Other Comprehensive Income (Loss), Other

No definition available.

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- Definition

Changes in additional paid in capital related to exercise of share-based payments awards (such as stock options) and the amount of recognized equity-based compensation during the period (such as nonvested shares).

+ References

No definition available.

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- Definition

This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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-Glossary Other Comprehensive Income

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-Glossary Net Income

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-Topic 944

-SubTopic 225

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-Subparagraph (SX 210.7-04.19)

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-Section 04

-Paragraph 20

-Article 9

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- Definition

Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

+ References

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-Subparagraph (b,c)

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- Definition

Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

+ References

+ Details

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- Definition

Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

+ References

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-Subparagraph (d)

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- Definition

Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

+ References

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-Number Topic 4

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-Number 210

-Section 02

-Paragraph 29, 30, 31

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- Definition

Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.

+ References

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-Name Regulation S-X (SX)

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

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- Definition

Amount of decrease of par value, additional paid in capital (APIC) and retained earnings of common and preferred stock retired from treasury when treasury stock is accounted for under the cost method.

+ References

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

+ Details

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- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

+ References

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-Name Regulation S-X (SX)

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Changes in Stockholders' Equity and Accumulated Other Comprehensive Loss (Details) (USD $) Share data in Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Apr. 04, 2015	Mar. 29, 2014	Jan. 03, 2015	Mar. 03, 2014
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 440,975,000us-gaap_StockholdersEquity
Net (loss) income	(53,347,000)us-gaap_NetIncomeLoss	11,984,000us-gaap_NetIncomeLoss
Unrealized loss related to marketable securities, net	(20,000)	(51,000)
Recognized loss on redemption of marketable securities, previously unrealized	288,000	(9,000)
Translation adjustments	(6,000)	(176,000)
Common stock issued in connection with the exercise of stock options, ESPP and vested RSUs, net of tax	(260,000)
Stock repurchase	(6,993,000)
Treasury Stock, Retired, Cost Method, Amount	0
Stock-based compensation expense related to stock options, ESPP and RSUs	3,384,000
Fair value of stock options and RSUs assumed in business acquisition	5,139,000
Defined benefit pension net actuarial losses	157,000	0
Other	51,000lscc_OtherComprehensiveIncomeLossOther
Ending balance	388,952,000us-gaap_StockholdersEquity
Shares repurchased (in shares)	1.1us-gaap_TreasuryStockSharesAcquired
Share Repurchase Program approved on Feb 27, 2013
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares repurchased (in shares)			1.9
Shares repurchased	7,000,000		13,100,000
Share Repurchase Program approved on Feb 27, 2014
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock repurchase program, authorized amount				20,000,000
Common stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	1,173,000
Common stock issued in connection with the exercise of stock options, ESPP and vested RSUs, net of tax	4,000
Treasury Stock, Retired, Cost Method, Amount	(8,000)
Ending balance	1,169,000
Additional Paid-in capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	635,299,000
Common stock issued in connection with the exercise of stock options, ESPP and vested RSUs, net of tax	(264,000)
Treasury Stock, Retired, Cost Method, Amount	(5,601,000)
Stock-based compensation expense related to stock options, ESPP and RSUs	3,384,000
Fair value of stock options and RSUs assumed in business acquisition	5,139,000
Other	(51,000)
Ending balance	637,906,000
Treasury stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	0
Stock repurchase	(6,993,000)
Treasury Stock, Retired, Cost Method, Amount	5,609,000
Ending balance	(1,384,000)
Accumulated deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(193,613,000)
Net (loss) income	(53,347,000)
Ending balance	(246,960,000)
Accumulated other comprehensive loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1,884,000)
Unrealized loss related to marketable securities, net	(20,000)
Recognized loss on redemption of marketable securities, previously unrealized	288,000
Translation adjustments	(6,000)
Defined benefit pension net actuarial losses	(157,000)
Other	0
Ending balance	$ (1,779,000)