	Executive Vice President, Finance and Chief Financial Officer

EX-32.1

Exhibit 32.1

XILINX, INC.

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Xilinx, Inc. (the “Company”) on Form 10-Q for the period ended June 28, 2014 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Moshe N. Gavrielov, President and Chief Executive Officer of the Company, certify, pursuant to Title 18, Chapter 63, Section 1350 of the United States Code, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

(1) The Report fully complies with the requirements of section 13(a) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: July 28, 2014	/s/ Moshe N. Gavrielov
	Moshe N. Gavrielov
	President and Chief Executive Officer

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to Xilinx, Inc. and will be retained by Xilinx, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.

This certification accompanies the Report pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, and shall not, except to the extent required by the Sarbanes-Oxley Act of 2002, be deemed filed by the Company for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended.

EX-32.2

Exhibit 32.2

XILINX, INC.

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Xilinx, Inc. (the “Company”) on Form 10-Q for the period ended June 28, 2014 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Jon A. Olson, Executive Vice President, Finance and Chief Financial Officer of the Company, certify, pursuant to Title 18, Chapter 63, Section 1350 of the United States Code, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

(1) The Report fully complies with the requirements of section 13(a) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: July 28, 2014	/s/ Jon A. Olson
	Jon A. Olson
	Executive Vice President, Finance and Chief Financial Officer

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to Xilinx, Inc. and will be retained by Xilinx, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.

This certification accompanies the Report pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, and shall not, except to the extent required by the Sarbanes-Oxley Act of 2002, be deemed filed by the Company for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended.

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Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	Jun. 28, 2014	Mar. 29, 2014
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Derivative Asset	$ 1,311	$ 1,713
Fair Value, Inputs, Level 1 [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Derivative Asset	0
Fair Value, Inputs, Level 2 [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Derivative Asset	1,311	1,713
Fair Value, Inputs, Level 3 [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Derivative Asset	0
Fair Value, Measurements, Recurring [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	3,511,124	3,607,062
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	637,148	637,959
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	2,853,272	2,948,943
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	20,704	20,160
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | Money Market Funds [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	174,031	213,988
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | financial institution securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	124,986	131,990
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | Non-financial institution securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	120,984	319,970
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | U.S. Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	25,000	69,998
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | Foreign Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	94,992	194,984
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	174,031	213,988
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member] | financial institution securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member] | Non-financial institution securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member] | U.S. Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	25,000	69,998
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member] | Foreign Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member] | Money Market Funds [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
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Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	124,986	131,990
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member] | Non-financial institution securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	120,984	319,970
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member] | U.S. Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member] | Foreign Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	94,992	194,984
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | Fair Value, Inputs, Level 3 [Member] | Money Market Funds [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | Fair Value, Inputs, Level 3 [Member] | financial institution securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | Fair Value, Inputs, Level 3 [Member] | Non-financial institution securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | Fair Value, Inputs, Level 3 [Member] | U.S. Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Cash And Cash Equivalents [Member] | Fair Value, Inputs, Level 3 [Member] | Foreign Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | financial institution securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	129,983	234,916
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Non-financial institution securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	317,015	226,828
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Municipal Bonds [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	23,495	15,780
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | U.S. Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
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Assets and Liabilities Measured at Fair Value on a Recurring Basis
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Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	40,703	20,216
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Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	57,707
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Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
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Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 1 [Member] | Municipal Bonds [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 1 [Member] | U.S. Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	433,169	349,023
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 1 [Member] | Foreign Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 1 [Member] | Mortgage-Backed Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 1 [Member] | Debt Mutual Fund [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 1 [Member] | Bank Loans [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 2 [Member] | financial institution securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	129,983	234,916
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 2 [Member] | Non-financial institution securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	317,015	226,828
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 2 [Member] | Municipal Bonds [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	23,495	15,780
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 2 [Member] | U.S. Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	99,634	89,422
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 2 [Member] | Foreign Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	315,898	159,951
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 2 [Member] | Mortgage-Backed Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	442,571	387,508
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 2 [Member] | Debt Mutual Fund [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	40,703	20,216
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 2 [Member] | Bank Loans [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	57,707
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 3 [Member] | financial institution securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 3 [Member] | Non-financial institution securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 3 [Member] | Municipal Bonds [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 3 [Member] | U.S. Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 3 [Member] | Foreign Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 3 [Member] | Mortgage-Backed Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 3 [Member] | Debt Mutual Fund [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Short-Term Investments [Member] | Fair Value, Inputs, Level 3 [Member] | Bank Loans [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Non-financial institution securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	188,007	209,274
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Student loan auction rate securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	20,704	20,160
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Municipal Bonds [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	15,346	15,986
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | U.S. Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	36,899	41,076
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Mortgage-Backed Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	789,964	847,581
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Debt Mutual Fund [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	58,725	56,698
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 1 [Member] | Non-financial institution securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 1 [Member] | Student loan auction rate securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 1 [Member] | Municipal Bonds [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 1 [Member] | U.S. Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	4,948	4,950
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 1 [Member] | Mortgage-Backed Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 1 [Member] | Debt Mutual Fund [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 2 [Member] | Non-financial institution securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	188,007	209,274
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 2 [Member] | Student loan auction rate securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 2 [Member] | Municipal Bonds [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	15,346	15,986
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 2 [Member] | U.S. Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	31,951	36,126
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 2 [Member] | Mortgage-Backed Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	789,964	847,581
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 2 [Member] | Debt Mutual Fund [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	58,725	56,698
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 3 [Member] | Non-financial institution securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 3 [Member] | Student loan auction rate securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	20,704	20,160
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 3 [Member] | Municipal Bonds [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 3 [Member] | U.S. Government and Agency Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 3 [Member] | Mortgage-Backed Securities [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] | Long-Term Investments [Member] | Fair Value, Inputs, Level 3 [Member] | Debt Mutual Fund [Member]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Total assets measured at fair value	$ 0	$ 0

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Stock-Based Compensation Plans Stock-Based Compensation Plans (Details 3) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Jun. 28, 2014	Mar. 29, 2014
Summary Of Restricted Stock Unit Activity and Related Information
Number of Shares, Beginning Balance	6,901	5,996
Number of Shares, Granted	403	3,297
Number of Shares, Vested	78	2,066
Number of Shares, Forfeited/Cancelled	69	326
Number of Shares, Ending Balance	7,157	6,901
Weighted-Average Grant-Date Fair Value, Beginning Balance	$ 35.08	$ 30.83
Weighted-Average Grant-Date Fair Value, Vested	$ 31.56	$ 29.25
Weighted-Average Grant-Date Fair Value, Forfeited/Cancelled	$ 34.09	$ 32.28
Weighted-Average Grant-Date Fair Value, Ending Balance	$ 35.45	$ 35.08

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Derivative Financial Instruments (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 28, 2014	Mar. 29, 2014
Prepaid expenses and other current assets
Derivative Instruments located on Condensed Consolidated Balance sheet
Asset Derivatives, Fair Value	$ 1,986	$ 2,648
Other accrued liabilities
Derivative Instruments located on Condensed Consolidated Balance sheet
Liability Derivatives, Fair Value	$ 675	$ 935

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Subsequent Events (Details) (USD $)	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Subsequent Events [Abstract]
Common Stock, Dividends, Per Share, Declared	$ 0.29	$ 0.25

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Stock-Based Compensation Plans (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Mar. 29, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, Employee Stock Purchase Plans		0
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense	$ 2.0	$ 1.5
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 11.1	$ 12.8
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-Average Grant-Date Fair Value, Granted	$ 40.69	$ 34.23	$ 38.90
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Available for Grant	9,700,000
Equity Plan Two Thousand Seven [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Available for Grant	14,700,000

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Financial Instruments (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Investments, All Other Investments [Abstract]
Proceeds from Sale of Available-for-sale Securities	$ 59,581	$ 95,139
Information on sale of available-for-sale securities
Gross realized gains on sale of available-for-sale securities	837	1,101
Gross realized losses on sale of available-for-sale securities	(167)	(994)
Net realized gains (losses) on sale of available-for-sale securities	670	107
Amortization of premiums on available-for-sale securities	$ 6,233	$ 7,159

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Debt and Credit Facility (Tables)

3 Months Ended

Jun. 28, 2014

Two And Six Two Five Percent Senior Convertible Debentures [Member] | Two And Six Two Five Percent Senior Convertible Debentures [Member]

Schedule of Debt Instruments [Line Items]

Carrying values of liability and equity components of debentures

The carrying values of the liability and equity components of the 2017 Convertible Notes are reflected in the Company’s condensed consolidated balance sheets as follows:

(In thousands)	June 28, 2014			March 29, 2014
Liability component:
Principal amount of the 2017 Convertible Notes	$	600,000		$	600,000
Unamortized discount of liability component	(45,337		)	(49,223		)
Hedge accounting adjustment – sale of interest rate swap	13,101			14,224
Net carrying value of the 2017 Convertible Notes	$	567,764		$	565,001
Equity component (including temporary equity) – net carrying value	$	66,415		$	66,415

Interest Expense Related to Debentures [Table Text Block]

Interest expense related to the 2017 Convertible Notes was included in interest and other expense, net on the condensed consolidated statements of income as follows:

	Three Months Ended
(In thousands)	June 28, 2014		June 29, 2013
Contractual coupon interest	$	3,938	$	3,938
Amortization of debt issuance costs	362		362
Amortization of debt discount, net	2,763		2,763
Total interest expense related to the 2017 Convertible Notes	$	7,063	$	7,063

2019 and 2021 Notes Payable [Member]

Schedule of Debt Instruments [Line Items]

Schedule of Long-term Debt Instruments [Table Text Block]

The following table summarizes the carrying value of the 2019 and 2021 Notes as of June 28, 2014 and March 29, 2014:

(In thousands)	June 28, 2014			March 29, 2014
Principal amount of the 2019 Notes	$	500,000		$	500,000
Unamortized discount of the 2019 Notes	(2,449		)	(2,574		)
Principal amount of the 2021 Notes	500,000			500,000
Unamortized discount of the 2021 Notes	(3,441		)	(3,556		)
Total carrying value	$	994,110		$	993,870

Interest Expense Related to Debentures [Table Text Block]

Interest expense related to the 2019 and 2021 Notes was included in interest and other expense, net on the condensed consolidated statements of income as follows:

	Three Months Ended
(In thousands)	June 28, 2014		June 29, 2013
Contractual coupon interest	$	6,406	$	—
Amortization of debt issuance costs	156		—
Amortization of debt discount, net	240		—
Total interest expense related to the 2019 and 2021 Notes	$	6,802	$	—

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Net Income Per Common Share Net Income Per Common Share (Details 2) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Earnings Per Share [Abstract]
Net income	$ 173,611	$ 157,023
Weighted Average Number of Shares Outstanding, Basic	267,648	264,153
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	4,568	5,015
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities and Warrants	9,363	4,878
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities	0	6,245
Weighted Average Number of Shares Outstanding, Diluted	281,579	280,291
Earnings Per Share, Basic	$ 0.65	$ 0.59
Earnings Per Share, Diluted	$ 0.62	$ 0.56

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Subsequent Events (Notes)

3 Months Ended

Jun. 28, 2014

Subsequent Events [Abstract]

Subsequent Events [Text Block]

Subsequent Events

On July 21, 2014, the Company’s Board of Directors declared a cash dividend of $0.29 per common share for the second quarter of fiscal 2015. The dividend is payable on August 27, 2014 to stockholders of record on August 6, 2014.

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Derivative Financial Instruments (Details Textual)	3 Months Ended
	Jun. 28, 2014
Derivative [Line Items]
Hedging Program number of years	2 years
Maturity of Foreign Currency Derivatives	May 31, 2016

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Fair Value Measurements (Details Textual) (USD $)	Jun. 28, 2014	Mar. 29, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Noncurrent	$ 1,109,645,000	$ 1,190,775,000	[1]
Available-for-sale Securities	3,509,813,000	3,605,349,000
Two And One Two Five Percent 2019 Senior Debentures [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of debentures	501,700,000
Three Point Zero Percent 2021 Senior Debentures [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of debentures	505,900,000
Auction Rate Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Noncurrent	20,704,000	20,160,000
Two And Six Two Five Percent Senior Convertible Debentures [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of debentures	$ 1,000,000,000

[1] Derived from audited financial statements

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Goodwill and Acquisition-Related Intangibles (Tables)

3 Months Ended

Jun. 28, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Gross and net amounts of goodwill and of acquisition-related intangibles

As of June 28, 2014 and March 29, 2014, the gross and net amounts of goodwill and of acquisition-related intangibles for all acquisitions were as follows:

							Weighted-Average
(In thousands)	June 28, 2014			March 29, 2014			Amortization Life
Goodwill	$	159,296		$	159,296
Core technology, gross	91,860			91,860			5.7 years
Less accumulated amortization	(65,612		)	(63,267		)
Core technology, net	26,248			28,593
Other intangibles, gross	46,716			46,716			2.7 years
Less accumulated amortization	(46,515		)	(46,442		)
Other intangibles, net	201			274
Total acquisition-related intangibles, gross	138,576			138,576
Less accumulated amortization	(112,127		)	(109,709		)
Total acquisition-related intangibles, net	$	26,449		$	28,867

Schedule of expected annual amortization expense for acquisition-related intangibles

Based on the carrying value of acquisition-related intangibles recorded as of June 28, 2014, and assuming no subsequent impairment of the underlying assets, the annual amortization expense for acquisition-related intangibles is expected to be as follows:

Fiscal	(In thousands)
2015 (remaining nine months)	$	7,120
2016	8,935
2017	7,131
2018	2,660
2019	603
Total	$	26,449

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Stock-Based Compensation Plans Stock-Based Compensation Plans (Details 1) (Restricted Stock Units (RSUs) [Member])	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Restricted Stock Units (RSUs) [Member]
Weighted average assumptions in estimation of fair value of stock options
Risk-free interest rate	0.90%	0.50%
Dividend yield	2.50%	2.50%

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Commitments (Details Textual) (USD $)	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Loss Contingencies [Line Items]
Lease Expiration Date	Oct. 31, 2021
Aggregate future rental income to be received	$ 3,800,000
Rent expense, net of rental income	911,000	766,000
Other commitments	115,700,000
Non-cancelable license obligations	$ 21,800,000
Software and Maintenance License Obligations Expiration Date	Dec. 31, 2016
Minimum [Member]
Loss Contingencies [Line Items]
Purchase Commitments, Period for Payment	3 months
Maximum [Member]
Loss Contingencies [Line Items]
Purchase Commitments, Period for Payment	6 months

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Debt and Credit Facility (Details 2) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Mar. 29, 2014
Short-term Debt [Line Items]
Amortization of Debt Discount (Premium)	$ 3,003,000	$ 4,025,000
Two And Six Two Five Percent Senior Convertible Debentures [Member]
Short-term Debt [Line Items]
Maximum number of common shares to be purchased under call option	20.2
Debt Instrument, Convertible, Remaining Discount Amortization Period	2 years 11 months 12 days
Debt Instrument, Face Amount	600,000,000		600,000,000
Debt Instrument, Convertible, Conversion Ratio	33.7391
Debt Instrument, Unamortized Discount	45,337,000		49,223,000
Hedge Accounting Adjustment - Sale Of Interest Rate Swap	13,101,000		14,224,000
Debt Instrument Carrying Amount Of Liability Component	567,764,000
Debt Instrument, Convertible, Carrying Amount of Equity Component	66,415,000		66,415,000
Interest Expense, Debt, Excluding Amortization	3,938,000	3,938,000
Amortization of Financing Costs	362,000	362,000
Amortization of Debt Discount (Premium)	2,763,000	2,763,000
Interest Expense, Debt	7,063,000	7,063,000
Base conversion, block amount of senior convertible debenture	$ 1,000
Warrants, number of shares the holders have the right to purchase	20.2
Class of Warrant or Right, Exercise Price of Warrants or Rights	41.9889
Convertible debt, conversion price	$ 29.64

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Derivative Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Jun. 28, 2014	Mar. 29, 2014
Derivative [Line Items]
Derivative Asset, Notional Amount	$ 151,892	$ 146,573
Singapore Dollar [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	60,052	60,551
Euro [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	48,558	46,062
Indian Rupee [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	20,919	18,631
British Pound [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	12,874	12,056
Japanese Yen [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	$ 9,489	$ 9,273

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Significant Customers and Concentrations of Credit Risk (Notes)

3 Months Ended

Jun. 28, 2014

Significant Customers and Concentrations of Credit Risk [Abstract]

Concentration Risk Disclosure [Text Block]

Significant Customers and Concentrations of Credit Risk

Avnet, Inc. (Avnet), one of the Company’s distributors, distributes the Company’s products worldwide. As of June 28, 2014 and March 29, 2014, Avnet accounted for 63% and 55% of the Company’s total net accounts receivable, respectively. Resale of product through Avnet accounted for 42% and 49% of the Company’s worldwide net revenues in the first quarter of fiscal 2015 and 2014, respectively. The percentage of accounts receivable due from Avnet and the percentage of worldwide net revenues from Avnet are consistent with historical patterns.

Xilinx is subject to concentrations of credit risk primarily in its trade accounts receivable and investments in debt securities to the extent of the amounts recorded on the consolidated balance sheet. The Company attempts to mitigate the concentration of credit risk in its trade receivables through its credit evaluation process, collection terms, distributor sales to diverse end customers and through geographical dispersion of sales. Xilinx generally does not require collateral for receivables from its end customers or from distributors.

No end customer accounted for more than 10% of the Company’s worldwide net revenues for the first quarter of fiscal 2015 and 2014.

The Company mitigates concentrations of credit risk in its investments in debt securities by currently investing more than 82% of its portfolio in AA or higher grade securities as rated by Standard & Poor’s or Moody’s Investors Service. The Company’s methods to arrive at investment decisions are not solely based on the rating agencies’ credit ratings. Xilinx also performs additional credit due diligence and conducts regular portfolio credit reviews, including a review of counterparty credit risk related to the Company’s forward currency exchange contracts. Additionally, Xilinx limits its investments in the debt securities of a single issuer based upon the issuer’s credit rating and attempts to further mitigate credit risk by diversifying risk across geographies and type of issuer.

As of June 28, 2014, approximately 35% of the portfolio consisted of mortgage-backed securities. All of the mortgage-backed securities in the investment portfolio were issued by U.S. government-sponsored enterprises and agencies and are rated AA+ by Standard & Poor’s and AAA by Moody’s Investors Service.

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Common Stock Repurchase Program (Details) (USD $)	1 Months Ended	3 Months Ended
	Aug. 31, 2012	Jun. 28, 2014	Jun. 29, 2013
Accelerated Share Repurchases [Line Items]
Treasury shares		0
Stock Repurchased During Period, Shares		(2,100,000)
Payments for Repurchase of Common Stock		$ 101,016,000	$ 0
Repurchase Program 2012 [Member]
Accelerated Share Repurchases [Line Items]
Amount authorized for common stock repurchase	750,000,000.0
Stock Repurchased and Retired During Period, Value		352,700,000
Total amount available for future repurchases		$ 397,300,000
Stock Repurchased and Retired During Period, Shares			0

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Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Jun. 28, 2014	Mar. 29, 2014
Available-for-sale securities
Amortized Cost	$ 3,499,144	$ 3,606,739
Available-for-sale Securities, Gross Unrealized Gains (Instant)	21,598	16,763
Available-for-sale Securities, Gross Unrealized Losses (Instant)	(10,929)	(18,153)
Available-for-sale Securities, Noncurrent	1,109,645	1,190,775	[1]
Estimated Fair Value	3,509,813	3,605,349
Money Market Funds [Member]
Available-for-sale securities
Amortized Cost	174,031	213,988
Available-for-sale Securities, Gross Unrealized Gains (Instant)	0	0
Available-for-sale Securities, Gross Unrealized Losses (Instant)	0	0
Estimated Fair Value	174,031	213,988
financial institution securities [Member]
Available-for-sale securities
Amortized Cost	254,969	366,906
Available-for-sale Securities, Gross Unrealized Gains (Instant)	0	0
Available-for-sale Securities, Gross Unrealized Losses (Instant)	0	0
Estimated Fair Value	254,969	366,906
Non-financial institution securities [Member]
Available-for-sale securities
Amortized Cost	621,880	753,888
Available-for-sale Securities, Gross Unrealized Gains (Instant)	4,470	3,428
Available-for-sale Securities, Gross Unrealized Losses (Instant)	(344)	(1,244)
Estimated Fair Value	626,006	756,072
Auction Rate Securities [Member]
Available-for-sale securities
Amortized Cost	21,500	21,500
Available-for-sale Securities, Gross Unrealized Gains (Instant)	0	0
Available-for-sale Securities, Gross Unrealized Losses (Instant)	(796)	(1,340)
Available-for-sale Securities, Noncurrent	20,704	20,160
Municipal Bonds [Member]
Available-for-sale securities
Amortized Cost	38,164	31,367
Available-for-sale Securities, Gross Unrealized Gains (Instant)	820	604
Available-for-sale Securities, Gross Unrealized Losses (Instant)	(143)	(205)
Estimated Fair Value	38,841	31,766
U.S. Government and Agency Securities [Member]
Available-for-sale securities
Amortized Cost	593,637	548,568
Available-for-sale Securities, Gross Unrealized Gains (Instant)	1,145	1,135
Available-for-sale Securities, Gross Unrealized Losses (Instant)	(80)	(184)
Estimated Fair Value	594,702	549,519
Foreign Government and Agency Securities [Member]
Available-for-sale securities
Amortized Cost	410,896	354,935
Available-for-sale Securities, Gross Unrealized Gains (Instant)	0	0
Available-for-sale Securities, Gross Unrealized Losses (Instant)	(6)	0
Estimated Fair Value	410,890	354,935
Mortgage-Backed Securities [Member]
Available-for-sale securities
Amortized Cost	1,225,050	1,234,237
Available-for-sale Securities, Gross Unrealized Gains (Instant)	14,355	11,380
Available-for-sale Securities, Gross Unrealized Losses (Instant)	(6,870)	(10,528)
Estimated Fair Value	1,232,535	1,235,089
Debt Mutual Fund [Member]
Available-for-sale securities
Amortized Cost	101,350	81,350
Available-for-sale Securities, Gross Unrealized Gains (Instant)	703	216
Available-for-sale Securities, Gross Unrealized Losses (Instant)	(2,625)	(4,652)
Estimated Fair Value	99,428	76,914
Bank Loans [Member]
Available-for-sale securities
Amortized Cost	57,667	0
Available-for-sale Securities, Gross Unrealized Gains (Instant)	105	0
Available-for-sale Securities, Gross Unrealized Losses (Instant)	(65)	0
Estimated Fair Value	$ 57,707	$ 0

[1] Derived from audited financial statements

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Derivative Financial Instruments (Tables)

3 Months Ended

Jun. 28, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Forward currency exchange contracts outstanding

As of June 28, 2014 and March 29, 2014, the Company had the following outstanding forward currency exchange contracts (in notional amount), which were derivative financial instruments:

(In thousands and U.S. dollars)	June 28, 2014		March 29, 2014
Singapore Dollar	$	60,052	$	60,551
Euro	48,558		46,062
Indian Rupee	20,919		18,631
British Pound	12,874		12,056
Japanese Yen	9,489		9,273
	$	151,892	$	146,573

Derivative Instruments Located on Condensed Consolidated Balance Sheet

The Company had the following derivative instruments as of June 28, 2014 and March 29, 2014, located on the condensed consolidated balance sheet, utilized for risk management purposes detailed above:

	Foreign Exchange Contracts
	Asset Derivatives			Liability Derivatives
(In thousands)	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
June 28, 2014	Prepaid expenses and other current assets	$	1,986	Other accrued liabilities	$	675
March 29, 2014	Prepaid expenses and other current assets	$	2,648	Other accrued liabilities	$	935

Effect Of Derivative Instruments On Condensed Consolidated Statements Of Income

The following table summarizes the effect of derivative instruments on the condensed consolidated statements of income for first quarter of fiscal 2015 and 2014:

	Three Months Ended
(In thousands)	June 28, 2014			June 29, 2013
Amount of losses recognized in other comprehensive income on derivative (effective portion of cash flow hedging)	$	(265	)	$	(802	)
Amount of (gains) losses reclassified from accumulated other comprehensive income into income (effective portion) *	$	807		$	(706	)
Amount of gains (losses) recorded (ineffective portion) *	$	30		$	(18	)

* Recorded in Interest and Other Expense location within the condensed consolidated statements of income.

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Financial Instruments (Tables)

3 Months Ended

Jun. 28, 2014

Investments, All Other Investments [Abstract]

Available-for-sale securities

The following is a summary of cash equivalents and available-for-sale securities as of the end of the periods presented:

	June 28, 2014									March 29, 2014
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Money market funds	$	174,031	$	—	$	—		$	174,031	$	213,988	$	—	$	—		$	213,988
Financial institution
securities	254,969		—		—			254,969		366,906		—		—			366,906
Non-financial institution
securities	621,880		4,470		(344		)	626,006		753,888		3,428		(1,244		)	756,072
Auction rate securities	21,500		—		(796		)	20,704		21,500		—		(1,340		)	20,160
Municipal bonds	38,164		820		(143		)	38,841		31,367		604		(205		)	31,766
U.S. government and
agency securities	593,637		1,145		(80		)	594,702		548,568		1,135		(184		)	549,519
Foreign government and
agency securities	410,896		—		(6		)	410,890		354,935		—		—			354,935
Mortgage-backed securities	1,225,050		14,355		(6,870		)	1,232,535		1,234,237		11,380		(10,528		)	1,235,089
Debt mutual funds	101,350		703		(2,625		)	99,428		81,350		216		(4,652		)	76,914
Bank loans	57,667		105		(65		)	57,707		—		—		—			—
	$	3,499,144	$	21,598	$	(10,929	)	$	3,509,813	$	3,606,739	$	16,763	$	(18,153	)	$	3,605,349

Fair values and gross unrealized losses of the investments

The following tables show the fair values and gross unrealized losses of the Company’s investments, aggregated by investment category, for individual securities that have been in a continuous unrealized loss position for the length of time specified, as of June 28, 2014 and March 29, 2014:

	June 28, 2014
	Less Than 12 Months					12 Months or Greater					Total
(In thousands)	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Non-financial institution securities	$	32,613	$	(84	)	$	19,902	$	(260	)	$	52,515	$	(344	)
Auction rate securities	—		—			20,704		(796		)	20,704		(796		)
Municipal bonds	4,026		(6		)	4,603		(137		)	8,629		(143		)
U.S. government and
agency securities	250,910		(31		)	4,369		(49		)	255,279		(80		)
Foreign government and
agency securities	124,968		(6		)	—		—			124,968		(6		)
Mortgage-backed securities	234,724		(2,223		)	274,363		(4,647		)	509,087		(6,870		)
Debt mutual fund	—		—			58,724		(2,625		)	58,724		(2,625		)
Bank loans	30,097		(65		)	—		—			30,097		(65		)
	$	677,338	$	(2,415	)	$	382,665	$	(8,514	)	$	1,060,003	$	(10,929	)

	March 29, 2014
	Less Than 12 Months					12 Months or Greater					Total
(In thousands)	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Non-financial institution securities	$	112,470	$	(1,167	)	$	4,488	$	(77	)	$	116,958	$	(1,244	)
Auction rate securities	—		—			20,160		(1,340		)	20,160		(1,340		)
Municipal bonds	5,917		(166		)	1,743		(39		)	7,660		(205		)
U.S. government and
agency securities	118,125		(184		)	—		—			118,125		(184		)
Mortgage-backed securities	457,903		(7,225		)	132,376		(3,303		)	590,279		(10,528		)
Debt mutual fund	56,698		(4,652		)	—		—			56,698		$	(4,652	)
	$	751,113	$	(13,394	)	$	158,767	$	(4,759	)	$	909,880	$	(18,153	)

Amortized cost and estimated fair value of marketable debt securities

	June 28, 2014
(In thousands)	Amortized Cost		Estimated Fair Value
Due in one year or less	$	1,464	$	1,464
Due after one year through five years	474		478
Due after five years through ten years	287		289
Due after ten years	999		1,005
	$	3,224	$	3,236

Information on sale of available-for-sale securities

Certain information related to available-for-sale securities is as follows:

	Three Months Ended
(In thousands)	June 28, 2014			June 29, 2013
Proceeds from sale of available-for-sale securities	$	59,581		$	95,139
Gross realized gains on sale of available-for-sale securities	$	837		$	1,101
Gross realized losses on sale of available-for-sale securities	(167		)	(994		)
Net realized gains (losses) on sale of available-for-sale securities	$	670		$	107
Amortization of premiums on available-for-sale securities	$	6,233		$	7,159

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Net Income Per Common Share (Details) (USD $)	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Schedule of Debt Instruments [Line Items]
Antidilutive shares excluded from computation of dilutive net income per common share	206,000	22,700,000
Two And Six Two Five Percent Senior Convertible Debentures [Member]
Schedule of Debt Instruments [Line Items]
Maximum number of common shares to be purchased under call option	20,200,000
Price Per Share To Be Purchase By Company Under Call Option	$ 29.64

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Financial Instruments (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 28, 2014	Mar. 29, 2014
Fair values and gross unrealized losses of the investments
Available-for-Sale Securities, Less Than 12 Months, Fair Value	$ 677,338	$ 751,113
Available-for-Sale Securities, Less Than 12 Months, Gross Unrealized Losses	(2,415)	(13,394)
Available-for-Sale Securities, 12 Months or Greater, Fair Value	382,665	158,767
Available-for-Sale Securities, 12 Months or Greater, Gross Unrealized Losses	(8,514)	(4,759)
Available-for-Sale Securities, Fair Value, Total	1,060,003	909,880
Available-for-Sale Securities, Gross Unrealized Losses, Total	(10,929)	(18,153)
Non-financial institution securities [Member]
Fair values and gross unrealized losses of the investments
Available-for-Sale Securities, Less Than 12 Months, Fair Value	32,613	112,470
Available-for-Sale Securities, Less Than 12 Months, Gross Unrealized Losses	(84)	(1,167)
Available-for-Sale Securities, 12 Months or Greater, Fair Value	19,902	4,488
Available-for-Sale Securities, 12 Months or Greater, Gross Unrealized Losses	(260)	(77)
Available-for-Sale Securities, Fair Value, Total	52,515	116,958
Available-for-Sale Securities, Gross Unrealized Losses, Total	(344)	(1,244)
Auction Rate Securities [Member]
Fair values and gross unrealized losses of the investments
Available-for-Sale Securities, Less Than 12 Months, Fair Value	0	0
Available-for-Sale Securities, Less Than 12 Months, Gross Unrealized Losses	0	0
Available-for-Sale Securities, 12 Months or Greater, Fair Value	20,704	20,160
Available-for-Sale Securities, 12 Months or Greater, Gross Unrealized Losses	(796)	(1,340)
Available-for-Sale Securities, Fair Value, Total	20,704	20,160
Available-for-Sale Securities, Gross Unrealized Losses, Total	(796)	(1,340)
Municipal Bonds [Member]
Fair values and gross unrealized losses of the investments
Available-for-Sale Securities, Less Than 12 Months, Fair Value	4,026	5,917
Available-for-Sale Securities, Less Than 12 Months, Gross Unrealized Losses	(6)	(166)
Available-for-Sale Securities, 12 Months or Greater, Fair Value	4,603	1,743
Available-for-Sale Securities, 12 Months or Greater, Gross Unrealized Losses	(137)	(39)
Available-for-Sale Securities, Fair Value, Total	8,629	7,660
Available-for-Sale Securities, Gross Unrealized Losses, Total	(143)	(205)
U.S. Government and Agency Securities [Member]
Fair values and gross unrealized losses of the investments
Available-for-Sale Securities, Less Than 12 Months, Fair Value	250,910	118,125
Available-for-Sale Securities, Less Than 12 Months, Gross Unrealized Losses	(31)	(184)
Available-for-Sale Securities, 12 Months or Greater, Fair Value	4,369	0
Available-for-Sale Securities, 12 Months or Greater, Gross Unrealized Losses	(49)	0
Available-for-Sale Securities, Fair Value, Total	255,279	118,125
Available-for-Sale Securities, Gross Unrealized Losses, Total	(80)	(184)
Foreign Government Debt Securities [Member]
Fair values and gross unrealized losses of the investments
Available-for-Sale Securities, Less Than 12 Months, Fair Value	124,968
Available-for-Sale Securities, Less Than 12 Months, Gross Unrealized Losses	(6)
Available-for-Sale Securities, 12 Months or Greater, Fair Value	0
Available-for-Sale Securities, 12 Months or Greater, Gross Unrealized Losses	0
Available-for-Sale Securities, Fair Value, Total	124,968
Available-for-Sale Securities, Gross Unrealized Losses, Total	(6)
Mortgage-Backed Securities [Member]
Fair values and gross unrealized losses of the investments
Available-for-Sale Securities, Less Than 12 Months, Fair Value	234,724	457,903
Available-for-Sale Securities, Less Than 12 Months, Gross Unrealized Losses	(2,223)	(7,225)
Available-for-Sale Securities, 12 Months or Greater, Fair Value	274,363	132,376
Available-for-Sale Securities, 12 Months or Greater, Gross Unrealized Losses	(4,647)	(3,303)
Available-for-Sale Securities, Fair Value, Total	509,087	590,279
Available-for-Sale Securities, Gross Unrealized Losses, Total	(6,870)	(10,528)
Debt Mutual Fund [Member]
Fair values and gross unrealized losses of the investments
Available-for-Sale Securities, Less Than 12 Months, Fair Value	0	56,698
Available-for-Sale Securities, Less Than 12 Months, Gross Unrealized Losses	0	(4,652)
Available-for-Sale Securities, 12 Months or Greater, Fair Value	58,724	0
Available-for-Sale Securities, 12 Months or Greater, Gross Unrealized Losses	(2,625)	0
Available-for-Sale Securities, Fair Value, Total	58,724	56,698
Available-for-Sale Securities, Gross Unrealized Losses, Total	(2,625)	(4,652)
Bank Loans [Member]
Fair values and gross unrealized losses of the investments
Available-for-Sale Securities, Less Than 12 Months, Fair Value	30,097
Available-for-Sale Securities, Less Than 12 Months, Gross Unrealized Losses	(65)
Available-for-Sale Securities, 12 Months or Greater, Fair Value	0
Available-for-Sale Securities, 12 Months or Greater, Gross Unrealized Losses	0
Available-for-Sale Securities, Fair Value, Total	30,097
Available-for-Sale Securities, Gross Unrealized Losses, Total	$ (65)

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Stock-Based Compensation Plans (Tables)

3 Months Ended

Jun. 28, 2014

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value

The per share weighted-average fair value of RSUs granted during the first quarter of fiscal 2015 was $40.69 ($34.23 for the first quarter of fiscal 2014), which were calculated based on estimates at the date of grant using the following weighted-average assumptions:

	Three Months Ended
	June 28, 2014		June 29, 2013
Risk-free interest rate	0.9	%	0.5	%
Dividend yield	2.5	%	2.5	%

Stock-Based compensation expense

The following table summarizes stock-based compensation expense related to stock awards granted under the Company’s equity incentive plans and rights to acquire stock granted under the Company’s Employee Stock Purchase Plan (ESPP):

	Three Months Ended
(In thousands)	June 28, 2014		June 29, 2013
Stock-based compensation included in:
Cost of revenues	$	1,992	$	1,804
Research and development	10,505		10,219
Selling, general and administrative	9,609		8,931
	$	22,106	$	20,954

Employee Stock Option [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of option plans activity

A summary of the Company’s option plans activity and related information is as follows:

	Options Outstanding
(Shares in thousands)	Number of Shares		Weighted-Average Exercise Price Per Share
March 30, 2013	12,753		$	28.01
Granted	8		$	41.08
Exercised	(7,421	)	$	29.95
Forfeited/cancelled/expired	(60	)	$	35.61
March 29, 2014	5,280		$	25.22
Granted	—		$	—
Exercised	(538	)	$	27.57
Forfeited/cancelled/expired	(7	)	$	38.24
June 28, 2014	4,735		$	24.93
Options exercisable at:
June 28, 2014	4,528		$	24.61
March 29, 2014	4,935		$	24.87

Restricted Stock Units (RSUs) [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of restricted stock unit activity and related information

A summary of the Company’s RSU activity and related information is as follows:

	RSUs Outstanding
(Shares in thousands)	Number of Shares		Weighted-Average Grant-Date Fair Value Per Share
March 30, 2013	5,996		$	30.83
Granted	3,297		$	38.90
Vested	(2,066	)	$	29.25
Cancelled	(326	)	$	32.28
March 29, 2014	6,901		$	35.08
Granted	403		$	40.69
Vested	(78	)	$	31.56
Cancelled	(69	)	$	34.09
June 28, 2014	7,157		$	35.45

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Net Income Per Common Share Net Income Per Common Share (Tables)

3 Months Ended

Jun. 28, 2014

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table summarizes the computation of basic and diluted net income per common share:

(In thousands, except per share amounts)	June 28, 2014		June 29, 2013
Net income available to common stockholders	$	173,611	$	157,023
Weighted average common shares outstanding-basic	267,648		264,153
Dilutive effect of employee equity incentive plans	4,568		5,015
Dilutive effect of 2017 Convertible Notes and warrants	9,363		4,878
Dilutive effect of 2037 Convertible Notes	—		6,245
Weighted average common shares outstanding-diluted	281,579		280,291
Basic earnings per common share	$	0.65	$	0.59
Diluted earnings per common share	$	0.62	$	0.56

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Recent Accounting Changes and Accounting Pronouncements

3 Months Ended

Jun. 28, 2014

Accounting Changes and Error Corrections [Abstract]

Accounting Changes and Error Corrections [Text Block]

Recent Accounting Changes and Accounting Pronouncements

In April 2014, the Financial Accounting Standards Board (FASB) issued the authoritative guidance that outlines a new global revenue recognition standard that replaces virtually all existing US GAAP and IFRS guidance on contracts with customers and the related other assets and deferred costs. The guidance provides a five-step process for recognizing revenue that depicts the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The standard also requires expanded qualitative and quantitative disclosures relating to the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. The standard is effective for Xilinx beginning in fiscal year 2018, with no option to early adopt under US GAAP. The new standard is required to be applied retrospectively to each prior reporting period presented or retrospectively with the cumulative effect of initially applying it recognized at the date of initial application. The Company is currently evaluating the impact of this new guidance on its consolidated financial statements, including selection of the transition method.

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Inventories Inventories (Tables)

3 Months Ended

Jun. 28, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

(In thousands)	June 28, 2014		March 29, 2014
Raw materials	$	17,039	$	15,306
Work-in-process	206,897		192,067
Finished goods	32,855		26,626
	$	256,791	$	233,999

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Fair Value Measurements (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 28, 2014		Jun. 29, 2013
Changes in Level 3 instruments measured at fair value on a recurring basis
Balance as of beginning of period	$ 20,160		$ 27,610
Gains (losses) included in interest and other expense, net	0		(75)
Gains (losses) included in other comprehensive income (loss)	544		846
Sales and settlements, net	0	[1]	(300)	[1]
Balance as of end of period	$ 20,704		$ 28,081

[1] During the first quarter of fiscal 2014, the Company redeemed $300 thousand of student loan auction rate securities, respectively, for cash at par value. There was no redemption during the first quarter of fiscal 2015.

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Stock-Based Compensation Plans Stock-Based Compensation Plans (Details 2) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Jun. 28, 2014	Mar. 29, 2014
Summary of options activity
Number of Shares, Beginning Balance	5,280	12,753
Number of Shares, Granted	0	8
Number of Shares, Exercised	538	7,421
Number of Shares, Forfeited/Cancelled/Expired	7	60
Number of Shares, Ending Balance	4,735	5,280
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	4,528	4,935
Weighted-Average Exercise Price Per Share, Beginning Balance	$ 25.22	$ 28.01
Weighted-Average Exercise Price Per Share, Granted	$ 0.00	$ 41.08
Weighted-Average Exercise Price Per Share, Exercised	$ 27.57	$ 29.95
Weighted-Average Exercise Price Per Share, Forfeited/Cancelled/Expired	$ 38.24	$ 35.61
Weighted-Average Exercise Price Per Share, Ending Balance Balance	$ 24.93	$ 25.22
Weighted-Average Exercise Price Per Share, Options Exercisable	$ 24.61	$ 24.87

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Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Net revenues	$ 612,633	$ 578,955
Cost of revenues	189,189	179,700
Gross margin	423,444	399,255
Operating expenses:
Research and development	122,013	111,541
Selling, general and administrative	92,513	92,387
Amortization of acquisition-related intangibles	2,418	2,418
Total operating expenses	216,944	206,346
Operating income	206,500	192,909
Interest and other expense, net	6,222	9,930
Income before income taxes	200,278	182,979
Provision for income taxes	26,667	25,956
Net income	$ 173,611	$ 157,023
Net income per common share:
Basic (in dollars per share)	$ 0.65	$ 0.59
Diluted (in dollars per share)	$ 0.62	$ 0.56
Common Stock, Dividends, Per Share, Declared	$ 0.29	$ 0.25
Shares used in per share calculations:
Basic (in shares)	267,648	264,153
Diluted (in shares)	281,579	280,291

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Financial Instruments (Details 2) (USD $)	Jun. 28, 2014
Investments, All Other Investments [Abstract]
Marketable debt securities with contractual maturities greater than one year but classified as short-term investment	$ 762,400,000
Amortized cost and estimated fair value of marketable debt securities
Amortized Cost Due in one year or less	1,464,000
Amortized Cost Due after one year through five years	474,000
Amortized Cost Due after five years through ten years	287,000
Amortized Cost Due after ten years	999,000
Amortized Cost Total	3,224,000
Estimated Fair Value Due in one year or less	1,464,000
Estimated Fair Value Due after one year through five years	478,000
Estimated Fair Value Due after five years through ten years	289,000
Estimated Fair Value Due after ten years	1,005,000
Estimated Fair Value Total	$ 3,236,000

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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 28, 2014		Jun. 29, 2013
Cash flows from operating activities:
Net income	$ 173,611		$ 157,023
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	13,468		14,033
Amortization	5,205		4,885
Stock-based compensation	22,106		20,954
Net gain on sale of available-for-sale securities	(670)		(107)
Amortization of debt discounts	3,003		4,025
Provision for deferred income taxes	5,789		22,736
Excess tax benefit from stock-based compensation	(2,660)		(2,021)
Others	0		53
Changes in assets and liabilities:
Accounts receivable, net	(13,501)		(38,978)
Inventories	(22,879)		14,373
Prepaid expenses and other current assets	(4,751)		(1,050)
Other assets	(5,188)		(5,020)
Accounts payable	(50,123)		(3,525)
Accrued liabilities	(12,389)		11,209
Income taxes payable	4,939		(58,961)
Deferred income on shipments to distributors	14,159		4,580
Net cash provided by operating activities	130,119		144,209
Cash flows from investing activities:
Purchases of available-for-sale securities	(874,367)		(1,213,461)
Proceeds from sale and maturity of available-for-sale securities	570,043		961,538
Purchases of property, plant and equipment	(9,116)		(11,301)
Other investing activities	(3,742)		36,921
Net cash used in investing activities	(317,182)		(226,303)
Cash flows from financing activities:
Payments for Repurchase of Common Stock	101,016		0
Proceeds from issuance of common stock through various stock plans, net	14,195		31,936
Payment of dividends to stockholders	(77,421)		(66,007)
Excess tax benefit from stock-based compensation	2,660		2,021
Net cash used in financing activities	(161,582)		(32,050)
Net decrease in cash and cash equivalents	(348,645)		(114,144)
Cash and cash equivalents at beginning of period	973,677	[1]	623,558
Cash and cash equivalents at end of period	625,032		509,414
Supplemental disclosure of cash flow information:
Interest paid	7,875		7,875
Income taxes paid, net	$ 15,856		$ 62,236

[1] Derived from audited financial statements

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Debt and Credit Facility (Details) (USD $)	3 Months Ended				3 Months Ended					3 Months Ended
	Jun. 28, 2014	Mar. 29, 2014		Mar. 29, 2014 Two And Six Two Five Percent Senior Convertible Debentures [Member]	Jun. 29, 2013 Two And One Two Five Percent 2019 Senior Debentures [Member]	Jun. 28, 2014 Three Point Zero Percent 2021 Senior Debentures [Member]	Mar. 29, 2014 Three Point Zero Percent 2021 Senior Debentures [Member]	Jun. 28, 2014 Two And One Two Five Percent 2019 Senior Debentures [Member]	Mar. 29, 2014 Two And One Two Five Percent 2019 Senior Debentures [Member]	Jun. 28, 2014 Two And Six Two Five Percent Senior Convertible Debentures [Member]	Mar. 29, 2014 Two And Six Two Five Percent Senior Convertible Debentures [Member]
Debt Instrument [Line Items]
Price Per Share To Be Purchase By Company Under Call Option										$ 29.64
Debt Instrument, Face Amount						$ 500,000,000	$ 500,000,000	$ 500,000,000	$ 500,000,000	$ 600,000,000	$ 600,000,000
Debt Instrument, Unamortized Discount						(3,441,000)	(3,556,000)	(2,449,000)	(2,574,000)	(45,337,000)	(49,223,000)
Debt Instrument Carrying Amount Of Liability Component				565,001,000						567,764,000
2019 Debt instrument, Maturity Date	Mar. 15, 2019
2021 Debt instrument, Maturity Date	Mar. 15, 2021
Equity component - net carrying value										66,415,000	66,415,000
Discount Percent of Par						99.281%		99.477%
Proceeds from Issuance of Long-term Debt					990,100,000
Long-term Debt, Excluding Current Maturities	$ 994,110,000	$ 993,870,000	[1]

[1] Derived from audited financial statements

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Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Jun. 28, 2014

Equity [Abstract]

Components of accumulated other comprehensive income (loss)

The components of accumulated other comprehensive income (loss) are as follows:

(In thousands)	June 28, 2014			March 29, 2014
Accumulated unrealized gains (losses) on available-for-sale securities, net of tax	$	6,679		$	(889	)
Accumulated unrealized gains on hedging transactions, net of tax	533			798
Accumulated cumulative translation adjustment, net of tax	(286		)	(457		)
Accumulated other comprehensive income (loss)	$	6,926		$	(548	)

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Income Taxes (Details Textual) (USD $)	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Income Tax Disclosure [Abstract]
Income Tax Expense (Benefit)	$ 26,667,000	$ 25,956,000
Effective Income Tax Rate Reconciliation, Percent	13.00%	14.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%
Unrecognized Tax Benefits	26,400,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 11,000,000

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Product Warranty and Indemnification (Notes)

3 Months Ended

Jun. 28, 2014

Product Warranties Disclosures [Abstract]

Product Warranty Disclosure [Text Block]

Product Warranty and Indemnification

The Company generally sells products with a limited warranty for product quality. The Company provides an accrual for known product issues if a loss is probable and can be reasonably estimated. As of the end of the first quarter of fiscal 2015 and the end of fiscal 2014, the accrual balance of the product warranty liability was immaterial.

The Company offers, subject to certain terms and conditions, to indemnify customers and distributors for costs and damages awarded against these parties in the event the Company’s hardware products are found to infringe third-party intellectual property rights, including patents, copyrights or trademarks, and to compensate certain customers for limited specified costs they actually incur in the event our hardware products experience epidemic failure.  To a lesser extent, the Company may from time-to-time offer limited indemnification with respect to its software products.  The terms and conditions of these indemnity obligations are limited by contract, which obligations are typically perpetual from the effective date of the agreement. The Company has historically received only a limited number of requests for indemnification under these provisions and has not made any significant payments pursuant to these provisions. The Company cannot estimate the maximum amount of potential future payments, if any, that the Company may be required to make as a result of these obligations due to the limited history of indemnification claims and the unique facts and circumstances that are likely to be involved in each particular claim and indemnification provision. However, there can be no assurances that the Company will not incur any financial liabilities in the future as a result of these obligations.

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Commitments (Tables)

3 Months Ended

Jun. 28, 2014

Commitments and Contingencies Disclosure [Abstract]

Future minimum lease payments under non-cancelable operating leases

Approximate future minimum lease payments under non-cancelable operating leases are as follows:

Fiscal	(In thousands)
2015 (remaining nine months)	$	4,514
2016	4,019
2017	2,335
2018	2,102
2019	1,701
Thereafter	3,625
Total	$	18,296

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Goodwill and Acquisition-Related Intangibles

3 Months Ended

Jun. 28, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Acquisition-Related Intangibles

Goodwill and Acquisition-Related Intangibles

As of June 28, 2014 and March 29, 2014, the gross and net amounts of goodwill and of acquisition-related intangibles for all acquisitions were as follows:

							Weighted-Average
(In thousands)	June 28, 2014			March 29, 2014			Amortization Life
Goodwill	$	159,296		$	159,296
Core technology, gross	91,860			91,860			5.7 years
Less accumulated amortization	(65,612		)	(63,267		)
Core technology, net	26,248			28,593
Other intangibles, gross	46,716			46,716			2.7 years
Less accumulated amortization	(46,515		)	(46,442		)
Other intangibles, net	201			274
Total acquisition-related intangibles, gross	138,576			138,576
Less accumulated amortization	(112,127		)	(109,709		)
Total acquisition-related intangibles, net	$	26,449		$	28,867

Amortization expense for acquisition-related intangibles for the three months ended June 28, 2014 and June 29, 2013 was $2.4 million and $2.4 million , respectively. Based on the carrying value of acquisition-related intangibles recorded as of June 28, 2014, and assuming no subsequent impairment of the underlying assets, the annual amortization expense for acquisition-related intangibles is expected to be as follows:

Fiscal	(In thousands)
2015 (remaining nine months)	$	7,120
2016	8,935
2017	7,131
2018	2,660
2019	603
Total	$	26,449

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Goodwill and Acquisition-Related Intangibles (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 28, 2014	Mar. 29, 2014
Gross and net amounts of goodwill and of acquisition-related intangibles
Goodwill	$ 159,296	$ 159,296	[1]
Total acquisition-related intangibles, gross	138,576	138,576
Less accumulated amortization	(112,127)	(109,709)
Total	26,449	28,867
Core Technology [Member]
Gross and net amounts of goodwill and of acquisition-related intangibles
Total acquisition-related intangibles, gross	91,860	91,860
Less accumulated amortization	(65,612)	(63,267)
Total	26,248	28,593
Weighted-Average Amortization Life	5 years 8 months 18 days
Other Intangibles [Member]
Gross and net amounts of goodwill and of acquisition-related intangibles
Total acquisition-related intangibles, gross	46,716	46,716
Less accumulated amortization	(46,515)	(46,442)
Total	$ 201	$ 274
Weighted-Average Amortization Life	2 years 8 months 12 days

[1] Derived from audited financial statements

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Basis of Presentation

3 Months Ended

Jun. 28, 2014

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]

Basis of Presentation

The accompanying interim condensed consolidated financial statements have been prepared in conformity with United States (U.S.) generally accepted accounting principles (GAAP) for interim financial information and the instructions to Form 10-Q and Article 10 of Regulation S-X, and should be read in conjunction with the Xilinx, Inc. (Xilinx or the Company) consolidated financial statements filed with the U.S. Securities and Exchange Commission (SEC) on Form 10-K for the fiscal year ended March 29, 2014. The interim financial statements are unaudited, but reflect all adjustments which are, in the opinion of management, of a normal, recurring nature necessary to provide a fair statement of results for the interim periods presented. The results of operations for the interim periods shown in this report are not necessarily indicative of the results that may be expected for the fiscal year ending March 28, 2015 or any future period.

The Company uses a 52- to 53-week fiscal year ending on the Saturday nearest March 31. Fiscal 2015 and 2014 are 52-week year ending on March 28, 2015 and March 29, 2014, respectively. The quarters ended June 28, 2014 and June 29, 2013 each included 13 weeks.

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Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 173,611	$ 157,023
Other comprehensive income (loss), net of tax:
Change in net unrealized gains (losses) on available-for-sale securities	7,959	(16,924)
Reclassification adjustment for gains on available-for-sale securities	(391)	(322)
Net change in unrealized gains (losses) on hedging transactions	542	(1,508)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	(807)	706
Cumulative translation adjustment, net	171	(694)
Other comprehensive income (loss)	7,474	(18,742)
Total comprehensive income	$ 181,085	$ 138,281

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Common Stock Repurchase Program

3 Months Ended

Jun. 28, 2014

Stockholders' Equity Note [Abstract]

Common Stock and Debentures Repurchase Program [Text Block]

Common Stock Repurchase Program

The Board of Directors has approved stock repurchase programs enabling the Company to repurchase its common stock in the open market or through negotiated transactions with independent financial institutions. The last approval was the 2012 Repurchase program, which was authorized by the Board in August 2012 to repurchase $750.0 million of the Company’s common stock. The 2012 Repurchase Program has no stated expiration date.

Through June 28, 2014, the Company has used $352.7 million of the $750.0 million authorized under the 2012 Repurchase Program, leaving $397.3 million available for future repurchases. The Company’s current policy is to retire all repurchased shares, and consequently, no treasury shares were held as of June 28, 2014 and March 29, 2014.

During the first quarter of 2015, the Company repurchased 2.1 million shares of common stock in the open market for a total of $100.0 million. There was no repurchase of common stock during the first quarter of fiscal 2014.

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Document and Entity Information	3 Months Ended
	Jun. 28, 2014	Jul. 18, 2014
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 28, 2014
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1
Entity Registrant Name	XILINX INC
Entity Central Index Key	0000743988
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Current Fiscal Year End Date	--03-28
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		268,481,840

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Interest and Other Expense, Net

3 Months Ended

Jun. 28, 2014

Other Income and Expenses [Abstract]

Interest and Other Expense, Net

Interest and Other Expense, Net

The components of interest and other expense, net are as follows:

	Three Months Ended
(In thousands)	June 28, 2014			June 29, 2013
Interest income	$	8,501		$	5,603
Interest expense	(13,865		)	(13,859		)
Other expense, net	(858		)	(1,674		)
	$	(6,222	)	$	(9,930	)

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Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 28, 2014	Mar. 29, 2014
Current assets:
Cash and cash equivalents	$ 625,032	$ 973,677	[1]
Short-term investments	1,860,175	1,483,644	[1]
Accounts receivable, net	281,335	267,833	[1]
Inventories	256,791	233,999	[1]
Deferred tax assets	77,325	56,166	[1]
Prepaid expenses and other current assets	68,041	51,828	[1]
Total current assets	3,168,699	3,067,147	[1]
Property, plant and equipment, at cost:	817,844	810,030	[1]
Accumulated depreciation and amortization	(467,108)	(454,941)	[1]
Net property, plant and equipment	350,736	355,089	[1]
Long-term investments	1,109,645	1,190,775	[1]
Goodwill	159,296	159,296	[1]
Acquisition-related intangibles, net	26,449	28,867	[1]
Other assets	239,394	236,175	[1]
Total Assets	5,054,219	5,037,349	[1]
Current liabilities:
Accounts payable	99,572	149,695	[1]
Accrued payroll and related liabilities	147,272	157,373	[1]
Income taxes payable	17,578	12,936	[1]
Deferred income on shipments to distributors	69,258	55,099	[1]
Other accrued liabilities	32,404	49,256	[1]
Long-term Debt, Current Maturities	567,764	565,001	[1]
Total current liabilities	933,848	989,360	[1]
Long-term Debt, Excluding Current Maturities	994,110	993,870	[1]
Deferred tax liabilities	283,492	253,433	[1]
Long-term income taxes payable	11,581	11,470	[1]
Other long-term liabilities	1,588	1,535	[1]
Commitments and contingencies	0	0	[1]
Temporary Equity, Carrying Amount, Attributable to Parent	32,236	34,999	[1]
Stockholders' equity:
Preferred stock, $.01 par value (none issued)	0	0	[1]
Common stock, $.01 par value	2,671	2,686	[1]
Additional paid-in capital	788,016	805,073	[1]
Retained earnings	1,999,751	1,945,471	[1]
Accumulated other comprehensive income (loss)	6,926	(548)	[1]
Total stockholders’ equity	2,797,364	2,752,682	[1]
Total Liabilities, Temporary Equity and Stockholders’ Equity	$ 5,054,219	$ 5,037,349	[1]

[1] Derived from audited financial statements

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Derivative Financial Instruments

3 Months Ended

Jun. 28, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

Derivative Financial Instruments

The Company’s primary objective for holding derivative financial instruments is to manage foreign currency exchange rate risk and interest rate risk. As a result of the use of derivative financial instruments, the Company is exposed to the risk that counterparties to derivative contracts may fail to meet their contractual obligations. The Company manages counterparty credit risk in derivative contracts by reviewing counterparty creditworthiness on a regular basis, establishing collateral requirement and limiting exposure to any single counterparty. The right of set-off that exists with certain transactions enables the Company to net amounts due to and from the counterparty, reducing the maximum loss from credit risk in the event of counterparty default.

As of June 28, 2014 and March 29, 2014, the Company had the following outstanding forward currency exchange contracts (in notional amount), which were derivative financial instruments:

(In thousands and U.S. dollars)	June 28, 2014		March 29, 2014
Singapore Dollar	$	60,052	$	60,551
Euro	48,558		46,062
Indian Rupee	20,919		18,631
British Pound	12,874		12,056
Japanese Yen	9,489		9,273
	$	151,892	$	146,573

As part of the Company’s strategy to reduce volatility of operating expenses due to foreign exchange rate fluctuations, the Company employs a hedging program with a forward outlook of up to two years for major foreign-currency-denominated operating expenses. The outstanding forward currency exchange contracts expire at various dates through May 2016. The net unrealized gains, which approximate the fair market value of the outstanding forward currency exchange contracts, are expected to be realized into net income within the next two years.

As of June 28, 2014, all of the forward foreign currency exchange contracts were designated and qualified as cash flow hedges and the effective portion of the gain or loss on the forward contracts was reported as a component of other comprehensive income (loss) and reclassified into net income in the same period during which the hedged transaction affects earnings. The estimated amount of such gains or losses as of June 28, 2014 that is expected to be reclassified into earnings was not material. The ineffective portion of the gains or losses on the forward contracts was included in the net income for all periods presented.

The Company may enter into forward foreign currency exchange contracts to hedge firm commitments such as acquisitions and capital expenditures. Gains and losses on foreign currency forward contracts that are designated as hedges of anticipated transactions, for which a firm commitment has been attained and the hedged relationship has been effective, are deferred and included in income or expenses in the same period that the underlying transaction is settled. Gains and losses on any instruments not meeting the above criteria are recognized in income or expenses in the consolidated statements of income as they are incurred.

The Company had the following derivative instruments as of June 28, 2014 and March 29, 2014, located on the condensed consolidated balance sheet, utilized for risk management purposes detailed above:

	Foreign Exchange Contracts
	Asset Derivatives			Liability Derivatives
(In thousands)	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
June 28, 2014	Prepaid expenses and other current assets	$	1,986	Other accrued liabilities	$	675
March 29, 2014	Prepaid expenses and other current assets	$	2,648	Other accrued liabilities	$	935

The Company does not offset or net the fair value amounts of derivative financial instruments in its condensed consolidated balance sheets. The potential effect of rights of set-off associated with the derivative financial instruments was not material to the Company's condensed consolidated balance sheet for all periods presented.

The following table summarizes the effect of derivative instruments on the condensed consolidated statements of income for first quarter of fiscal 2015 and 2014:

	Three Months Ended
(In thousands)	June 28, 2014			June 29, 2013
Amount of losses recognized in other comprehensive income on derivative (effective portion of cash flow hedging)	$	(265	)	$	(802	)
Amount of (gains) losses reclassified from accumulated other comprehensive income into income (effective portion) *	$	807		$	(706	)
Amount of gains (losses) recorded (ineffective portion) *	$	30		$	(18	)

* Recorded in Interest and Other Expense location within the condensed consolidated statements of income.

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Financial Instruments

3 Months Ended

Jun. 28, 2014

Investments, All Other Investments [Abstract]

Financial Instruments

Financial Instruments

The following is a summary of cash equivalents and available-for-sale securities as of the end of the periods presented:

	June 28, 2014									March 29, 2014
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Money market funds	$	174,031	$	—	$	—		$	174,031	$	213,988	$	—	$	—		$	213,988
Financial institution
securities	254,969		—		—			254,969		366,906		—		—			366,906
Non-financial institution
securities	621,880		4,470		(344		)	626,006		753,888		3,428		(1,244		)	756,072
Auction rate securities	21,500		—		(796		)	20,704		21,500		—		(1,340		)	20,160
Municipal bonds	38,164		820		(143		)	38,841		31,367		604		(205		)	31,766
U.S. government and
agency securities	593,637		1,145		(80		)	594,702		548,568		1,135		(184		)	549,519
Foreign government and
agency securities	410,896		—		(6		)	410,890		354,935		—		—			354,935
Mortgage-backed securities	1,225,050		14,355		(6,870		)	1,232,535		1,234,237		11,380		(10,528		)	1,235,089
Debt mutual funds	101,350		703		(2,625		)	99,428		81,350		216		(4,652		)	76,914
Bank loans	57,667		105		(65		)	57,707		—		—		—			—
	$	3,499,144	$	21,598	$	(10,929	)	$	3,509,813	$	3,606,739	$	16,763	$	(18,153	)	$	3,605,349

The following tables show the fair values and gross unrealized losses of the Company’s investments, aggregated by investment category, for individual securities that have been in a continuous unrealized loss position for the length of time specified, as of June 28, 2014 and March 29, 2014:

	June 28, 2014
	Less Than 12 Months					12 Months or Greater					Total
(In thousands)	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Non-financial institution securities	$	32,613	$	(84	)	$	19,902	$	(260	)	$	52,515	$	(344	)
Auction rate securities	—		—			20,704		(796		)	20,704		(796		)
Municipal bonds	4,026		(6		)	4,603		(137		)	8,629		(143		)
U.S. government and
agency securities	250,910		(31		)	4,369		(49		)	255,279		(80		)
Foreign government and
agency securities	124,968		(6		)	—		—			124,968		(6		)
Mortgage-backed securities	234,724		(2,223		)	274,363		(4,647		)	509,087		(6,870		)
Debt mutual fund	—		—			58,724		(2,625		)	58,724		(2,625		)
Bank loans	30,097		(65		)	—		—			30,097		(65		)
	$	677,338	$	(2,415	)	$	382,665	$	(8,514	)	$	1,060,003	$	(10,929	)

	March 29, 2014
	Less Than 12 Months					12 Months or Greater					Total
(In thousands)	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Non-financial institution securities	$	112,470	$	(1,167	)	$	4,488	$	(77	)	$	116,958	$	(1,244	)
Auction rate securities	—		—			20,160		(1,340		)	20,160		(1,340		)
Municipal bonds	5,917		(166		)	1,743		(39		)	7,660		(205		)
U.S. government and
agency securities	118,125		(184		)	—		—			118,125		(184		)
Mortgage-backed securities	457,903		(7,225		)	132,376		(3,303		)	590,279		(10,528		)
Debt mutual fund	56,698		(4,652		)	—		—			56,698		$	(4,652	)
	$	751,113	$	(13,394	)	$	158,767	$	(4,759	)	$	909,880	$	(18,153	)

As of June 28, 2014, the gross unrealized losses that had been outstanding for less than twelve months were primarily related to mortgage-backed securities due to the general rising of the interest-rate environment, although the percentage of such losses to the total estimated fair value of the mortgage-backed securities was relatively insignificant. The gross unrealized losses that had been outstanding for more than twelve months were primarily related to mortgage-backed securities and debt mutual fund, which were primarily due to the general rising of the interest-rate environment, and failed auction rate securities, which were due to adverse conditions in the global credit markets during the past five years.

The Company reviewed the investment portfolio and determined that the gross unrealized losses on these investments as of June 28, 2014 and March 29, 2014 were temporary in nature as evidenced by the fluctuations in the gross unrealized losses within the investment categories. These investments are highly rated by the credit rating agencies and there have been no defaults on any of these securities, and we have received interest payments as they become due. Additionally, in the past several years a portion of the Company's investment in the auction rate securities and the mortgage-backed securities were redeemed or prepaid by the debtors at par. Furthermore, the aggregate of individual unrealized losses that had been outstanding for twelve months or more was not significant as of June 28, 2014 and March 29, 2014. The Company neither intends to sell these investments nor concludes that it is more-likely-than-not that it will have to sell them until recovery of their carrying values. The Company also believes that it will be able to collect both principal and interest amounts due to the Company at maturity, given the high credit quality of these investments and any related underlying collateral.

The amortized cost and estimated fair value of marketable debt securities (financial institution securities, non-financial institution securities, auction rate securities, municipal bonds, U.S. and foreign government and agency securities and mortgage-backed securities), by contractual maturity, are shown below. Actual maturities may differ from contractual maturities because issuers may have the right to call or prepay obligations without call or prepayment penalties.

	June 28, 2014
(In thousands)	Amortized Cost		Estimated Fair Value
Due in one year or less	$	1,464	$	1,464
Due after one year through five years	474		478
Due after five years through ten years	287		289
Due after ten years	999		1,005
	$	3,224	$	3,236

As of June 28, 2014, $762.4 million of marketable debt securities with contractual maturities of greater than one year were classified as short-term investments. Additionally, the above table did not include investments in money market and mutual funds because these funds do not have specific contractual maturities.

Certain information related to available-for-sale securities is as follows:

	Three Months Ended
(In thousands)	June 28, 2014			June 29, 2013
Proceeds from sale of available-for-sale securities	$	59,581		$	95,139
Gross realized gains on sale of available-for-sale securities	$	837		$	1,101
Gross realized losses on sale of available-for-sale securities	(167		)	(994		)
Net realized gains (losses) on sale of available-for-sale securities	$	670		$	107
Amortization of premiums on available-for-sale securities	$	6,233		$	7,159

The cost of securities matured or sold is based on the specific identification method.

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Contingencies

3 Months Ended

Jun. 28, 2014

Loss Contingency [Abstract]

Contingencies

Contingencies

Patent Litigation

On February 14, 2011, the Company filed a complaint for declaratory judgment of patent non-infringement and invalidity against Intellectual Ventures in the U.S. District Court for the Northern District of California. On September 30, 2011, the Company amended its complaint in this case to eliminate certain defendants and patents from the action (Xilinx, Inc. v. Intellectual Ventures I LLC and Intellectual Ventures II LLC, Case No CV11-0671) (California Case I). The lawsuit pertained to one patent and sought judgment of non-infringement by Xilinx and judgment that the patent is invalid and unenforceable, as well as costs and attorneys’ fees.

On February 15, 2011, Intellectual Ventures added the Company as a defendant in its complaint for patent infringement previously filed against Altera Corporation (Altera), Microsemi Corporation (Microsemi) and Lattice Semiconductor Corporation (Lattice) in the U.S. District Court for the District of Delaware (Intellectual Ventures I LLC and Intellectual Ventures II LLC v. Altera Corporation, Microsemi Corporation, Lattice Semiconductor Corporation and Xilinx, Inc., Case No. 10-CV-1065) (Delaware Case). The lawsuit pertained to five patents, four of which the Company was alleged to be infringing. Intellectual Ventures sought unspecified damages, interest and attorneys’ fees. Altera, Microsemi and Lattice were previously dismissed from the case with prejudice.

On October 17, 2011, Xilinx filed a complaint for patent non-infringement and invalidity and violation of California Business and Professions Code Section 17200 in the U.S. District Court for the Northern District of California against Intellectual Ventures and related entities as well as additional defendants (Xilinx, Inc. v. Intellectual Ventures, LLC. Intellectual Ventures Management, LLC, Detelle Relay KG, LLC, Roldan Block NY LLC, Latrosse Technologies LLC, TR Technologies Foundation LLC, Taichi Holdings, LLC, Noregin Assets N.V., LLC and Intellectual Venture Funding LLC Case No CV-04407) (California Case II). By order dated January 25, 2012, the Court granted with leave to amend defendants' motion to dismiss our claim for violation of California Business and Professions Code section 17200. The Company amended its complaint to remove the claim for violation of California Business and Professions Code section 17200. The remainder of the lawsuit pertained to two patents and sought judgments of non-infringement by Xilinx and judgments that the patents are invalid and unenforceable, as well as costs and attorneys’ fees.

On May 1, 2014, the Company entered into a confidential settlement agreement with Intellectual Ventures. Under the terms of the settlement, Intellectual Ventures agreed to dismiss with prejudice all outstanding patent litigation against Xilinx. On May 2, 2014, the U.S. District Court for the Northern District of California dismissed California Case I and California Case II and the U.S. District Court for the District of Delaware dismissed the Delaware Case.

On November 5, 2012, a patent infringement lawsuit was filed by Conversant Intellectual Property Management Inc. (Conversant), formerly known as Mosaid Technologies, against the Company in the U.S. District Court for the Eastern District of Texas (Mosaid Technologies Inc. v. Xilinx, Inc., Case No. 6:12-CV-00847). The lawsuit pertained to five patents and Conversant sought unspecified damages, costs, fees, royalties and injunctive relief.

On May 30, 2014, the Company entered into a confidential settlement agreement with Conversant. Under the settlement, Conversant agreed to dismiss with prejudice all outstanding patent litigation against Xilinx. On June 19, 2014, the U.S. District Court for the Eastern District of Texas dismissed the suit.

On July 17, 2014, a patent infringement lawsuit was filed by PLL Technologies, Inc. (PTI) against the Company and three additional named defendants in the U.S. District Court for the District of Delaware (PLL Technologies, Inc. v. Xilinx, Inc., Case No. 1:14-CV-00945).  The lawsuit pertains to one patent and PTI seeks unspecified damages, interest, costs, and fees.  The Company is unable to estimate its range of possible loss, if any, in this matter at this time.

Other Matters

Except as stated above, there are no pending legal proceedings of a material nature to which the Company is a party or of which any of its property is the subject.

From time to time, the Company is involved in various disputes and litigation matters that arise in the ordinary course of its business. These include disputes and lawsuits related to intellectual property, mergers and acquisitions, licensing, contract law, tax, regulatory, distribution arrangements, employee relations and other matters. Periodically, the Company reviews the status of each matter and assesses its potential financial exposure. If the potential loss from any claim or legal proceeding is considered probable and a range of possible losses can be estimated, the Company accrues a liability for the estimated loss. Legal proceedings are subject to uncertainties, and the outcomes are difficult to predict. Because of such uncertainties, accruals are based only on the best information available at the time. As additional information becomes available, the Company continues to reassess the potential liability related to pending claims and litigation and may revise estimates.

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Accumulated Other Comprehensive Income

3 Months Ended

Jun. 28, 2014

Equity [Abstract]

Accumulated Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Income (Loss)

Comprehensive income (loss) is defined as the change in equity of a company during a period from transactions and other events and circumstances from non-owner sources. The components of accumulated other comprehensive income (loss) are as follows:

(In thousands)	June 28, 2014			March 29, 2014
Accumulated unrealized gains (losses) on available-for-sale securities, net of tax	$	6,679		$	(889	)
Accumulated unrealized gains on hedging transactions, net of tax	533			798
Accumulated cumulative translation adjustment, net of tax	(286		)	(457		)
Accumulated other comprehensive income (loss)	$	6,926		$	(548	)

The related tax effects of other comprehensive income (loss) were not material for all periods presented.

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Inventories

3 Months Ended

Jun. 28, 2014

Inventory Disclosure [Abstract]

Inventory Disclosure [Text Block]

Inventories

Inventories are stated at the lower of actual cost (determined using the first-in, first-out method), or market (estimated net realizable value) and are comprised of the following:

(In thousands)	June 28, 2014		March 29, 2014
Raw materials	$	17,039	$	15,306
Work-in-process	206,897		192,067
Finished goods	32,855		26,626
	$	256,791	$	233,999

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Debt and Credit Facility (Details 1) (USD $)	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014 2019 and 2021 Notes Payable [Member]	Jun. 29, 2013 2019 and 2021 Notes Payable [Member]	Jun. 28, 2014 Two And One Two Five Percent 2019 Senior Debentures [Member]	Mar. 29, 2014 Two And One Two Five Percent 2019 Senior Debentures [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount					$ 500,000,000	$ 500,000,000
Interest Expense, Debt, Excluding Amortization			6,406,000	0
Debt Instrument, Unamortized Discount					2,449,000	2,574,000
Amortization of Financing Costs			156,000	0
Amortization of Debt Discount (Premium)	3,003,000	4,025,000	240,000	0
Interest Expense, Debt			6,802,000	0
Proceeds from Issuance of Long-term Debt				990,100,000
Line of Credit Facility, Expiration Date	Dec. 31, 2016
Line of Credit Facility, Maximum Borrowing Capacity	250,000,000
Line of Credit Facility, Average Outstanding Amount	$ 0

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Stock-Based Compensation Plans

3 Months Ended

Jun. 28, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-Based Compensation Plans

Stock-Based Compensation Plans

The Company’s equity incentive plans are broad-based, long-term retention programs that cover employees, consultants and non-employee directors of the Company. These plans are intended to attract and retain talented employees, consultants and non-employee directors and to provide such persons with a proprietary interest in the Company.

Stock-Based Compensation

The following table summarizes stock-based compensation expense related to stock awards granted under the Company’s equity incentive plans and rights to acquire stock granted under the Company’s Employee Stock Purchase Plan (ESPP):

	Three Months Ended
(In thousands)	June 28, 2014		June 29, 2013
Stock-based compensation included in:
Cost of revenues	$	1,992	$	1,804
Research and development	10,505		10,219
Selling, general and administrative	9,609		8,931
	$	22,106	$	20,954

During the first quarter of fiscal 2015 and 2014, the tax benefits realized for the tax deduction from option exercises and other awards credited to additional paid-in capital were $2.0 million and $1.5 million, respectively.

The fair values of stock options and stock purchase plan rights under the Company’s equity incentive plans and ESPP were estimated as of the grant date using the Black-Scholes option pricing model. The Company’s expected stock price volatility assumption for stock options is estimated using implied volatility of the Company’s traded options. The expected life of options granted is based on the historical exercise activity as well as the expected disposition of all options outstanding. The expected life of options granted also considers the actual contractual term. The Company's stock-based compensation expense relating to options granted during the first quarter of fiscal 2015 and 2014 were not material.

The estimated fair values of restricted stock unit (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. The per share weighted-average fair value of RSUs granted during the first quarter of fiscal 2015 was $40.69 ($34.23 for the first quarter of fiscal 2014), which were calculated based on estimates at the date of grant using the following weighted-average assumptions:

	Three Months Ended
	June 28, 2014		June 29, 2013
Risk-free interest rate	0.9	%	0.5	%
Dividend yield	2.5	%	2.5	%

Employee Stock Option Plans

A summary of the Company’s option plans activity and related information is as follows:

	Options Outstanding
(Shares in thousands)	Number of Shares		Weighted-Average Exercise Price Per Share
March 30, 2013	12,753		$	28.01
Granted	8		$	41.08
Exercised	(7,421	)	$	29.95
Forfeited/cancelled/expired	(60	)	$	35.61
March 29, 2014	5,280		$	25.22
Granted	—		$	—
Exercised	(538	)	$	27.57
Forfeited/cancelled/expired	(7	)	$	38.24
June 28, 2014	4,735		$	24.93
Options exercisable at:
June 28, 2014	4,528		$	24.61
March 29, 2014	4,935		$	24.87

The types of awards allowed under the 2007 Equity Incentive Plan (2007 Equity Plan) include incentive stock options, non-qualified stock options, RSUs, restricted stock and stock appreciation rights. To date, the Company has issued a mix of non-qualified stock options and RSUs under the 2007 Equity Plan. As of June 28, 2014, 14.7 million shares remained available for grant under the 2007 Equity Plan.

The total pre-tax intrinsic value of options exercised during the three months ended June 28, 2014 and June 29, 2013 was $11.1 million and $12.8 million, respectively. This intrinsic value represents the difference between the exercise price and the fair market value of the Company’s common stock on the date of exercise.

RSU Awards

A summary of the Company’s RSU activity and related information is as follows:

	RSUs Outstanding
(Shares in thousands)	Number of Shares		Weighted-Average Grant-Date Fair Value Per Share
March 30, 2013	5,996		$	30.83
Granted	3,297		$	38.90
Vested	(2,066	)	$	29.25
Cancelled	(326	)	$	32.28
March 29, 2014	6,901		$	35.08
Granted	403		$	40.69
Vested	(78	)	$	31.56
Cancelled	(69	)	$	34.09
June 28, 2014	7,157		$	35.45

Employee Stock Purchase Plan

Under the Company’s ESPP, no shares were issued during the first quarter of fiscal 2015 or 2014. The next scheduled purchase under the ESPP is in the second quarter of fiscal 2015. As of June 28, 2014, 9.7 million shares were available for future issuance.

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Net Income Per Common Share

3 Months Ended

Jun. 28, 2014

Earnings Per Share [Abstract]

Net Income Per Common Share

Net Income Per Common Share

The computation of basic net income per common share for all periods presented is derived from the information on the condensed consolidated statements of income, and there are no reconciling items in the numerator used to compute diluted net income per common share. The following table summarizes the computation of basic and diluted net income per common share:

(In thousands, except per share amounts)	June 28, 2014		June 29, 2013
Net income available to common stockholders	$	173,611	$	157,023
Weighted average common shares outstanding-basic	267,648		264,153
Dilutive effect of employee equity incentive plans	4,568		5,015
Dilutive effect of 2017 Convertible Notes and warrants	9,363		4,878
Dilutive effect of 2037 Convertible Notes	—		6,245
Weighted average common shares outstanding-diluted	281,579		280,291
Basic earnings per common share	$	0.65	$	0.59
Diluted earnings per common share	$	0.62	$	0.56

The total shares used in the denominator of the diluted net income per common share calculation includes potentially dilutive common equivalent shares outstanding that are not included in basic net income per common share by applying the treasury stock method to the impact of the equity incentive plans and to the incremental shares issuable assuming conversion of the Company's convertible debt and warrants (see "Note 10. Debt and Credit Facility" for more discussion of the Company's debt and warrants).

Outstanding stock options and RSUs under the Company's stock award plans and warrants to purchase approximately 206 thousand and 22.7 million shares, for the first quarter of fiscal 2015 and 2014, respectively, were excluded from diluted net income per common share by applying the treasury stock method, as their inclusion would have been antidilutive. These options, RSUs and warrants could be dilutive in the future if the Company’s average share price increases and is greater than the combined exercise prices and the unamortized fair values of these options, RSUs and warrants.

To hedge against potential dilution upon conversion of the 2017 Convertible Notes, the Company also purchased call options on its common stock from the hedge counterparties. The call options give the Company the right to purchase up to 20.2 million shares of its common stock at $29.64 per share. These call options are not considered for purposes of calculating the total shares outstanding under the basic and diluted net income per share, as their effect would be anti-dilutive. Upon exercise, the call options would serve to neutralize the dilutive effect of the 2017 Convertible Notes and potentially reduce the weighted number of diluted shares used in per share calculations.

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Debt and Credit Facility

3 Months Ended

Jun. 28, 2014

Debt Disclosure [Abstract]

Debt and Credit Facility [Text Block]

Debt and Credit Facility

2017 Convertible Notes

As of June 28, 2014, the Company had $600.0 million principal amount of 2017 Convertible Notes outstanding. The 2017 Convertible Notes are senior in right of payment to the Company’s existing and future unsecured indebtedness that is expressly subordinated in right of payment to the 2017 Convertible Notes, and are ranked equally with all of our other existing and future unsecured senior indebtedness, including the 2019 and 2021 Notes discussed below. The Company may not redeem the 2017 Convertible Notes prior to maturity.

The 2017 Convertible Notes are convertible, subject to certain conditions, into shares of Xilinx common stock at a conversion rate of 33.7391 shares of common stock per $1 thousand principal amount of the 2017 Convertible Notes, representing an effective conversion price of approximately $29.64 per share of common stock. The conversion rate is subject to adjustment for certain events as outlined in the indenture governing the 2017 Convertible Notes, but will not be adjusted for accrued interest. One of the conditions allowing holders of the 2017 Convertible Notes to convert during any fiscal quarter is if the last reported sale price of the Company's common stock for at least 20 trading days during a period of 30 consecutive trading days ending on the last trading day of the preceding fiscal quarter is greater than or equal to 130% of the conversion price on each applicable trading day. This condition was met as of June 28, 2014 and as a result, the 2017 Convertible Notes were convertible at the option of the holders. As of June 28, 2014, the 2017 Convertible Notes were classified as a current liability on the Company's condensed consolidated balance sheet. Additionally, a portion of the equity component attributable to the conversion feature of the 2017 Convertible Notes was classified in temporary stockholders' equity. The amount classified as temporary equity was equal to the difference between the principal amount and carrying value of the 2017 Convertible Notes.

Upon conversion, the Company would pay the holders of the 2017 Convertible Notes cash up to the aggregate principal amount of the 2017 Convertible Notes. If the conversion value exceeds the principal amount, the Company would deliver shares of its common stock in respect to the remainder of its conversion obligation in excess of the aggregate principal amount (conversion spread). Accordingly, there would be no adjustment to the numerator in the net income per common share computation for the cash settled portion of the 2017 Convertible Notes, as that portion of the debt liability will always be settled in cash. The conversion spread will be included in the denominator for the computation of diluted net income per common share, using the treasury stock method.

The carrying values of the liability and equity components of the 2017 Convertible Notes are reflected in the Company’s condensed consolidated balance sheets as follows:

(In thousands)	June 28, 2014			March 29, 2014
Liability component:
Principal amount of the 2017 Convertible Notes	$	600,000		$	600,000
Unamortized discount of liability component	(45,337		)	(49,223		)
Hedge accounting adjustment – sale of interest rate swap	13,101			14,224
Net carrying value of the 2017 Convertible Notes	$	567,764		$	565,001
Equity component (including temporary equity) – net carrying value	$	66,415		$	66,415

The remaining unamortized debt discount, net of the hedge accounting adjustment from the previous sale of the interest rate swap, is being amortized as additional non-cash interest expense over the expected remaining term of the 2017 Convertible Notes. As of June 28, 2014, the remaining term of the 2017 Convertible Notes is 2.9 years.

Interest expense related to the 2017 Convertible Notes was included in interest and other expense, net on the condensed consolidated statements of income as follows:

	Three Months Ended
(In thousands)	June 28, 2014		June 29, 2013
Contractual coupon interest	$	3,938	$	3,938
Amortization of debt issuance costs	362		362
Amortization of debt discount, net	2,763		2,763
Total interest expense related to the 2017 Convertible Notes	$	7,063	$	7,063

To hedge against potential dilution upon conversion of the 2017 Convertible Notes, the Company purchased call options on its common stock from the hedge counterparties. The call options give the Company the right to purchase up to 20.2 million shares of its common stock at $29.64 per share. The call options will terminate upon the earlier of the maturity of the 2017 Convertible Notes or the last day any of the 2017 Convertible Notes remain outstanding. To reduce the hedging cost, under separate transactions the Company sold warrants to the hedge counterparties, which give the hedge counterparties the right to purchase up to 20.2 million shares of the Company’s common stock at $41.99 per share. These warrants expire on a gradual basis over a specified period starting on September 13, 2017.

2019 and 2021 Notes

On March 12, 2014, the Company issued $500.0 million principal amount of 2019 Notes and $500.0 million principal amount of 2021 Notes with maturity dates of March 15, 2019 and March 15, 2021 respectively. The 2019 and 2021 Notes were offered to the public at a discounted price of 99.477% and 99.281% of par, respectively. Interest on the 2019 and 2021 Notes is payable semiannually on March 15 and September 15.

The Company received net proceeds of $990.1 million from issuance of the 2019 and 2021 Notes, after the debt discounts and deduction of debt issuance costs. The debt discounts and issuance costs are amortized to interest expense over the terms of the 2019 and 2021 Notes.

The following table summarizes the carrying value of the 2019 and 2021 Notes as of June 28, 2014 and March 29, 2014:

(In thousands)	June 28, 2014			March 29, 2014
Principal amount of the 2019 Notes	$	500,000		$	500,000
Unamortized discount of the 2019 Notes	(2,449		)	(2,574		)
Principal amount of the 2021 Notes	500,000			500,000
Unamortized discount of the 2021 Notes	(3,441		)	(3,556		)
Total carrying value	$	994,110		$	993,870

Interest expense related to the 2019 and 2021 Notes was included in interest and other expense, net on the condensed consolidated statements of income as follows:

	Three Months Ended
(In thousands)	June 28, 2014		June 29, 2013
Contractual coupon interest	$	6,406	$	—
Amortization of debt issuance costs	156		—
Amortization of debt discount, net	240		—
Total interest expense related to the 2019 and 2021 Notes	$	6,802	$	—

Revolving Credit Facility

On December 7, 2011, the Company entered into a $250.0 million senior unsecured revolving credit facility with a syndicate of banks (expiring in December 2016). Borrowings under the credit facility will bear interest at a benchmark rate plus an applicable margin based upon the Company’s credit rating. In connection with the credit facility, the Company is required to maintain certain financial and nonfinancial covenants. As of June 28, 2014, the Company had made no borrowings under this credit facility and was not in violation of any of the covenants.

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Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	Jun. 28, 2014	Mar. 29, 2014
Components of accumulated other comprehensive income (loss)
Accumulated unrealized gains (losses) on available-for-sale securities, net of tax	$ 6,679	$ (889)
Accumulated unrealized gain (losses) on hedging transactions, net of tax	533	798
Accumulated cumulative translation adjustment, net of tax	(286)	(457)
Accumulated other comprehensive income (loss)	$ 6,926	$ (548)	[1]

[1] Derived from audited financial statements

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Commitments (Details) (USD $) In Thousands, unless otherwise specified	Jun. 28, 2014
Future Minimum Lease Payments Under Non-Cancelable Operating Leases
2015 (remaining nine months)	$ 4,514
2016	4,019
2017	2,335
2018	2,102
2019	1,701
Thereafter	3,625
Total	$ 18,296

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Interest and Other Expense, Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Components of interest and other expense
Interest income	$ 8,501	$ 5,603
Interest expense	(13,865)	(13,859)
Other income (expense), net	(858)	(1,674)
Interest and other expense, net	$ (6,222)	$ (9,930)

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Interest And Other Expense, Net (Tables)

3 Months Ended

Jun. 28, 2014

Other Income and Expenses [Abstract]

Components of interest and other expense, net

The components of interest and other expense, net are as follows:

	Three Months Ended
(In thousands)	June 28, 2014			June 29, 2013
Interest income	$	8,501		$	5,603
Interest expense	(13,865		)	(13,859		)
Other expense, net	(858		)	(1,674		)
	$	(6,222	)	$	(9,930	)

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Stock-Based Compensation Plans (Details) (Employee Stock Purchase Plan [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Stock Based compensation expense
Stock-based compensation effect on income before taxes	$ 22,106	$ 20,954
Cost of Revenues [Member]
Stock Based compensation expense
Stock-based compensation effect on income before taxes	1,992	1,804
Research and Development [Member]
Stock Based compensation expense
Stock-based compensation effect on income before taxes	10,505	10,219
Selling, General and Administrative Expenses [Member]
Stock Based compensation expense
Stock-based compensation effect on income before taxes	$ 9,609	$ 8,931

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Commitments

3 Months Ended

Jun. 28, 2014

Commitments and Contingencies Disclosure [Abstract]

Commitments

Commitments

Xilinx leases some of its facilities and office buildings under non-cancelable operating leases that expire at various dates through October 2021. Additionally, Xilinx entered into a land lease in conjunction with the Company’s building in Singapore, which will expire in November 2035 and the lease cost was settled in an up-front payment in June 2006. Some of the operating leases for facilities and office buildings require payment of operating costs, including property taxes, repairs, maintenance and insurance. Most of the Company’s leases contain renewal options for varying terms. Approximate future minimum lease payments under non-cancelable operating leases are as follows:

Fiscal	(In thousands)
2015 (remaining nine months)	$	4,514
2016	4,019
2017	2,335
2018	2,102
2019	1,701
Thereafter	3,625
Total	$	18,296

Aggregate future rental income to be received, which includes rents from both owned and leased property, totaled $3.8 million as of June 28, 2014. Rent expense, net of rental income, under all operating leases was $911 thousand and $766 thousand for the three months ended June 28, 2014 and June 29, 2013, respectively. Rental income was not material for the first quarter of fiscal 2015 or 2014.

Other commitments as of June 28, 2014 totaled $115.7 million and consisted of purchases of inventory and other non-cancelable purchase obligations related to subcontractors that manufacture silicon wafers and provide assembly and some test services. The Company expects to receive and pay for these materials and services in the next three to six months, as the products meet delivery and quality specifications. As of June 28, 2014, the Company also had $21.8 million of non-cancelable license obligations to providers of electronic design automation software and hardware/software maintenance expiring at various dates through December 2016.

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Derivative Financial Instruments Derivative Financial Instruments (Policies)

3 Months Ended

Jun. 28, 2014

Accounting Policies [Abstract]

Derivatives, Policy [Policy Text Block]

Gains and losses on foreign currency forward contracts that are designated as hedges of anticipated transactions, for which a firm commitment has been attained and the hedged relationship has been effective, are deferred and included in income or expenses in the same period that the underlying transaction is settled. Gains and losses on any instruments not meeting the above criteria are recognized in income or expenses in the consolidated statements of income as they are incurred.

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Derivative Financial Instruments (Details 2) (Cash Flow Hedging [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 28, 2014		Jun. 29, 2013
Foreign Exchange Contracts [Member]
Effect of derivative instruments located on condensed consolidated Statements of Income
Amount of losses recognized in other comprehensive income on derivative (effective portion of cash flow hedging)	$ (265)		$ (802)
Interest And Other Expense, Net [Member]
Effect of derivative instruments located on condensed consolidated Statements of Income
Amount of gains (losses) reclassified from accumulated other comprehensive income into income (effective portion)	(807)	[1]	706	[1]
Amount of gains (losses) recorded (ineffective portion)	$ 30	[1]	$ (18)	[1]

[1] Recorded in Interest and Other Expense location within the condensed consolidated statements of income.

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Fair Value Measurements (Details 2)	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Fair Value Disclosures [Abstract]
Fair Value, Assets and Liabilities Measured on Recurring Basis, Gain (Loss) Included in Earnings, Description	0	-75

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Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 28, 2014	Mar. 29, 2014
Statement of Financial Position [Abstract]
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares issued (none issued)	0	0
Common stock, par value	$ 0.01	$ 0.01

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Fair Value Measurements

3 Months Ended

Jun. 28, 2014

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

The guidance for fair value measurements established by the FASB defines fair value as the exchange price that would be received from selling an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the measurement date. When determining the fair value measurements for assets and liabilities required or permitted to be recorded at fair value, the Company considers the principal or most advantageous market in which Xilinx would transact and also considers assumptions that market participants would use when pricing the asset or liability, such as inherent risk, transfer restrictions and risk of nonperformance.

The Company determines the fair value for marketable debt securities using industry standard pricing services, data providers and other third-party sources and by internally performing valuation testing and analysis. The Company primarily uses a consensus price or weighted-average price for its fair value assessment. The Company determines the consensus price using market prices from a variety of industry standard pricing services, data providers, security master files from large financial institutions and other third party sources and uses those multiple prices as inputs into a distribution-curve-based algorithm to determine the daily market value. The pricing services use multiple inputs to determine market prices, including reportable trades, benchmark yield curves, credit spreads and broker/dealer quotes as well as other industry and economic events. For certain securities with short maturities, such as discount commercial paper and certificates of deposit, the security is accreted from purchase price to face value at maturity. If a subsequent transaction on the same security is observed in the marketplace, the price on the subsequent transaction is used as the current daily market price and the security will be accreted to face value based on the revised price. For certain other securities, such as student loan auction rate securities, the Company performs its own valuation analysis using a discounted cash flow pricing model.

The Company validates the consensus prices by taking random samples from each asset type and corroborating those prices using reported trade activity, benchmark yield curves, binding broker/dealer quotes or other relevant price information. There have not been any changes to the Company’s fair value methodology during the first quarter of fiscal 2015 and the Company did not adjust or override any fair value measurements as of June 28, 2014.

Fair Value Hierarchy

The fair value framework requires the categorization of assets and liabilities into three levels based upon the assumptions (inputs) used to price the assets or liabilities. The guidance for fair value measurements requires that assets and liabilities carried at fair value be classified and disclosed in one of the following categories:

Level 1 — Quoted (unadjusted) prices in active markets for identical assets or liabilities.

The Company’s Level 1 assets consist of U.S. government and agency securities and money market funds.

Level 2 — Observable inputs other than quoted prices included in Level 1, such as quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the asset or liability.

The Company’s Level 2 assets consist of financial institution securities, non-financial institution securities, municipal bonds, U.S. agency securities, foreign government and agency securities, mortgage-backed securities and debt mutual funds. The Company’s Level 2 assets and liabilities also include foreign currency forward contracts and commodity swap contracts.

Level 3 — Unobservable inputs to the valuation methodology that are supported by little or no market activity and that are significant to the measurement of the fair value of the assets or liabilities. Level 3 assets and liabilities include those whose fair value measurements are determined using pricing models, discounted cash flow methodologies or similar valuation techniques, as well as significant management judgment or estimation.

The Company’s Level 3 assets and liabilities include student loan auction rate securities.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

In instances where the inputs used to measure fair value fall into different levels of the fair value hierarchy, the fair value measurement has been determined based on the lowest level input that is significant to the fair value measurement in its entirety. The Company’s assessment of the significance of a particular item to the fair value measurement in its entirety requires judgment, including the consideration of inputs specific to the asset or liability. The following tables present information about the Company’s assets and liabilities measured at fair value on a recurring basis as of June 28, 2014 and March 29, 2014:

	June 28, 2014
(In thousands)	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
Assets
Cash and cash equivalents:
Money market funds	$	174,031	$	—	$	—	$	174,031
Financial institution securities	—		124,986		—		124,986
Non-financial institution securities	—		120,984		—		120,984
U.S. government and agency securities	25,000		—		—		25,000
Foreign government and agency securities	—		94,992		—		94,992
Short-term investments:
Financial institution securities	—		129,983		—		129,983
Non-financial institution securities	—		317,015		—		317,015
Municipal bonds	—		23,495		—		23,495
U.S. government and agency securities	433,169		99,634		—		532,803
Foreign government and agency securities	—		315,898		—		315,898
Mortgage-backed securities	—		442,571		—		442,571
Debt mutual funds	—		40,703		—		40,703
Bank loans	—		57,707		—		57,707
Long-term investments:
Non-financial institution securities	—		188,007		—		188,007
Auction rate securities	—		—		20,704		20,704
Municipal bonds	—		15,346		—		15,346
U.S. government and agency securities	4,948		31,951		—		36,899
Mortgage-backed securities	—		789,964		—		789,964
Debt mutual fund	—		58,725		—		58,725
Derivative financial instruments, net	—		1,311		—		1,311
Total assets measured at fair value	$	637,148	$	2,853,272	$	20,704	$	3,511,124

	March 29, 2014
(In thousands)	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
Assets
Cash and cash equivalents:
Money market funds	$	213,988	$	—	$	—	$	213,988
Financial institution securities	—		131,990		—		131,990
Non-financial institution securities	—		319,970		—		319,970
U.S. government and agency securities	69,998		—		—		69,998
Foreign government and agency securities	—		194,984		—		194,984
Short-term investments:
Financial institution securities	—		234,916		—		234,916
Non-financial institution securities	—		226,828		—		226,828
Municipal Bonds	—		15,780		—		15,780
U.S. government and agency securities	349,023		89,422		—		438,445
Foreign government and agency securities	—		159,951		—		159,951
Mortgage-backed securities	—		387,508		—		387,508
Debt mutual fund	—		20,216		—		20,216
Long-term investments:
Non-financial institution securities	—		209,274		—		209,274
Auction rate securities	—		—		20,160		20,160
Municipal bonds	—		15,986		—		15,986
U.S. government and agency securities	4,950		36,126		—		41,076
Mortgage-backed securities	—		847,581		—		847,581
Debt mutual fund	—		56,698		—		56,698
Derivative financial instruments, net	—		1,713		—		1,713
Total assets measured at fair value	$	637,959	$	2,948,943	$	20,160	$	3,607,062

Changes in Level 3 Instruments Measured at Fair Value on a Recurring Basis

The following table is a reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3):

	Three Months Ended
(In thousands)	June 28, 2014		June 29, 2013
Balance as of beginning of period	$	20,160	$	27,610
Total realized and unrealized gains (losses):
Included in interest and other expense, net	—		(75		)
Included in other comprehensive income	544		846
Sales and settlements, net (1)	—		(300		)
Balance as of end of period	$	20,704	$	28,081

(1) During the first quarter of fiscal 2014, the Company redeemed $300 thousand of student loan auction rate securities, respectively, for cash at par value. There was no redemption during the first quarter of fiscal 2015.

The amount of total losses included in net income attributable to the change in unrealized losses relating to assets and liabilities still held as of the end of the period are summarized as follows:

	Three Months Ended
(In thousands)	June 28, 2014		June 29, 2013
Included in interest and other expense, net	$	—	$	(75	)

As of June 28, 2014, marketable securities measured at fair value using Level 3 inputs were comprised of $20.7 million of student loan auction rate securities. There was no material change to the input assumptions of the pricing model for these student loan auction securities.

The 2037 Convertible Notes, which were fully redeemed on March 12, 2014 (see "Note 10. Debt and Credit Facility"), included embedded features that qualify as an embedded derivative, and was separately accounted for as a discount on the 2037 Convertible Notes. Its fair value was established at the inception of the 2037 Convertible Notes. Prior to the redemption, each quarter, the change in the fair value of the embedded derivative, if any, was recorded in the consolidated statements of income. The Company used a derivative valuation model to derive the value of the embedded derivative. Key inputs into this valuation model were the Company’s current stock price, risk-free interest rates, the stock dividend yield, the stock volatility and the 2037 Convertible Notes’ credit spread over London Interbank Offered Rate. The first three inputs were based on observable market data and were considered Level 2 inputs while the last two inputs required management judgment and were Level 3 inputs.

Financial Instruments Not Recorded at Fair Value on a Recurring Basis

The Company’s 2017 Convertible Notes, 2019 Notes and 2021 Notes are measured at fair value on a quarterly basis for disclosure purposes. The fair values of the 2017 Convertible Notes, 2019 Notes and 2021 Notes as of June 28, 2014 were approximately $1.00 billion, $501.7 million and $505.9 million, respectively, based on the last trading price of the respective debentures for the period (classified as Level 2 in fair value hierarchy due to relatively low trading volume).

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Inventories Inventories (Details) (USD $) In Thousands, unless otherwise specified	Jun. 28, 2014	Mar. 29, 2014
Inventory Disclosure [Abstract]
Inventory, Raw Materials, Gross	$ 17,039	$ 15,306
Inventory, Work in Process, Gross	206,897	192,067
Inventory, Finished Goods, Gross	32,855	26,626
Inventory, Net	$ 256,791	$ 233,999	[1]

[1] Derived from audited financial statements

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Goodwill and Acquisition-Related Intangibles (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Mar. 29, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of acquisition-related intangibles	$ 2,418	$ 2,418
Schedule of expected annual amortization expense for acquisition-related intangibles
2015	7,120
2016	8,935
2017	7,131
2018	2,660
2019	603
Total	$ 26,449		$ 28,867

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Fair Value Measurements (Tables)

3 Months Ended

Jun. 28, 2014

Fair Value Disclosures [Abstract]

Assets and liabilities measured at fair value on a recurring basis

The following tables present information about the Company’s assets and liabilities measured at fair value on a recurring basis as of June 28, 2014 and March 29, 2014:

	June 28, 2014
(In thousands)	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
Assets
Cash and cash equivalents:
Money market funds	$	174,031	$	—	$	—	$	174,031
Financial institution securities	—		124,986		—		124,986
Non-financial institution securities	—		120,984		—		120,984
U.S. government and agency securities	25,000		—		—		25,000
Foreign government and agency securities	—		94,992		—		94,992
Short-term investments:
Financial institution securities	—		129,983		—		129,983
Non-financial institution securities	—		317,015		—		317,015
Municipal bonds	—		23,495		—		23,495
U.S. government and agency securities	433,169		99,634		—		532,803
Foreign government and agency securities	—		315,898		—		315,898
Mortgage-backed securities	—		442,571		—		442,571
Debt mutual funds	—		40,703		—		40,703
Bank loans	—		57,707		—		57,707
Long-term investments:
Non-financial institution securities	—		188,007		—		188,007
Auction rate securities	—		—		20,704		20,704
Municipal bonds	—		15,346		—		15,346
U.S. government and agency securities	4,948		31,951		—		36,899
Mortgage-backed securities	—		789,964		—		789,964
Debt mutual fund	—		58,725		—		58,725
Derivative financial instruments, net	—		1,311		—		1,311
Total assets measured at fair value	$	637,148	$	2,853,272	$	20,704	$	3,511,124

	March 29, 2014
(In thousands)	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
Assets
Cash and cash equivalents:
Money market funds	$	213,988	$	—	$	—	$	213,988
Financial institution securities	—		131,990		—		131,990
Non-financial institution securities	—		319,970		—		319,970
U.S. government and agency securities	69,998		—		—		69,998
Foreign government and agency securities	—		194,984		—		194,984
Short-term investments:
Financial institution securities	—		234,916		—		234,916
Non-financial institution securities	—		226,828		—		226,828
Municipal Bonds	—		15,780		—		15,780
U.S. government and agency securities	349,023		89,422		—		438,445
Foreign government and agency securities	—		159,951		—		159,951
Mortgage-backed securities	—		387,508		—		387,508
Debt mutual fund	—		20,216		—		20,216
Long-term investments:
Non-financial institution securities	—		209,274		—		209,274
Auction rate securities	—		—		20,160		20,160
Municipal bonds	—		15,986		—		15,986
U.S. government and agency securities	4,950		36,126		—		41,076
Mortgage-backed securities	—		847,581		—		847,581
Debt mutual fund	—		56,698		—		56,698
Derivative financial instruments, net	—		1,713		—		1,713
Total assets measured at fair value	$	637,959	$	2,948,943	$	20,160	$	3,607,062

Changes in Level 3 instruments measured at fair value on a recurring basis

The following table is a reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3):

	Three Months Ended
(In thousands)	June 28, 2014		June 29, 2013
Balance as of beginning of period	$	20,160	$	27,610
Total realized and unrealized gains (losses):
Included in interest and other expense, net	—		(75		)
Included in other comprehensive income	544		846
Sales and settlements, net (1)	—		(300		)
Balance as of end of period	$	20,704	$	28,081

(1) During the first quarter of fiscal 2014, the Company redeemed $300 thousand of student loan auction rate securities, respectively, for cash at par value.

Gains or (losses) included in net income attributable to change in unrealized gains or losses relating to assets and liabilities

The amount of total losses included in net income attributable to the change in unrealized losses relating to assets and liabilities still held as of the end of the period are summarized as follows:

	Three Months Ended
(In thousands)	June 28, 2014		June 29, 2013
Included in interest and other expense, net	$	—	$	(75	)

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Significant Customers and Concentrations of Credit Risk (Details)	3 Months Ended		12 Months Ended
	Jun. 28, 2014 Customer	Jun. 29, 2013 Customer	Mar. 29, 2014 Customer
Significant Customers and Concentrations of Credit Risk [Abstract]
Percentage of Accounts Receivable Accounted From Company Distributor One	63.00%		55.00%
Percentage of net revenues through resale of product from Company Distributor One	42.00%	49.00%
Number of End Customers Accounted For 10% or More of Net Revenues	0	0	0
Percentage of higher grade securities investment in debt securities	82.00%
Percentage of Mortgage Backed Securities In Investment Portfolio	35.00%

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Income Taxes

3 Months Ended

Jun. 28, 2014

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The Company recorded a tax provision of $26.7 million for the first quarter of fiscal 2015 as compared to $26.0 million in the same prior year period, representing effective tax rates of 13% and 14%, respectively.

The difference between the U.S. federal statutory tax rate of 35% and the Company’s effective tax rate in all periods is primarily due to income earned in lower tax rate jurisdictions, for which no U.S. income tax has been provided, as the Company intends to permanently reinvest these earnings outside of the U.S.

The Company’s total gross unrecognized tax benefits as of June 28, 2014, determined in accordance with FASB authoritative guidance for measuring uncertain tax positions, was $26.4 million. The total amount of unrecognized tax benefits that, if realized in a future period, would favorably affect the effective tax rate was $11.0 million as of June 28, 2014. It is reasonably possible that changes to our unrecognized tax benefits could be significant in the next twelve months due to tax audit settlements and lapses of statutes of limitation. As a result of uncertainties regarding tax audit settlements and their possible outcomes, an estimate of the range of increase or decrease that could occur in the next twelve months cannot be made.

The Company’s policy is to include interest and penalties related to income tax liabilities within the provision for income taxes on the condensed consolidated statements of income. The balance of accrued interest and penalties recorded in the condensed consolidated balance sheets and the amounts of interest and penalties included in the Company's provision for income taxes were not material for all periods presented.

The Company is no longer subject to U.S. federal audits by taxing authorities for years through fiscal 2010. The Company is no longer subject to U.S. state audits for years through fiscal 2004, except for fiscal years 1996 through 2001 which are still open for audit purposes. The Company is no longer subject to tax audits in Ireland for years through fiscal 2009.