10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

______________________________________________ 

FORM 10-Q

 ______________________________________________

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

FOR THE QUARTERLY PERIOD ENDED September 28, 2013

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 000-51598

______________________________________________ 

iROBOT CORPORATION

(Exact name of registrant as specified in its charter)

 ______________________________________________

Delaware	77-0259 335
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

8 Crosby Drive

Bedford, MA 01730

(Address of principal executive offices)

(Zip code)

(781) 430-3000

(Registrant’s telephone number, including area code)

______________________________________________

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  ý    No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, 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  ý    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. (Check one):

Large accelerated filer	ý	Accelerated filer	¨
Non-accelerated filer	¨(Do not check if a smaller reporting company)	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  ý

The number of shares outstanding of the Registrant’s Common Stock as of October 29, 2013 was 28,865,070.

iROBOT CORPORATION

FORM 10-Q

THREE AND NINE MONTHS ENDED SEPTEMBER 28, 2013

INDEX

	Page
PART I: FINANCIAL INFORMATION
Item 1. Financial Statements
Consolidated Balance Sheets as of September 28, 2013 and December 29, 2012 (unaudited)	3
Consolidated Statements of Income for the three and nine month periods ended September 28, 2013 and September 29, 2012 (unaudited)	4
Consolidated Statements of Comprehensive Income for the three and nine month periods ended September 28, 2013 and September 29, 2012 (unaudited)	5
Consolidated Statements of Cash Flows for the nine month periods ended September 28, 2013 and September 29, 2012 (unaudited)	6
Notes to Consolidated Financial Statements (unaudited)	7
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	19
Item 3. Quantitative and Qualitative Disclosures about Market Risk	28
Item 4. Controls and Procedures	29
PART II: OTHER INFORMATION
Item 1. Legal Proceedings	29
Item 1A. Risk Factors	29
Item 5. Other Information	29
Item 6. Exhibits	30
Signatures	31
Exhibit Index	32

2

iROBOT CORPORATION

CONSOLIDATED BALANCE SHEETS

(unaudited)

	September 28, 2013		December 29, 2012
	(in thousands)
ASSETS
Current assets:
Cash and cash equivalents	$	139,731	$	126,770
Short term investments	16,948		12,430
Accounts receivable, net of allowance of $81 and $111 at September 28, 2013 and December 29, 2012, respectively	54,027		29,413
Unbilled revenue	1,556		1,196
Inventory	48,853		36,965
Deferred tax assets	19,517		19,266
Other current assets	6,131		8,853
Total current assets	286,763		234,893
Property and equipment, net	24,039		24,953
Deferred tax assets	10,464		8,792
Goodwill	48,751		48,951
Intangible assets, net	23,587		28,224
Other assets	10,501		8,500
Total assets	$	404,105	$	354,313
LIABILITIES, REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	46,644	$	42,515
Accrued expenses	13,409		13,642
Accrued compensation	14,868		11,864
Deferred revenue and customer advances	2,026		6,257
Total current liabilities	76,947		74,278
Long term liabilities	4,556		4,218
Commitments and contingencies (Note 6)
Redeemable convertible preferred stock, 5,000,000 shares authorized and none outstanding	—		—
Common stock, $0.01 par value, 100,000,000 shares authorized; 28,807,393 and 27,781,659 shares issued and outstanding at September 28, 2013 and December 29, 2012, respectively	288		278
Additional paid-in capital	222,311		199,903
Retained earnings	99,890		75,437
Accumulated other comprehensive income	113		199
Total stockholders’ equity	322,602		275,817
Total liabilities, redeemable convertible preferred stock and stockholders’ equity	$	404,105	$	354,313

The accompanying notes are an integral part of the consolidated financial statements.

3

iROBOT CORPORATION

CONSOLIDATED STATEMENTS OF INCOME

(in thousands, except per share amounts)

(unaudited)

	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013			September 29, 2012
Revenue:
Product revenue	$	122,647	$	121,174	$	352,018		$	320,676
Contract revenue	1,854		5,124		9,040			14,874
Total revenue	124,501		126,298		361,058			335,550
Cost of revenue:
Cost of product revenue (1)	69,628		65,852		195,316			179,174
Cost of contract revenue	812		1,970		3,549			6,532
Total cost of revenue	70,440		67,822		198,865			185,706
Gross margin	54,061		58,476		162,193			149,844
Operating expenses:
Research and development (1)	15,212		13,040		45,617			41,722
Selling and marketing (1)	16,317		11,376		49,323			41,685
General and administrative (1)	11,495		11,326		39,348			32,390
Total operating expenses	43,024		35,742		134,288			115,797
Operating income	11,037		22,734		27,905			34,047
Other income (expense), net	152		197		(49		)	477
Income before income taxes	11,189		22,931		27,856			34,524
Income tax expense	3,385		7,724		3,403			11,289
Net income	$	7,804	$	15,207	$	24,453		$	23,235
Net income per share
Basic	$	0.27	$	0.55	$	0.86		$	0.84
Diluted	$	0.26	$	0.54	$	0.84		$	0.82
Number of shares used in calculations per share
Basic	28,733		27,650		28,359			27,520
Diluted	29,582		28,321		29,207			28,323

 __________________________

(1) Total stock-based compensation recorded in the three and nine months ended September 28, 2013 and September 29, 2012 included in the above figures breaks down by expense classification as follows:

	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Cost of product revenue	$	250	$	289	$	496	$	715
Research and development	669		365		1,963		1,271
Selling and marketing	348		158		832		574
General and administrative	2,210		1,796		6,378		5,463

The accompanying notes are an integral part of the consolidated financial statements.

4

iROBOT CORPORATION

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(in thousands)

(unaudited)

	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013			September 29, 2012
Net income, as reported	$	7,804	$	15,207	$	24,453		$	23,235
Other comprehensive income, net of tax:
Unrealized gains/(losses) on investments, net of tax	75		50		(86		)	104
Total comprehensive income	$	7,879	$	15,257	$	24,367		$	23,339

The accompanying notes are an integral part of the consolidated financial statements.

5

iROBOT CORPORATION

CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

(unaudited)

	Nine Months Ended
	September 28, 2013			September 29, 2012
Cash flows from operating activities:
Net income	$	24,453		$	23,235
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,029			8,181
(Gain)/loss on disposal of assets	(351		)	778
Goodwill and intangible assets impairment	1,988			—
Stock-based compensation	9,669			8,023
Deferred income taxes, net	(662		)	(2,855		)
Tax benefit of excess stock-based compensation deductions	(2,238		)	(1,461		)
Non-cash director deferred compensation	33			64
Changes in operating assets and liabilities — (use) source
Accounts receivable	(24,614		)	(10,041		)
Unbilled revenue	(360		)	669
Inventory	(11,888		)	(1,503		)
Other assets	2,697			3,266
Accounts payable	4,129			(10,089		)
Accrued expenses	(216		)	1,596
Accrued compensation	3,004			(8,842		)
Deferred revenue and customer advances	(4,231		)	591
Long term liabilities	338			(315		)
Net cash provided by operating activities	10,780			11,297
Cash flows from investing activities:
Additions of property and equipment	(5,309		)	(4,067		)
Change in other assets	(2,000		)	(6,000		)
Purchases of investments	(12,897		)	(5,086		)
Sales of investments	8,044			2,500
Proceeds from sale of assets	650			—
Net cash used in investing activities	(11,512		)	(12,653		)
Cash flows from financing activities:
Proceeds from stock option exercises	12,364			4,022
Income tax withholding payment associated with restricted stock vesting	(909		)	(777		)
Tax benefit of excess stock-based compensation deductions	2,238			1,461
Net cash provided by financing activities	13,693			4,706
Net increase in cash and cash equivalents	12,961			3,350
Cash and cash equivalents, at beginning of period	126,770			166,308
Cash and cash equivalents, at end of period	$	139,731		$	169,658
Supplemental disclosure of cash flow information:
Cash paid for income taxes	$	7,062		$	7,166

The accompanying notes are an integral part of the consolidated financial statements.

6

iROBOT CORPORATION

Notes To Consolidated Financial Statements

(unaudited)

1. Description of Business

iRobot Corporation (“iRobot” or the “Company”) develops robotics and artificial intelligence technologies and applies these technologies in producing and marketing robots. The majority of the Company’s revenue is generated from product sales and, to a lesser extent, government and commercial research and development contracts.

2. Summary of Significant Accounting Policies

Basis of Presentation

The accompanying consolidated financial statements include those of iRobot and its subsidiaries, after elimination of all intercompany accounts and transactions. iRobot has prepared the accompanying consolidated financial statements in conformity with accounting principles generally accepted in the United States of America.

The accompanying unaudited financial data as of September 28, 2013 and for the three and nine months ended September 28, 2013 and September 29, 2012 has been prepared by the Company pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States have been condensed or omitted pursuant to such rules and regulations. However, the Company believes that the disclosures are adequate to make the information presented not misleading. The year-end balance sheet data was derived from audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States. These consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto included in its Annual Report on Form 10-K for the fiscal year ended December 29, 2012, filed with the SEC on February 15, 2013.

In the opinion of management, all adjustments necessary to state fairly its statement of financial position as of September 28, 2013 and results of operations and cash flows for the periods ended September 28, 2013 and September 29, 2012 have been made. The results of operations and cash flows for any interim period are not necessarily indicative of the operating results and cash flows for the full fiscal year or any future periods.

Reorganization

In fiscal year 2012, the Company initiated a reorganization that resulted in, among other things, the centralization of all of the Company's engineering and operations activities. This reorganization was completed at the beginning of fiscal year 2013. In conjunction with this reorganization, the Company reviewed the financial statement classification of its costs and expenses. As a result of this review, the Company decided to classify certain expenses differently than had been classified and presented in prior periods to provide a more clear understanding of the Company's financial performance. As part of this review, the Company also evaluated the impact of the reorganization on its segment reporting and determined that certain modifications were necessary to present the segment information as now viewed by the Company's chief operating decision maker. Although the classification of certain expenses on the income statement has changed in fiscal year 2013 as compared to prior periods, the Company recast the financial results of prior periods in a manner consistent with the fiscal year 2013 presentation for comparability purposes. The reclassified amounts reflected in the consolidated statements of income for the three and nine months ended September 29, 2012 included herein conform to the fiscal year 2013 presentation. This reclassification of costs and expenses did not impact previously reported net income or earnings per share as the changes only impacted the categorization of costs within the consolidated statements of income for the periods in question. Consequently, the classification changes did not impact previously presented consolidated balance sheets, statements of cash flow or statements of stockholders' equity.

Revision of Consolidated Balance Sheet as of December 29, 2012

During the three month period ended March 30, 2013, the Company identified a classification error related to its reserves for uncertain tax positions on its December 29, 2012 consolidated balance sheet. The Company had recorded a gross income tax receivable in current assets and a gross uncertain tax positions liability against that receivable in current liabilities as of December 29, 2012. In addition, the Company misclassified certain liabilities for uncertain tax positions in current and long-term liabilities. The impact of the errors on the December 29, 2012 consolidated balance sheet was a decrease in Other Current Assets of $2.7 million, an increase in Other Assets of $0.2 million, a decrease in Accrued Expenses of $2.9 million, and an increase in Long-term Liabilities of $0.4 million. These adjustments were not considered to be material, individually or in the aggregate, to previously issued financial statements. The Company has revised its December 29, 2012 consolidated balance

7

iROBOT CORPORATION

Notes to Consolidated Financial Statements - (Continued)

sheet to correct these errors as reflected herein. This revision had no impact on the consolidated statement of income, the consolidated statement of comprehensive income, or total cash flows from operating activities, investing activities, or financing activities.

Out of Period Adjustment

During the third quarter of 2013, the Company identified an immaterial error to previously reported depreciation expense due to the use of an incorrect useful life on a leasehold improvement asset. The recorded out of period adjustment to cost of revenue and operating expenses resulted in a $0.6 million increase in third quarter 2013 net income. The adjustment did not have a material impact on the reported financial position or results of operations for the quarter ended September 28, 2013. Additionally, had this adjustment been recorded in the prior periods to which it relates (fiscal 2011, 2012 and the six month period ended June 29, 2013), the impact would not have been material to the reported financial position or results of operations for those periods.

Use of Estimates

The preparation of these financial statements in conformity with accounting principles generally accepted in the United States requires the Company to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and disclosure of contingent assets and liabilities. On an ongoing basis, management evaluates these estimates and judgments, including those related to revenue recognition, sales returns, bad debts, warranty claims, inventory reserves, valuation of investments, assumptions used in valuing stock-based compensation instruments and income taxes. The Company bases these estimates on historical and anticipated results and trends and on various other assumptions that the Company believes are reasonable under the circumstances, including assumptions as to future events. These estimates form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. By their nature, estimates are subject to an inherent degree of uncertainty. Actual results may differ from the Company’s estimates.

Fiscal Year-End

The Company operates and reports using a 52-53 week fiscal year ending on the Saturday closest to December 31. Accordingly, the Company’s fiscal quarters end on the Saturday that falls closest to the last day of the third month of each quarter.

Revenue Recognition

The Company derives its revenue from product sales and, to a lesser extent, government research and development contracts, and commercial research and development contracts. The Company sells products directly to customers and indirectly through resellers and distributors. The Company recognizes revenue from sales of robots under the terms of the customer agreement upon transfer of title and risk of loss to the customer, net of estimated returns, provided that collection is determined to be reasonably assured and no significant obligations remain. Sales to domestic resellers of home robots are typically subject to agreements allowing for limited rights of return, rebates and price protection. Accordingly, the Company reduces revenue for its estimates of liabilities for these rights of return at the time the related sale is recorded. The Company makes an estimate of sales returns for products sold by domestic resellers directly based on historical returns experience and other relevant data. The Company’s international distributor agreements do not currently allow for product returns and, as a result, no reserve for returns is established for this group of customers. The Company has aggregated and analyzed historical returns from domestic resellers and end users which form the basis of its estimate of future sales returns by resellers or end users. When a right of return exists, the provision for these estimated returns is recorded as a reduction of revenue at the time that the related revenue is recorded. If actual returns differ significantly from its estimates, such differences could have a material impact on the Company’s results of operations for the period in which the returns become known. The estimates for returns are adjusted periodically based upon historical rates of returns. The estimates and reserve for rebates and price protection are based on specific programs, expected usage and historical experience. Actual results could differ from these estimates.

Under cost-plus-fixed-fee (“CPFF”) type contracts, the Company recognizes revenue based on costs incurred plus a pro rata portion of the total fixed fee. Costs incurred include labor and material that are directly associated with individual CPFF contracts plus indirect overhead and general and administrative type costs based upon billing rates submitted by the Company to the Defense Contract Management Agency (“DCMA”). Annually, the Company submits final indirect billing rates to DCMA based upon actual costs incurred throughout the year. In the situation where the Company’s final actual billing rates are greater than the estimated rates currently in effect, the Company records a cumulative revenue adjustment in the period in which the rate differential is collected from the customer. These final billing rates are subject to audit by the Defense Contract Audit Agency (“DCAA”), which can occur several years after the final billing rates are submitted and may result in material

8

iROBOT CORPORATION

Notes to Consolidated Financial Statements - (Continued)

adjustments to revenue recognized based on estimated final billing rates. As of September 28, 2013, fiscal year 2007 is under audit by DCAA, and fiscal years 2008 through 2012 are open for audit by DCAA. In the situation where the Company’s anticipated actual billing rates will be lower than the provisional rates currently in effect, the Company records a cumulative revenue adjustment in the period in which the rate differential is identified. Revenue on firm fixed price (“FFP”) contracts is recognized using the percentage-of-completion method. For government product FFP contracts, revenue is recognized as the product is shipped or in accordance with the contract terms. Costs and estimated gross margins on contracts are recorded as revenue as work is performed based on the percentage that incurred costs compare to estimated total costs utilizing the most recent estimates of costs and funding. Changes in job performance, job conditions, and estimated profitability, including those arising from final contract settlements and government audits, may result in revisions to costs and income and are recognized in the period in which the revisions are determined. Since many contracts extend over a long period of time, revisions in cost and funding estimates during the progress of work have the effect of adjusting earnings applicable to past performance in the current period. When the current contract estimate indicates a loss, a provision is made for the total anticipated loss in the current period. Revenue earned in excess of billings, if any, is recorded as unbilled revenue. Billings in excess of revenue earned, if any, are recorded as deferred revenue.

Accounting for Share-Based Payments

The Company accounts for share-based payments to employees, including grants of employee stock options and awards in the form of restricted shares and restricted stock units by establishing the fair value of each option grant using the Black-Scholes option pricing model and the fair value of awards based on stock price at the time of grant. The fair value of share-based payments is recorded by the Company as a charge against earnings. The Company recognizes share-based payment expense over the requisite service period of the underlying grants and awards. The Company’s share-based payment awards are accounted for as equity instruments.

Net Income Per Share

The following table presents the calculation of both basic and diluted net income per share:

	Three Months Ended				Nine Months Ended
	(In thousands, except per share amounts)
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Net income	$	7,804	$	15,207	$	24,453	$	23,235
Weighted-average shares outstanding	28,733		27,650		28,359		27,520
Dilutive effect of employee stock options and restricted shares	849		671		848		803
Diluted weighted-average shares outstanding	29,582		28,321		29,207		28,323
Basic income per share	$	0.27	$	0.55	$	0.86	$	0.84
Diluted income per share	$	0.26	$	0.54	$	0.84	$	0.82

Restricted stock units and stock options representing approximately 0.1 million and 0.9 million shares of common stock for the three month periods ended September 28, 2013 and September 29, 2012, respectively, and approximately 0.7 million and 0.7 million shares of common stock for the nine month periods ended September 28, 2013 and September 29, 2012, respectively, were excluded from the computation of diluted earnings per share for these periods because their effect would have been antidilutive.

Income Taxes

The Company is subject to taxation in the United States and various states and foreign jurisdictions. The statute of limitations for examination by the Internal Revenue Service ("IRS") is closed for fiscal years prior to 2010. During the nine month period ended September 28, 2013, the IRS completed its examination of the Company's tax returns for the years 2008, 2009 and 2010. The statute of limitations for examination by state tax authorities is closed for fiscal years prior to 2009. Federal carryforward attributes that were generated prior to fiscal year 2010, and state carryforward attributes that were generated prior to fiscal year 2009 may still be adjusted upon examination by the IRS or state tax authorities if they either have been or will be used in a period for which the statute of limitations is still open.

9

iROBOT CORPORATION

Notes to Consolidated Financial Statements - (Continued)

Deferred taxes are determined based on the difference between the financial statement and tax basis of assets and liabilities using enacted tax rates in effect in the years in which the differences are expected to reverse. Valuation allowances are provided if, based upon the weight of available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized.

The Company monitors the realization of its deferred tax assets based on changes in facts and circumstances, for example recurring periods of income for tax purposes following historical periods of cumulative losses or changes in tax laws or regulations. The Company's income tax provisions and its assessment of the ability to realize its deferred tax assets involve significant judgments and estimates.

The Company recorded a tax provision of $3.4 million and $7.7 million for the three month periods ended September 28, 2013 and September 29, 2012, respectively. The $3.4 million provision for the three month period ended September 28, 2013 resulted in an effective income tax rate of 30.3%. The $7.7 million provision for the three month period ended September 29, 2012 resulted in an effective income tax rate of 33.7%. The decrease in the effective income tax rate from 33.7% for the three month period ended September 29, 2012 to 30.3% for the three month period ended September 28, 2013 was primarily due to the inclusion of the federal research and development tax credit in the 2013 income tax provision, which was not enacted into law for inclusion in the 2012 income tax provision.

The Company recorded a tax provision of $3.4 million and $11.3 million for the nine month periods ended September 28, 2013 and September 29, 2012, respectively. The $3.4 million provision for the nine month period ended September 28, 2013 resulted in an effective tax rate of 12.2%. The $11.3 million provision for the nine month period ended September 29, 2012 resulted in an effective tax rate of 32.7%. The decrease in the effective income tax rate from 32.7% for the nine month period ended September 29, 2012 to 12.2% for the nine month period ended September 28, 2013 was primarily due to the release of $2.7 million of certain income tax reserves due to favorable conclusions of the IRS examination of the Company's income tax returns for the years 2008, 2009 and 2010, the inclusion of the federal research and development tax credit in the 2013 income tax provision, which was not enacted into law for inclusion in the 2012 income tax provision, and the retroactive reinstatement of federal research and development tax credits in 2013. In January 2013, legislation was enacted that included the extension of the federal research and development tax credits. The legislation retroactively reinstated research and development tax credits for 2012 and extended them through December 31, 2013. As a result, the Company recorded a discrete benefit of $1.7 million related to 2012 during the nine month period ended September 28, 2013.

The Company anticipates the settlement of state tax audits may be finalized within the next twelve months and could result in a decrease in its unrecognized gross tax benefits of up to $0.7 million.

In September 2013, the U.S. Department of the Treasury and the IRS issued final regulations addressing the acquisition, production and improvement of tangible property, and also proposed regulations addressing the disposition of property.  These regulations replace previously issued temporary regulations and are effective for tax years beginning January 1, 2014, with optional adoption permitted in 2013.  The Company is in the process of analyzing the impact of these new regulations but does not believe they will have a material impact on the Company's consolidated financial statements.

Fair Value Measurements

The authoritative guidance for fair value establishes a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value. These tiers include: Level 1, defined as observable inputs such as quoted prices in active markets; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions.

10

iROBOT CORPORATION

Notes to Consolidated Financial Statements - (Continued)

Financial Assets

The Company’s financial assets measured at fair value on a recurring basis at September 28, 2013, were as follows:

	Fair Value Measurements as of September 28, 2013
	Level 1		Level 2		Level 3
	(In thousands)
Description
Assets:
Money market funds	$	83,822	$	—	$	—
Corporate and government bonds	—		16,948		—
Total assets measured at fair value	$	83,822	$	16,948	$	—

The Company’s financial assets measured at fair value on a recurring basis at December 29, 2012, were as follows:

	Fair Value Measurements as of December 29, 2012
	Level 1		Level 2		Level 3
	(In thousands)
Description
Assets:
Money market funds	$	88,144	$	—	$	—
Corporate bonds	—		12,430		—
Total assets measured at fair value	$	88,144	$	12,430	$	—

In each table above, the bond investments are valued based on observable market values as of the Company’s reporting date and are included in Level 2. The bond investments are recorded at fair value and marked-to-market at the end of each reporting period. The realized and unrealized gains and losses are included in comprehensive income for that period. The fair value of the Company’s bond investment is included in short term investments in its consolidated balance sheet.

Goodwill

Goodwill is recorded as the difference, if any, between the aggregate consideration paid for an acquisition and the fair value of the net tangible and intangible assets acquired. The Company evaluates goodwill for impairment at the reporting unit level (operating segment or one level below an operating segment) annually or more frequently if the Company believes indicators of impairment exist. The Company first assesses qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If the Company concludes that it is more likely than not that the fair value of a reporting unit is less than its carrying amount, then a two-step goodwill impairment test is performed. The first step of the impairment test involves comparing the fair values of the applicable reporting units with their aggregate carrying values, including goodwill. If the carrying amount of a reporting unit exceeds the reporting unit’s fair value, the Company performs the second step of the goodwill impairment test to determine the amount of impairment loss. The second step of the goodwill impairment test involves comparing the implied fair value of the affected reporting unit’s goodwill with the carrying value of that goodwill.

Recent Accounting Pronouncements

In July 2013, the Financial Accounting Standards Board (“FASB”) issued an accounting standards update related to the presentation of an unrecognized tax benefit when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists.  This new guidance clarifies guidance and eliminates diversity in practice on the presentation of unrecognized tax benefits when certain situations exist at the reporting date.  This new guidance is effective for annual reporting periods beginning on or after December 15, 2013 and subsequent interim periods.  We are currently assessing the impact, if any, on our consolidated financial statements.

11

iROBOT CORPORATION

Notes to Consolidated Financial Statements - (Continued)

In February 2013, the FASB issued guidance requiring disclosure of amounts reclassified out of accumulated other comprehensive income by component. In addition, an entity is required to present either on the face of the statement of operations or in the notes, significant amounts reclassified out of accumulated other comprehensive income by the respective line items of net income but only if the amount reclassified is required to be reclassified to net income in its entirety in the same reporting period. For amounts not reclassified in their entirety to net income, an entity is required to cross-reference to other disclosures that provide additional detail about those amounts. This guidance was effective prospectively for the Company for annual and interim periods beginning January 1, 2013. The impact of these amendments on the Company’s consolidated financial statements was not material.

From time to time, new accounting pronouncements are issued by FASB that are adopted by the Company as of the specified effective date. Unless otherwise discussed, the Company believes that recently issued standards, which are not yet effective, will not have a material impact on the Company’s consolidated financial statements upon adoption.

3. Inventory

Inventory consists of the following:

	September 28, 2013		December 29, 2012
	(In thousands)
Raw materials	$	5,754	$	8,849
Work in process	—		60
Finished goods	43,099		28,056
	$	48,853	$	36,965

4. Stock Option Plans

The Company has options outstanding under four stock incentive plans: the 1994 Stock Option Plan (the “1994 Plan”), the 2004 Stock Option and Incentive Plan (the “2004 Plan”), the 2005 Stock Option and Incentive Plan (the "2005 Plan") and the Evolution Robotics, Inc. 2007 Stock Plan (the "2007 Plan" and together with the 1994 Plan, the 2004 Plan and the 2005 Plan, the “Plans”). The 2005 Plan is the only one of the four plans under which new awards may currently be granted. Under the 2005 Plan, which became effective October 10, 2005, 1,583,682 shares were initially reserved for issuance in the form of incentive stock options, non-qualified stock options, stock appreciation rights, deferred stock awards and restricted stock awards. Additionally, the 2005 Plan provides that the number of shares reserved and available for issuance under the plan will automatically increase each January 1, beginning in 2007, by 4.5% of the outstanding number of shares of common stock on the immediately preceding December 31. Stock options returned to the Plans, with the exception of those issued under the 2007 Plan, as a result of their expiration, cancellation or termination are automatically made available for issuance under the 2005 Plan. Eligibility for incentive stock options is limited to those individuals whose employment status would qualify them for the tax treatment associated with incentive stock options in accordance with the Internal Revenue Code of 1986, as amended. As of September 28, 2013, there were 3,872,511 shares available for future grant under the 2005 Plan.

Options granted under the Plans are subject to terms and conditions as determined by the compensation committee of the board of directors, including vesting periods. Options granted under the Plans are exercisable in full at any time subsequent to vesting, generally vest over periods from zero to five years, and expire seven or ten years from the date of grant or, if earlier, 60 or 90 days from employee termination. The exercise price of incentive stock options is equal to the closing price on the NASDAQ Global Market on the date of grant. The exercise price of nonstatutory options may be set at a price other than the fair market value of the common stock.

On September 6, 2013, the Company granted to certain employees stock options totaling 31,600 shares of the Company's common stock and 74,490 restricted stock units. Each of the above stock options have a per share exercise price of $33.72, the closing price of the Company's common stock on NASDAQ on September 6, 2013. The stock options and restricted stock units generally vest over a four year period.

12

iROBOT CORPORATION

Notes to Consolidated Financial Statements - (Continued)

5. Accrued Expenses

Accrued expenses consist of the following:

	September 28, 2013		December 29, 2012
	(In thousands)
Accrued warranty	$	6,688	$	6,057
Accrued rent	731		696
Accrued sales tax	676		719
Accrued direct fulfillment costs	396		999
Accrued sales commissions	261		475
Accrued accounting fees	170		155
Accrued other	4,487		4,541
	$	13,409	$	13,642

6. Commitments and Contingencies

Lease Obligations

Rental expense under operating leases for the three months ended September 28, 2013 and September 29, 2012 were $1.1 million and $1.0 million, respectively, and for the nine months ended September 28, 2013 and September 29, 2012 were $3.5 million and $3.2 million, respectively. Future minimum rental payments under operating leases were as follows as of September 28, 2013:

	Operating Leases
	(In thousands)
Remainder of 2013	$	842
2014	3,109
2015	3,040
2016	2,747
2017	2,505
Thereafter	5,682
Total minimum lease payments	$	17,925

Sales Taxes

The Company collects and remits sales tax in jurisdictions in which it has a physical presence or it believes nexus exists, which therefore obligates the Company to collect and remit sales tax. The Company continually evaluates whether it has established nexus in new jurisdictions with respect to sales tax. The Company has recorded a liability for potential exposure in several states where there is uncertainty about the point in time at which the Company established a sufficient business connection to create nexus. The Company continues to analyze possible sales tax exposure, but does not currently believe that any individual claim or aggregate claims that might arise will ultimately have a material effect on its consolidated results of operations, financial position or cash flows.

13

iROBOT CORPORATION

Notes to Consolidated Financial Statements - (Continued)

Guarantees and Indemnification Obligations

The Company enters into standard indemnification agreements in the ordinary course of business. Pursuant to these agreements, the Company indemnifies and agrees to reimburse the indemnified party for losses incurred by the indemnified party, generally the Company’s customers, in connection with any patent, copyright, trade secret or other proprietary right infringement claim by any third party with respect to the Company’s products. The term of these indemnification agreements is generally perpetual after execution of the agreement. The maximum potential amount of future payments the Company could be required to make under these indemnification agreements is unlimited. The Company has never incurred costs to defend lawsuits or settle claims related to these indemnification agreements. As a result, the Company believes the estimated fair value of these agreements is minimal. Accordingly, the Company has no liabilities recorded for these agreements as of September 28, 2013 and December 29, 2012, respectively.

Warranty

The Company provides warranties on most products and has established a reserve for warranty based on identified or estimated warranty costs. The reserve is included as part of accrued expenses (Note 5) in the accompanying balance sheets.

Activity related to the warranty accrual was as follows:

	Three Months Ended						Nine Months Ended
	September 28, 2013			September 29, 2012			September 28, 2013			September 29, 2012
	(In thousands)						(In thousands)
Balance at beginning of period	$	6,322		$	8,990		$	6,057		$	10,306
Provision	773			1,080			1,832			1,318
Warranty usage(1)	(407		)	(524		)	(1,201		)	(2,078		)
Balance at end of period	$	6,688		$	9,546		$	6,688		$	9,546

(1) Warranty usage includes the expiration of product warranties unutilized.

Inventory

Based upon its business outlook, the Company provides purchase orders and material authorizations to its contract manufacturers for future delivery of finished goods. On the basis of these purchase orders and material authorizations, the Company’s contract manufacturers order components from their respective suppliers. Should the Company’s business outlook not materialize as expected, it may be contractually obligated to purchase from the contract manufacturers inventory they have secured on behalf of the Company, which may be in excess of customer demand. The Company continually evaluates whether any such obligation or exposure exists and records a liability in the period in which such obligations or exposure are identified.

7. Acquisition of Evolution Robotics, Inc.

On October 1, 2012, the Company acquired 100% of the equity of Evolution Robotics, Inc. ("Evolution") for $74.8 million in cash, including the effect of working capital adjustments and cash received, with $8.88 million of the purchase price placed into an escrow account to settle certain claims for indemnification for breaches or inaccuracies in Evolution’s representations and warranties, covenants and agreements. Evolution was the developer of Mint and Mint Plus automatic floor cleaning robots, based in Pasadena, California, and is included in the Company's home robots business unit.

Pro Forma Disclosures (Unaudited)

The following unaudited pro forma consolidated results of operations for the three and nine month periods ended September 28, 2013 and September 29, 2012 assume that the acquisition of Evolution occurred as of January 1, 2012.

	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
	(In thousands)				(In thousands)
Revenue	$	124,501	$	131,164	$	361,058	$	344,775
Net Income	7,804		13,496		24,453		15,703

These pro forma amounts do not purport to be indicative of the results that would have actually been obtained if the acquisitions had occurred at the beginning of the periods presented or that may be obtained in the future.

14

iROBOT CORPORATION

Notes to Consolidated Financial Statements - (Continued)

8. Industry Segment, Geographic Information and Significant Customers

The Company operates in two reportable segments, the home robots business unit and the defense and security robots business unit. The nature of products and types of customers for the two segments vary significantly. As such, the segments are managed separately. As a result of the reorganization completed at the beginning of fiscal year 2013, the Company determined that certain modifications were necessary to present the segment information as now viewed by the Company's chief operating decision maker. While no new reportable segments resulted from the reorganization, certain revenue and expenses previously included in the home robots business unit and the defense and security robots business unit are now combined with other revenue and expenses and presented separately from the two reportable segments.

Home Robots

The Company’s home robots business unit offers products to consumers through a network of retail businesses throughout the United States, to various countries through international distributors and retailers, and through the Company’s on-line store. The Company’s home robots business unit includes mobile robots used in the maintenance of households.

Defense and Security

The Company’s defense and security robots business unit offers products to the U.S. Department of Defense through a small U.S. government-focused sales force, and to other North American and international entities through small domestic and international sales teams, as well as through North American and international distributors. The Company’s defense and security robots are used to increase warfighters', law enforcement, security forces and first responders' safety and productivity.

Other

The Company’s other revenue and cost of revenue result from other smaller business units that do not meet the criteria of a reportable segment, as well as certain operational costs included in cost of revenue.

15

iROBOT CORPORATION

Notes to Consolidated Financial Statements - (Continued)

The table below presents segment information about revenue, cost of revenue, gross margin and income before income taxes:

	Three Months Ended						Nine Months Ended
	(In thousands)
	September 28, 2013			September 29, 2012			September 28, 2013			September 29, 2012
Revenue:
Home Robots	$	111,363		$	96,291		$	319,590		$	273,887
Defense & Security	10,094			27,832			33,664			55,217
Other	3,044			2,175			7,804			6,446
Total revenue	124,501			126,298			361,058			335,550
Cost of revenue:
Home Robots	58,300			45,983			162,411			134,276
Defense & Security	5,981			14,802			18,348			31,862
Other	6,159			7,037			18,106			19,568
Total cost of revenue	70,440			67,822			198,865			185,706
Gross margin:
Home Robots	53,063			50,308			157,179			139,611
Defense & Security	4,113			13,030			15,316			23,355
Other	(3,115		)	(4,862		)	(10,302		)	(13,122		)
Total gross margin	54,061			58,476			162,193			149,844
Research and development	15,212			13,040			45,617			41,722
Selling and marketing	16,317			11,376			49,323			41,685
General and administrative	11,495			11,326			39,348			32,390
Other income (expense), net	152			197			(49		)	477
Income before income taxes	$	11,189		$	22,931		$	27,856		$	34,524

Geographic Information

For the three months ended September 28, 2013 and September 29, 2012, sales to non-U.S. customers accounted for66.2% and 51.9% of total revenue, respectively, and sales to non-U.S. customers for the nine months ended September 28, 2013 and September 29, 2012 accounted for 61.9% and 59.1% of total revenue, respectively.

Significant Customers

For the three months ended September 28, 2013 and September 29, 2012, U.S. federal government orders, contracts and subcontracts accounted for 2.0% and 21.5% of total revenue, respectively, and for the nine months ended September 28, 2013 and September 29, 2012, U.S. federal government orders, contracts and subcontracts accounted for 5.7% and 15.1% of total revenue, respectively.

For the three months ended September 28, 2013, the Company generated 18.2% and 17.1%, respectively, of total revenue from two of its international distributors of home robots products, and 10.6% of total revenue from one of its domestic customers of home robots products. For the three months ended September 29, 2012, the Company generated 16.6% and 8.9%, respectively, of total revenue from two of its international distributors of home robots products.

For the nine months ended September 28, 2013, the Company generated 21.6% and 13.3%, respectively, of total revenue from two of its international distributors of home robots products. For the nine months ended September 29, 2012, the Company generated 16.9% and 14.2%, respectively, of total revenue from two of its international distributors of home robots products. For the nine months ended September 28, 2013, none of the Company’s domestic home robots customers accounted for more than 10% of the Company’s total revenue.

16

iROBOT CORPORATION

Notes to Consolidated Financial Statements - (Continued)

9. Goodwill, Other Intangible Assets and Other Assets

Goodwill

The carrying amount of the Company's goodwill at September 28, 2013 is $48.8 million, of which $41.1 million resulted from the acquisition of Evolution Robotics, Inc. in October 2012 and was assigned to the home robots reporting unit. $7.7 million (net of a subsequent write-down of $0.2 million) resulted from the acquisition of Nekton Research, LLC completed in September 2008 and was assigned to the defense and security reporting unit. In conjunction with the reorganization completed as of the beginning of the fiscal year 2013, the defense and security reporting unit was divided into two reporting units: the defense and security reporting unit and the research reporting unit. As a result, the goodwill of $7.9 million was reassigned utilizing a relative fair value allocation approach. $7.7 million and $0.2 million were reassigned to the defense and security and research reporting units, respectively.

During the three month period ended June 29, 2013, the Company decided to refocus its funded research activities. The Company considered this decision to be an impairment indicator, requiring an interim impairment test within the research reporting unit. The Company performed an impairment assessment using the income approach, and determined that goodwill was impaired. The Company recorded an impairment loss of $0.2 million within general and administrative expenses during the three months ended June 29, 2013.

Other Intangible Assets

Other intangible assets include the value assigned to completed technology, research contracts, and a trade name. The estimated useful lives for all of these intangible assets are two to ten years. The intangible assets are being amortized on a straight-line basis, which is consistent with the pattern that the economic benefits of the intangible assets are expected to be utilized.

Intangible assets at September 28, 2013 and December 29, 2012 consisted of the following:

	September 28, 2013								December 29, 2012
	Cost		Accumulated Amortization		Impairment Loss		Net		Cost		Accumulated Amortization		Net
	(In thousands)
Completed technology	$	30,600	$	5,291	$	1,788	$	23,521	$	30,600	$	2,468	$	28,132
Research contracts	100		100		—		—		100		100		—
Tradename	800		734		—		66		800		708		92
Total	$	31,500	$	6,125	$	1,788	$	23,587	$	31,500	$	3,276	$	28,224

As part of the Company's decision during the three month period ended June 29, 2013 to refocus its funded research activities, the Company decided to no longer pursue certain research contracts in which completed technology acquired as part of the acquisition of Nekton Research, LLC was utilized. As a result, the Company performed an impairment assessment of the associated intangible asset using the income approach, and recorded an impairment loss of $1.8 million within general and administrative expenses in the three month period ended June 29, 2013.

Amortization expense related to acquired intangible assets was $919,000 and $92,500 for the three months ended September 28, 2013 and September 29, 2012, respectively. Amortization expense related to acquired intangible assets was $2.8 million and $277,500 for the nine months ended September 28, 2013 and September 29, 2012, respectively. The estimated future amortization expense is expected to be as follows:

	(In thousands)
Remainder of 2013	$	919
2014	3,522
2015	3,482
2016	3,457
2017	3,457
Thereafter	8,750
Total	$	23,587

17

iROBOT CORPORATION

Notes to Consolidated Financial Statements - (Continued)

Other Assets

Other assets at September 28, 2013 and December 29, 2012 consisted of the following:

	September 28, 2013		December 29, 2012
	(In thousands)
Investment in Advanced Scientific Concepts, Inc.	$	2,500	$	2,500
Investment in InTouch Technologies, Inc.	8,001		6,000
	$	10,501	$	8,500

These investments are accounted utilizing the cost method of accounting. The Company regularly monitors the investments to determine if facts and circumstances have changed in a manner that would require a change in accounting methodology. Additionally, the Company periodically evaluates whether or not an investment has been impaired by considering such factors as economic environment, market conditions, operational performance and other specific factors relating to the business underlying the investment. If any such impairment is identified, a reduction in the carrying value of the investment would be recorded at that time.

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

The following discussion of the financial condition and results of operations of iRobot Corporation should be read in conjunction with the consolidated financial statements and the related notes thereto included elsewhere in this Quarterly Report on Form 10-Q and the audited financial statements and notes thereto and Management’s Discussion and Analysis of Financial Condition and Results of Operations included in our Annual Report on Form 10-K for the year ended December 29, 2012, which has been filed with the SEC. This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and are subject to the “safe harbor” created by those sections. In particular, statements contained in this Quarterly Report on Form 10-Q, and in the documents incorporated by reference into this Quarterly Report on Form 10-Q, that are not historical facts, including, but not limited to statements concerning new product sales, product development and offerings, Roomba, Scooba, Looj, Mint, Braava, Mirra and Verro products, PackBot tactical military robots, the Small Unmanned Ground Vehicle, FirstLook, Warrior, Ava, RP-VITA, our home robots, defense and security robots and remote presence business units, our competition, our strategy, our market position, market acceptance of our products, seasonal factors, revenue recognition, our profits, growth of our revenues, product life cycle revenue, composition of our revenues, our cost of revenues, units shipped, average selling prices, funding of our defense and security robot development programs, operating expenses, selling and marketing expenses, general and administrative expenses, research and development expenses, and compensation costs, our projected income tax rate, our credit and letter of credit facilities, our valuations of investments, valuation and composition of our stock-based awards, and liquidity, constitute forward-looking statements and are made under these safe harbor provisions. Some of the forward-looking statements can be identified by the use of forward-looking terms such as “believes,” “expects,” “may,” “will,” “should,” “could,” “seek,” “intends,” “plans,” “estimates,” “anticipates,” or other comparable terms. Forward-looking statements involve inherent risks and uncertainties which could cause actual results to differ materially from those in the forward-looking statements, including those risks and uncertainties described in our Annual Report on Form 10-K for the year ended December 29, 2012, as well as elsewhere in this Quarterly Report on Form 10-Q. We urge you to consider the risks and uncertainties discussed in our Annual Report on Form 10-K and in Item 1A contained herein in evaluating our forward-looking statements. We have no plan to update our forward-looking statements to reflect events or circumstances after the date of this Quarterly Report on Form 10-Q. We caution readers not to place undue reliance upon any such forward-looking statements, which speak only as of the date made.

Overview

iRobot designs and builds robots that make a difference. For over 20 years, we have developed proprietary technology incorporating advanced concepts in navigation, manipulation, perception and human/robot interaction to build industry-leading robots. Our Roomba floor vacuuming robot, Scooba floor washing robot and Braava floor sweeping robot, perform time-consuming domestic chores in the home, while our Looj gutter cleaning robot and Mirra and Verro pool cleaning robot perform tasks outside the home. Our PackBot, Small Unmanned Ground Vehicle (SUGV), Warrior and FirstLook tactical ground military robots perform battlefield reconnaissance and, in some cases, bomb disposal. Our RP-VITA robot, jointly developed with InTouch Technologies, Inc., combines autonomous navigation and mobility technologies with telemedicine and electronic health record integration, and our Ava 500 video collaboration robot will deliver autonomous telepresence to the enterprise market. We sell our robots to consumers through a variety of distribution channels, including chain stores and other national retailers, and through our on-line store, and to the U.S. military and other government agencies worldwide.

As of September 28, 2013, we had 525 full-time employees. We have developed expertise in the disciplines necessary to build durable, high-performance and cost-effective robots through the close integration of software, electronics and hardware. Our core technologies serve as reusable building blocks that we adapt and expand to develop next generation and new products, reducing the time, cost and risk of product development. Our significant expertise in robot design and engineering, combined with our management team’s experience in defense and consumer markets, positions us to capitalize on the expected growth in the market for robots.

Although we have successfully launched consumer and defense and security products, our continued success depends upon our ability to respond to a number of future challenges. We believe the most significant of these challenges include increasing competition in the markets for both our consumer and defense and security products, and our ability to successfully develop and introduce products and product enhancements into both new and existing markets.

During the three and nine month periods ended September 28, 2013, strong growth in our domestic and international markets for home robots products drove increases in our home robots business unit revenue of 16% and 17%, respectively, as compared to the three and nine month periods ended September 29, 2012. These increases resulted primarily from strong sell through across our domestic retailers, supported by our domestic advertising campaign, the launch of Braava in our international markets, and broadened availability of the Roomba 600 and 700 series robots. Offsetting these increases were decreases in our defense and security business unit revenue of 64% and 39%, respectively, during the three and nine month

19

periods ended September 28, 2013 as compared to the three month and nine month periods ended September 29, 2012, driven by decreases in product life cycle revenue and decreased sales of our Small Unmanned Ground Vehicle robots.

In fiscal year 2012, we initiated a reorganization that resulted in, among other things, the centralization of all of our engineering and operations activities. This reorganization was completed at the beginning of fiscal year 2013. In conjunction with this reorganization, we reviewed the financial statement classification of our costs and expenses. As a result of this review, we decided to classify certain expenses differently than had been classified and presented in prior periods to provide a more clear understanding of our financial performance. As part of this review, we also evaluated the impact of the reorganization on our segment reporting and determined that certain modifications were necessary to present the segment information as now viewed by our chief operating decision maker. Although the classification of certain expenses on the income statement has changed in fiscal year 2013 as compared to prior periods, we recast the financial results of prior periods in a manner consistent with the fiscal year 2013 presentation for comparability purposes. The reclassified amounts reflected in the consolidated statement of income for the three and nine months ended September 29, 2012 included herein conform to the fiscal year 2013 presentation. This reclassification of costs and expenses did not impact previously reported net income or earnings per share as the changes only impacted the categorization of costs within the consolidated statements of income for the periods in question. Consequently, the classification changes did not impact previously presented consolidated balance sheets, statements of cash flow or statements of stockholders' equity.

Critical Accounting Policies and Estimates

The preparation of financial statements in conformity with generally accepted accounting principles in the United States requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the dates of the financial statements and the reported amounts of revenue and expenses during the reporting periods. On an ongoing basis, we evaluate our estimates and judgments, in particular those related to revenue recognition (specifically sales returns and other allowances); valuation allowances; assumptions used in valuing stock-based compensation instruments; evaluating loss contingencies; and valuation allowances for deferred tax assets. Actual amounts could differ significantly from these estimates. Our management bases its estimates and judgments on historical experience and various other factors that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities and the amounts of revenue and expenses that are not readily apparent from other sources. Additional information about these critical accounting policies may be found in the “Management’s Discussion and Analysis of Financial Condition and Results of Operations” section included in our Annual Report on Form 10-K for the fiscal year ended December 29, 2012.

20

Overview of Results of Operations

The following table sets forth our results of operations as a percentage of revenue for the three and nine month periods ended September 28, 2013 and September 29, 2012:

	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Revenue
Product revenue	98.5	%	95.9	%	97.5	%	95.6	%
Contract revenue	1.5		4.1		2.5		4.4
Total revenue	100.0		100.0		100.0		100.0
Cost of revenue
Cost of product revenue	55.9		52.1		54.1		53.4
Cost of contract revenue	0.7		1.6		1.0		1.9
Total cost of revenue	56.6		53.7		55.1		55.3
Gross margin	43.4		46.3		44.9		44.7
Operating expenses
Research and development	12.2		10.3		12.6		12.4
Selling and marketing	13.1		9.0		13.7		12.4
General and administrative	9.2		9.0		10.9		9.7
Total operating expenses	34.5		28.3		37.2		34.5
Operating income	8.9		18.0		7.7		10.2
Other income (expense), net	0.1		0.2		—		0.1
Income before income taxes	9.0		18.2		7.7		10.3
Income tax expense	2.7		6.1		0.9		3.4
Net income	6.3	%	12.1	%	6.8	%	6.9	%

Comparison of Three and Nine Months Ended September 28, 2013 and September 29, 2012

Revenue

	Three Months Ended									Nine Months Ended
	September 28, 2013		September 29, 2012		Dollar Change			Percent Change		September 28, 2013		September 29, 2012		Dollar Change		Percent Change
			(In thousands)									(In thousands)
Total revenue	$	124,501	$	126,298	$	(1,797	)	(1.4	)%	$	361,058	$	335,550	$	25,508	7.6	%

Total revenue for the three months ended September 28, 2013 decreased to $124.5 million, or 1.4%, compared to $126.3 million for the three months ended September 29, 2012. Revenue increased approximately $15.1 million, or 15.7%, in our home robots business unit and decreased approximately $17.7 million, or 63.7%, in our defense and security robots business unit.

The $15.1 million increase in revenue from our home robots business unit for the three months ended September 28, 2013 was driven by a 26.4% increase in units shipped as compared to the three months ended September 29, 2012. The impact of this increase in units shipped was partially offset by a $7.7 million benefit to revenue realized during the three months ended September 29, 2012 related to customer defective product returns based on amended customer agreements. In the three months ended September 28, 2013, international home robots revenue increased $12.3 million, or 19.4%, and domestic home robots revenue increased $2.8 million, or 8.4% as compared to the three months ended September 29, 2012. Total home robots shipped in the three months ended September 28, 2013 were 526,000 units compared to 416,000 units in the three months ended September 29, 2012. The increase in international sales of our home robots resulted primarily from broadened availability of Braava in our international markets and strong demand in Japan for the Roomba 600 and 700 series robots.

21

The $17.7 million decrease in revenue from our defense and security robots business unit for the three months ended September 28, 2013 was attributable to a $14.2 million decrease in defense and security product revenue and a $3.5 million decrease in contract revenue generated under research and development contracts. The $14.2 million decrease in defense and security product revenue resulted from a $9.6 million decrease in product life cycle revenue, as well as a decrease in sales of our Small Unmanned Ground Vehicle, offset by an increase in sales of our Packbot robot. The $3.5 million decrease in contract revenue was primarily due to a decrease in revenue related to the U.S. Army's Brigade Combat Team Modernization, or BCTM, program. Total defense and security robots shipped in the three months ended September 28, 2013 were 43 units compared to 71 units in the three months ended September 29, 2012, while net average selling price decreased from $127,000 in the three months ended September 29, 2012 to $103,000 in the three months ended September 28, 2013.

Total revenue for the nine months ended September 28, 2013 increased to $361.1 million, or 7.6%, compared to $335.6 million for the nine months ended September 29, 2012. Revenue increased approximately $45.7 million, or 16.7%, in our home robots business unit and decreased approximately $21.5 million, or 39.0%, in our defense and security robots business unit.

The $45.7 million increase in revenue from our home robots business unit for the nine months ended September 28, 2013 was driven by a 16.6% increase in home robots units shipped, and a 4.1% increase in average gross selling price for those units as compared to the nine months ended September 29, 2012. These increases were partially offset by the impact of $11.0 million of benefit to revenue realized during the nine months ended September 29, 2012 related to customer defective product returns based on amended customer agreements and lower actual returns experience than estimates included in our historical returns reserve, compared to a $3.5 million benefit related to customer defective product returns realized during the nine months ended September 28, 2013. In the nine months ended September 28, 2013, domestic home robots revenue increased $20.4 million, or 23.8%, and international home robots revenue increased $25.3 million, or 13.5%, as compared to the nine months ended September 29, 2012. Total home robots shipped in the nine months ended September 28, 2013 were 1,439,000 units compared to 1,234,000 units in the nine months ended September 29, 2012. The increase in domestic sales of our home robots resulted primarily from strong sell-through across our domestic retailers, supported by our domestic advertising campaign, the addition of the Braava floor sweeping robot into our product lineup, and broadened availability of the Roomba 600 and 700 series robots. The increase in international sales of our home robots resulted primarily from the addition of Braava in our international markets and strong demand in Japan for the Roomba 600 and 700 series robots.

The $21.5 million decrease in revenue from our defense and security robots business unit was attributable to a $14.0 million decrease in defense and security robots revenue and a $7.5 million decrease in contract revenue generated under research and development contracts. The $14.0 million decrease in defense and security robots revenue resulted from a $9.6 million decrease in product life cycle revenue, as well as a decrease in sales of our Small Unmanned Ground Vehicle, offset by an increase in sales of our Packbot robot. The $7.5 million decrease in contract revenue was primarily due to a decrease in revenue related to the BCTM program. Total defense and security robots shipped in the nine months ended September 28, 2013 were 485 units compared to 245 units in the nine months ended September 29, 2012, while the net average selling price decreased from $79,000 in the nine months ended September 29, 2012 to $31,000 in the nine months ended September 28, 2013. The increase in the number of units shipped and the decrease in net average selling price resulted from increased sales of our lower-priced FirstLook robot in the nine months ended September 28, 2013 as compared to the nine months ended September 29, 2012.

Cost of Revenue

	Three Months Ended										Nine Months Ended
	September 28, 2013			September 29, 2012			Dollar Change		Percent Change		September 28, 2013			September 29, 2012			Dollar Change		Percent Change
	(In thousands)										(In thousands)
Total cost of revenue	$	70,440		$	67,822		$	2,618	3.9	%	$	198,865		$	185,706		$	13,159	7.1	%
As a percentage of total revenue	56.6		%	53.7		%					55.1		%	55.3		%

Total cost of revenue increased to $70.4 million in the three months ended September 28, 2013, compared to $67.8 million in the three months ended September 29, 2012. The increase is primarily due to the 26.4% increase in home robots units shipped and the product mix of those units, partially offset by the impact of the 39.4% decrease in defense and security robot units shipped.

Total cost of revenue increased to $198.9 million in the nine months ended September 28, 2013, compared to $185.7 million in the nine months ended September 29, 2012. The increase is primarily due to the 16.6% increase in home robots units

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shipped and the 98.0% increase in defense and security robot units shipped, as well as the product mix of those units. Additionally, cost of revenue in the nine months ended September 29, 2012 included a $1.5 million benefit from adjustments to our warranty accruals due to gradual improvement in rates of returns and repairs resulting from sustained investment in product quality.

Gross Margin

	Three Months Ended											Nine Months Ended
	September 28, 2013			September 29, 2012			Dollar Change			Percent Change		September 28, 2013			September 29, 2012			Dollar Change		Percent Change
	(In thousands)											(In thousands)
Total gross margin	$	54,061		$	58,476		$	(4,415	)	(7.6	)%	$	162,193		$	149,844		$	12,349	8.2	%
As a percentage of total revenue	43.4		%	46.3		%						44.9		%	44.7		%

Gross margin decreased $4.4 million, or 7.6%, to $54.1 million (43.4% of revenue) in the three months ended September 28, 2013 from $58.5 million (46.3% of revenue) in the three months ended September 29, 2012. Gross margin as a percentage of revenue in the home robots business unit decreased 4.6 percentage points, and gross margin as a percentage of revenue in the defense and security robots business unit decreased 6.1 percentage points. The 4.6 percentage point decrease in the home robots business unit is attributable to the $7.7 million benefit to revenue realized during the three months ended September 29, 2012 related to customer defective product returns, and the inclusion of lower margin Braava sales in the three months ended September 28, 2013. The 6.1 percentage point decrease in the defense and security business unit is attributable to the unfavorable overhead leverage associated with the 63.7% decrease in the defense and security robots business unit revenue in the three months ended September 28, 2013 compared to the three months ended September 29, 2012, as well as an unfavorable adjustment of $0.6 million due to increased product royalty costs based upon updated estimates of units to ship prior to the expiration of the royalty contract. These decreases were partially offset by excess and obsolete inventory costs recorded during the three months ended September 29, 2012.

Gross margin increased $12.3 million, or 8.2%, to $162.2 million (44.9% of revenue) in the nine months ended September 28, 2013 from $149.8 million (44.7% of revenue) in the nine months ended September 29, 2012. Gross margin as a percentage of revenue in the defense and security business unit increased 3.2 percentage points, and gross margin as a percentage of revenue in the home robots business unit decreased 1.8 percentage points. The 3.2 percentage point increase in the defense and security business unit is attributable to excess and obsolete inventory costs recorded during the nine months ended September 29, 2012. The 1.8 percentage point decrease in the home robots business unit is primarily attributable to $11.0 million of favorable adjustments to defective returns reserves during the nine months ended September 29, 2012 compared to a $3.5 million benefit related to customer defective product returns realized during the nine months ended September 28, 2013, and $1.5 million of favorable adjustments to warranty accruals recorded during the nine months ended September 29, 2012, with no such adjustments recorded in the nine months ended September 28, 2013. This impact was partially offset by favorable changes in product mix to higher margin home robots products.

Research and Development

	Three Months Ended										Nine Months Ended
	September 28, 2013			September 29, 2012			Dollar Change		Percent Change		September 28, 2013			September 29, 2012			Dollar Change		Percent Change
	(In thousands)										(In thousands)
Total research and development	$	15,212		$	13,040		$	2,172	16.7	%	$	45,617		$	41,722		$	3,895	9.3	%
As a percentage of total revenue	12.2		%	10.3		%					12.6		%	12.4		%

Research and development expenses increased $2.2 million, or 16.7%, to $15.2 million (12.2% of revenue) in the three months ended September 28, 2013 from $13.0 million (10.3% of revenue) in the three months ended September 29, 2012. This increase is attributable to increased efforts in product development and continued product enhancements in the three months

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ended September 28, 2013 compared to the three months ended September 29, 2012, as well as costs associated with Evolution, which was acquired on October 1, 2012.

Research and development expenses increased $3.9 million, or 9.3%, to $45.6 million (12.6% of revenue) in the nine months ended September 28, 2013 from $41.7 million (12.4% of revenue) in the nine months ended September 29, 2012. This increase is attributable to increased efforts in product development and continued product enhancements in the nine months ended September 28, 2013 compared to the nine months ended September 29, 2012, as well as costs associated with Evolution, which was acquired on October 1, 2012.

In addition to our research and development activities classified as research and development expense, we incur research and development expenses under funded development arrangements with governments and commercial third parties. For the three and nine months ended September 28, 2013, these expenses amounted to $0.8 million and $3.5 million, compared to $2.0 million and $6.5 million for the three and nine months ended September 29, 2012. These expenses have been classified as cost of revenue rather than research and development expense. The combined investment in future technologies, classified as cost of revenue and research and development expense, was $16.0 million and $49.2 million for the three and nine months ended September 28, 2013, compared to $15.0 million and $48.3 million for the three and nine months ended September 29, 2012.

Selling and Marketing

	Three Months Ended										Nine Months Ended
	September 28, 2013			September 29, 2012			Dollar Change		Percent Change		September 28, 2013			September 29, 2012			Dollar Change		Percent Change
	(In thousands)										(In thousands)
Total selling and marketing	$	16,317		$	11,376		$	4,941	43.4	%	$	49,323		$	41,685		$	7,638	18.3	%
As a percentage of total revenue	13.1		%	9.0		%					13.7		%	12.4		%

Selling and marketing expenses increased by $4.9 million, or 43.4%, to $16.3 million (13.1% of revenue) in the three months ended September 28, 2013 from $11.4 million (9.0% of revenue) in the three months ended September 29, 2012. This increase is primarily attributable to marketing expenses incurred during the three months ended September 28, 2013 as part of our continued global marketing and branding efforts, with a specific increase in marketing in international markets as compared to the three months ended September 29, 2012.

Selling and marketing expenses increased by $7.6 million, or 18.3%, to $49.3 million (13.7% of revenue) in the nine months ended September 28, 2013 from $41.7 million (12.4% of revenue) in the nine months ended September 29, 2012. This increase is primarily attributable to marketing expenses incurred during the nine months ended September 28, 2013 as part of our continued global marketing and branding efforts.

General and Administrative

	Three Months Ended										Nine Months Ended
	September 28, 2013			September 29, 2012			Dollar Change		Percent Change		September 28, 2013			September 29, 2012			Dollar Change		Percent Change
	(In thousands)										(In thousands)
Total general and administrative	$	11,495		$	11,326		$	169	1.5	%	$	39,348		$	32,390		$	6,958	21.5	%
As a percentage of total revenue	9.2		%	9.0		%					10.9		%	9.7		%

General and administrative expenses increased by $0.2 million, or 1.5%, to $11.5 million (9.2% of revenue) in the three months ended September 28, 2013 from $11.3 million (9.0% of revenue) in the three months ended September 29, 2012. This increase is primarily attributable to increased incentive compensation, offset by a $0.7 million gain on the disposition of certain of our Maritime assets in the three months ended September 28, 2013 as compared to the three months ended September 29, 2012.

General and administrative expenses increased by $7.0 million, or 21.5%, to $39.3 million (10.9% of revenue) in the nine months ended September 28, 2013 from $32.4 million (9.7% of revenue) in the nine months ended September 29, 2012. This

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increase is primarily attributable to a $1.8 million intangible asset impairment and increased incentive compensation in the nine months ended September 28, 2013 as compared to the nine months ended September 29, 2012.

Other Income (Expense), Net

	Three Months Ended											Nine Months Ended
	September 28, 2013			September 29, 2012			Dollar Change			Percent Change		September 28, 2013			September 29, 2012			Dollar Change			Percent Change
	(In thousands)											(In thousands)
Total other income (expense), net	$	152		$	197		$	(45	)	(22.8	)%	$	(49	)	$	477		$	(526	)	(110.3	)%
As a percentage of total revenue	0.1		%	0.2		%						—		%	0.1		%

Other income (expense), net, amounted to $0.2 million and $0.2 million for the three months ended September 28, 2013 and September 29, 2012, respectively. Other income (expense), net, amounted to $0.0 million and $0.5 million for the nine months ended September 28, 2013 and September 29, 2012, respectively. Other income (expense), net, for the three and nine month periods ended September 28, 2013 and September 29, 2012 consisted primarily of interest income offset by foreign currency exchange losses resulting from foreign currency exchange rate fluctuations.

Income Tax Expense

	Three Months Ended									Nine Months Ended
	September 28, 2013		September 29, 2012		Dollar Change			Percent Change		September 28, 2013		September 29, 2012		Dollar Change			Percent Change
	(In thousands)									(In thousands)
Total income tax expense	$	3,385	$	7,724	$	(4,339	)	(56.2	)%	$	3,403	$	11,289	$	(7,886	)	(69.9	)%

We recorded a tax provision of $3.4 million and $7.7 million for the three month periods ended September 28, 2013 and September 29, 2012, respectively. The $3.4 million provision for the three month period ended September 28, 2013 resulted in an effective income tax rate of 30.3%. The $7.7 million provision for the three month period ended September 29, 2012 resulted in an effective income tax rate of 33.7%. The decrease in the effective income tax rate from 33.7% in the three month period ended September 29, 2012 to 30.3% in the three month period ended September 28, 2013 was primarily due to the inclusion of the federal research and development tax credit in the 2013 income tax provision, which was not enacted into law for inclusion in the 2012 income tax provision.

We recorded a tax provision of $3.4 million and $11.3 million for the nine month periods ended September 28, 2013 and September 29, 2012, respectively. The $3.4 million provision for the nine month period ended September 28, 2013 resulted in an effective tax rate of 12.2%. The $11.3 million provision for the nine month period ended September 29, 2012 resulted in an effective tax rate of 32.7%. The decrease in the effective income tax rate from 32.7% for the nine month period ended September 29, 2012 to 12.2% for the nine month period ended September 28, 2013 was primarily due to the release of $2.7 million of certain income tax reserves due to favorable conclusions of the IRS examination of our income tax returns for the years 2008, 2009 and 2010, the inclusion of the federal research and development tax credit in the 2013 income tax provision, which was not enacted into law for inclusion in the 2012 income tax provision, and the retroactive reinstatement of federal research and development tax credits in 2013. In January 2013, legislation was enacted that included the extension of the federal research and development tax credits. The legislation retroactively reinstated research and development tax credits for 2012 and extended them through December 31, 2013. As a result, we recorded a discrete benefit of $1.7 million related to 2012 during the nine month period ended September 28, 2013.

Liquidity and Capital Resources

At September 28, 2013, our principal sources of liquidity were cash and cash equivalents totaling $139.7 million, short-term investments of $16.9 million and accounts receivable of $54.0 million.

We manufacture and distribute our products through contract manufacturers and third-party logistics providers. We believe that this approach gives us the advantages of relatively low capital investment and significant flexibility in scheduling

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production and managing inventory levels. By leasing our office facilities, we also minimize the cash needed for expansion. Accordingly, our capital spending is generally limited to leasehold improvements, computers, office furniture, product-specific production tooling, internal use software and test equipment. In the nine months ended September 28, 2013 and September 29, 2012, we spent $5.3 million and $4.1 million, respectively, on capital equipment.

Our strategy for delivering home robots products to our distributors and retail customers gives us the flexibility to provide container shipments directly to the retailer from China and, alternatively, allows our distributors and retail partners to take possession of product on a domestic basis. Accordingly, our home robots product inventory consists of goods shipped to our third-party logistics providers for the fulfillment of distributor, retail and direct-to-consumer sales. Our inventory of defense and security and remote presence products consists of finished goods inventory that is generally built to order, as well as spare parts. Our contract manufacturers are responsible for purchasing and stocking the majority of components required for the production of our products, and they typically invoice us when the finished goods are shipped.

The balance of cash and short-term investments of $156.7 million at September 28, 2013 is primarily the result of cash generated by operations and our on-going focus on managing working capital. As of September 28, 2013, we did not have any borrowings outstanding under our working capital line of credit and had $1.4 million in letters of credit outstanding under our revolving letter of credit facility.

Discussion of Cash Flows

Net cash provided by operating activities for the nine months ended September 28, 2013 was $10.8 million, a decrease of $0.5 million compared to the $11.3 million of net cash provided by operating activities for the nine months ended September 29, 2012. The decrease in net cash provided by operating activities was primarily driven by a decrease in cash of $15.6 million resulting from an increase in accounts receivable and unbilled revenue of $25.0 million in 2013 compared to an increase of $9.4 million in 2012 as a result of the timing of revenue and the corresponding cash receipts, a decrease in cash of $10.4 million resulting from an increase in inventory of $11.9 million in 2013 compared to an increase of $1.5 million in 2012 as a result of an increase in 2013 inventory requirements in support of new product introductions and significant growth in the domestic Home Robots business, offset by an increase in cash of $12.4 million resulting from an increase in accounts payable and accrued expenses of $3.9 million in 2013 compared to a decrease of $8.5 million in 2012 as a result of normal purchasing and vendor payment activities, an increase in cash of $11.8 million resulting from an increase in accrued compensation of $3.0 million in 2013 compared to a decrease of $8.8 million in 2012 as a result of a smaller incentive compensation payout and a larger incentive compensation accrual in 2013 compared to 2012, and an increase in cash of $1.2 million resulting from net income of $24.5 million in 2013 compared to net income of $23.2 million in 2012.

Net cash used in investing activities for the nine months ended September 28, 2013 was $11.5 million, a decrease of $1.2 million compared to the $12.7 million of net cash used in investing activities for the nine months ended September 29, 2012. Capital additions were $5.3 million and $4.1 million for the nine months ended September 28, 2013 and September 29, 2012, respectively. Cash used for strategic investments was $2.0 million and $6.0 million for the nine months ended September 28, 2013 and September 29, 2012, respectively. The $2.0 million used in 2013 represents an additional investment in the preferred shares of InTouch Technologies, Inc. compared to our initial investment of $6.0 million in 2012. Partially offsetting the capital spending and strategic investments was $0.7 million of proceeds from the disposition of certain of our Maritime assets. The net purchase of investments was $4.9 million for nine months ended September 28, 2013 and $2.6 million for the nine months ended September 29, 2012. This activity varies from period to period based upon the maturity dates of our investments, yields on the types of short instruments in which we invest, and the level of cash available for investment.

Net cash provided by financing activities for the nine months ended September 28, 2013 was $13.7 million, an increase of $9.0 million compared to the $4.7 million of net cash provided by financing activities for the nine months ended September 29, 2012. We generated $12.4 million and $4.0 million from the exercise of stock options during the nine months ended September 28, 2013 and September 29, 2012, respectively. We generated $2.2 million and $1.5 million of tax benefits from excess stock-based compensation deductions during the nine months ended September 28, 2013 and September 29, 2012, respectively. We spent $0.9 million and $0.8 million in the payment of income tax withholdings associated with restricted stock vesting during the nine months ended September 28, 2013 and September 29, 2012, respectively.

Working Capital Facilities

Credit Facility

We have an unsecured revolving credit facility with Bank of America, N.A., which is available to fund working capital and other corporate purposes. As of September 28, 2013, the total amount available for borrowing under our credit facility was $75.0 million, and the full amount was available for borrowing. The interest on loans under our credit facility accrues at a rate between LIBOR plus 1% and LIBOR plus 1.5%, based on our ratio of indebtedness to Adjusted EBITDA, and the credit facility termination date is June 30, 2014.

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As of September 28, 2013, we had no outstanding borrowings under our working capital line of credit. This credit facility contains customary terms and conditions for credit facilities of this type, including restrictions on our ability to incur or guaranty additional indebtedness, create liens, enter into transactions with affiliates, make loans or investments, sell assets, pay dividends or make distributions on, or repurchase, our stock, and consolidate or merge with other entities.

In addition, we are required to meet certain financial covenants customary with this type of agreement, including maintaining a minimum specified consolidated net worth, a minimum ratio of indebtedness to Adjusted EBITDA, and a minimum specified interest coverage ratio.

This credit facility contains customary events of default, including for payment defaults, breaches of representations, breaches of affirmative or negative covenants, cross defaults to other material indebtedness, bankruptcy and failure to discharge certain judgments. If a default occurs and is not cured within any applicable cure period or is not waived, our obligations under the credit facility may be accelerated.

As of September 28, 2013, we were in compliance with all covenants under the revolving credit facility.

Letter of Credit Facility

We have a revolving letter of credit facility with Bank of America, N.A. which is available to fund letters of credit on our behalf up to an aggregate outstanding amount of $5 million. We may terminate at any time, subject to proper notice, or from time to time permanently reduce the amount of the credit facility. Earlier this year, we amended the credit facility to extend the maturity date for letters of credit issued under the credit facility.

We pay a fee on outstanding letters of credit issued under the credit facility at a rate between LIBOR plus 1% and LIBOR plus 1.5% per annum, based on our ratio of indebtedness to Adjusted EBITDA. In addition, we pay a fee equal to 0.25% per annum of the actual daily amount by which the credit facility exceeds the aggregate undrawn amount of all outstanding letters of credit under the credit facility plus the aggregate of all unreimbursed drawings under all letters of credit under the credit facility. The maturity date for letters of credit issued under the credit facility currently must be no later than seven days prior to January 15, 2018.

As of September 28, 2013, we had letters of credit outstanding of $1.4 million under our revolving letter of credit facility. The credit facility contains customary terms and conditions for credit facilities of this type, including restrictions on our ability to incur or guaranty additional indebtedness, create liens, enter into transactions with affiliates, make loans or investments, sell assets, pay dividends or make distributions on, or repurchase, its stock, and consolidate or merge with other entities. In addition, we are required to meet certain financial covenants customary with this type of agreement, including maintaining a minimum specified consolidated net worth, a minimum ratio of indebtedness to Adjusted EBITDA and a minimum specified ratio of EBIT to interest expense.

The credit facility also contains customary events of default, including for payment defaults, breaches of representations, breaches of affirmative or negative covenants, cross defaults to other material indebtedness, bankruptcy, and failure to discharge certain judgments. If a default occurs and is not cured within any applicable cure period or is not waived, the lender may accelerate the obligations under the credit facility.

As of September 28, 2013, we were in compliance with all covenants under the revolving letter of credit facility.

Working Capital and Capital Expenditure Needs

We currently have no material cash commitments, except for normal recurring trade payables, expense accruals and operating leases, all of which we anticipate funding through working capital, funds provided by operating activities and our existing working capital line of credit. We do not currently anticipate significant investment in property, plant and equipment, and we believe that our outsourced approach to manufacturing provides us with flexibility in both managing inventory levels and financing our inventory. We believe our existing cash and cash equivalents, short-term investments, cash provided by operating activities, and funds available through our working capital line of credit will be sufficient to meet our working capital and capital expenditure needs over at least the next twelve months. In the event that our revenue plan does not meet our expectations, we may eliminate or curtail expenditures to mitigate the impact on our working capital. Our future capital requirements will depend on many factors, including our rate of revenue growth, the expansion of our marketing and sales activities, the timing and extent of spending to support product development efforts, the timing of introductions of new products and enhancements to existing products, the acquisition of new capabilities or technologies, and the continuing market acceptance of our products and services. Moreover, to the extent that existing cash and cash equivalents, short-term investments, cash from operations, and cash from short-term borrowing are insufficient to fund our future activities, we may need to raise additional funds through public or private equity or debt financing. As part of our business strategy, we may consider additional acquisitions of companies, technologies and products, which could also require us to seek additional equity or debt financing. Additional funds may not be available on terms favorable to us or at all.

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Contractual Obligations

We generally do not enter into binding purchase commitments. Our principal commitments consist of obligations under our working capital line of credit, leases for office space and minimum contractual obligations for services and certain components. Our minimum contractual obligations consist of obligations to key component suppliers for our home robots, which payments are incurred in the ordinary course of business. Other obligations consist of advertising agreements for corporate branding.

Off-Balance Sheet Arrangements

As of September 28, 2013, we had no off-balance sheet arrangements as defined in Item 303(a)(4) of Regulation S-K.

Recently Issued Accounting Pronouncements

See Footnote 2 to the Consolidated Financial Statements for a discussion of recently issued accounting pronouncements.

Item 3. Quantitative and Qualitative Disclosure About Market Risk

Interest Rate Sensitivity

At September 28, 2013, we had unrestricted cash and cash equivalents of $139.7 million and short term investments of $16.9 million. The unrestricted cash and cash equivalents are held for working capital purposes. We do not enter into investments for trading or speculative purposes. Some of the securities in which we invest, however, may be subject to market risk. This means that a change in prevailing interest rates may cause the fair market value of the investment to fluctuate. To minimize this risk in the future, we intend to maintain our portfolio of cash equivalents in a variety of securities, commercial paper, money market funds, debt securities and certificates of deposit. Due to the short-term nature of these investments, we believe that we do not have any material exposure to changes in the fair value of our investment portfolio as a result of changes in interest rates. As of September 28, 2013, all of our cash and cash equivalents were held in demand deposits and money market accounts.

Our exposure to market risk also relates to the increase or decrease in the amount of interest expense we must pay on any outstanding debt instruments, primarily certain borrowings under our working capital line of credit. The advances under the working capital line of credit bear a variable rate of interest determined as a function of the LIBOR rate at the time of the borrowing. As of September 28, 2013, we do not have any borrowings outstanding under our working capital line of credit. As of September 28, 2013, we had letters of credit outstanding of $1.4 million under our revolving letter of credit facility.

Exchange Rate Sensitivity

We maintain sales and business operations in foreign countries. As such, we have exposure to adverse changes in exchange rates associated with operating expenses of our foreign operations, but we believe this exposure to be immaterial. Additionally, we accept orders for home robots products in currencies other than the U.S. dollar. We regularly monitor the level of non-U.S. dollar accounts receivable balances to determine if any actions, including possibly entering into foreign currency forward contracts, should be taken to minimize the impact of fluctuating exchange rates on our results of operations. Our international revenue is primarily denominated in U.S. dollars and therefore any fluctuations in the Euro, Japanese Yen or any other non-U.S. dollar currencies will have minimal direct impact on our international revenue. However, as the U.S. dollar strengthens or weakens against other currencies, our international distributors may be impacted, which could affect their profitability and our ability to maintain current pricing levels on our international consumer products.

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Item 4. Controls and Procedures

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures (as defined in Rule 13a-15(e) of the Securities Exchange Act of 1934, as amended, or the Exchange Act) as of the end of the period covered by this report. Based on that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures as of the end of the period covered by this report were effective at a reasonable assurance level in ensuring that information required to be disclosed by us in reports that we file or submit under the Exchange Act (i) is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms; and (ii) accumulated and communicated to management, including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely discussions regarding required disclosure. We believe that a control system, no matter how well designed and operated, cannot provide absolute assurance that the objectives of the control system are met, and no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within a company have been detected.

There was no change in our internal control over financial reporting (as defined in Rule 13a-15(f) of the Exchange Act) that occurred during the period covered by this report that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

Part II. Other Information

Item 1. Legal Proceedings

From time to time and in the ordinary course of business, we are subject to various claims, charges and litigation. The outcome of litigation cannot be predicted with certainty and some lawsuits, claims or proceedings may be disposed of unfavorably to us, which could materially affect our financial condition or results of operations.

Item 1A. Risk Factors

We operate in a rapidly changing environment that involves a number of risks that could materially affect our business, financial condition or future results, some of which are beyond our control. In addition to the other information set forth in this report, the risks and uncertainties that we believe are most important for you to consider are discussed in Part I, “Item 1A. Risk Factors” in our Annual Report on Form 10-K for the year ended December 29, 2012, which could materially affect our business, financial condition or future results. Additional risks and uncertainties not presently known to us, which we currently deem immaterial or which are similar to those faced by other companies in our industry or business in general, may also impair our business operations. There are no material changes to the Risk Factors described in our Annual Report on Form 10-K for the fiscal year ended December 29, 2012.

Item 5. Other Information

Our policy governing transactions in our securities by our directors, officers, and employees permits our officers, directors, funds affiliated with our directors, and certain other persons to enter into trading plans complying with Rule 10b5-l under the Securities Exchange Act of 1934, as amended. We have been advised that certain of our officers and directors (including Colin Angle, Chief Executive Officer, Jeffrey Beck, Chief Operating Officer, Russell Campanello, Senior Vice President of Human Resources, Alison Dean, Executive Vice President and Chief Financial Officer, and Glen Weinstein, Executive Vice President and Chief Legal Officer) have entered into trading plans (each a “Plan” and collectively, the “Plans”) covering periods after the date of this quarterly report on Form 10-Q in accordance with Rule 10b5-l and our policy governing transactions in our securities. Generally, under these trading plans, the individual relinquishes control over the transactions once the trading plan is put into place. Accordingly, sales under these plans may occur at any time, including possibly before, simultaneously with, or immediately after significant events involving our company.

We anticipate that, as permitted by Rule 10b5-l and our policy governing transactions in our securities, some or all of our officers, directors and employees may establish trading plans in the future. We intend to disclose the names of our executive officers and directors who establish a trading plan in compliance with Rule 10b5-l and the requirements of our policy governing transactions in our securities in our future quarterly and annual reports on Form 10-Q and 10-K filed with the Securities and Exchange Commission. We, however, undertake no obligation to update or revise the information provided herein.

29

Item 6. Exhibits

Exhibit Number	Description
10.1*	Third Amendment to Reimbursement Agreement between the Registrant and Bank of America, N.A. dated February 29, 2012
10.2*	Fourth Amendment to Reimbursement Agreement between the Registrant and Bank of America, N.A. dated January 15, 2013
31.1*	Certification Pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934
31.2*	Certification Pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934
32.1**	Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101*	The following materials from the Registrant’s Quarterly Report on Form 10-Q for the quarter ended September 28, 2013 formatted in XBRL (eXtensible Business Reporting Language): (i) the Consolidated Balance Sheets, (ii) the Consolidated Statements of Income, (iii) the Consolidated Statements of Comprehensive Income, (iv) the Consolidated Statements of Cash Flows, and (v) related notes to these financial statements

 __________________________

*	Filed herewith
**	Furnished herewith

30

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.

	iROBOT CORPORATION
Date: November 1, 2013	By:	/s/ Alison Dean
		Alison Dean
		Executive Vice President and Chief Financial Officer (Duly Authorized Officer and Principal Financial Officer)

31

EXHIBIT INDEX

Exhibit Number	Description
10.1*	Third Amendment to Reimbursement Agreement between the Registrant and Bank of America, N.A. dated February 29, 2012
10.2*	Fourth Amendment to Reimbursement Agreement between the Registrant and Bank of America, N.A. dated January 15, 2013
31.1*	Certification Pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934
31.2*	Certification Pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934
32.1**	Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101*	The following materials from the Registrant’s Quarterly Report on Form 10-Q for the quarter ended September 28, 2013 formatted in XBRL (eXtensible Business Reporting Language): (i) the Consolidated Balance Sheets, (ii) the Consolidated Statements of Income, (iii) the Consolidated Statements of Comprehensive Income, (iv) the Consolidated Statements of Cash Flows, and (v) related notes to these financial statements

 __________________________

*	Filed herewith
**	Furnished herewith

32

EX-10.1

THIRD AMENDMENT TO REIMBURSEMENT AGREEMENT

This Third Amendment to Reimbursement Agreement (the “Third Amendment”) is made as of the 29th day of February, 2012 by and between Bank of America, N.A. (the “Lender”), a national banking association with offices at 100 Federal Street, Boston, Massachusetts 02110 and iRobot Corporation, a Delaware corporation with its principal place of business at 8 Crosby Drive, Bedford, Massachusetts 01730 (the “Borrower”) in consideration of the mutual covenants contained herein and benefits to be derived herefrom:

W I T N E S S E T H

WHEREAS, the Lender and the Borrower, have entered into a certain loan arrangement, which loan arrangement is evidenced by, among other documents and instruments, a certain Reimbursement Agreement dated January 4, 2011 (as amended, the “Agreement”);

WHEREAS, Borrower and the Lender have agreed to amend certain terms and provisions of the Agreement all as set forth herein.

NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the Lender and the Borrower hereby agree as follows:

1.All capitalized terms not otherwise defined herein shall have the same meaning as defined in the Agreement.

2.The following definitions are added to Section 1.01 of the Agreement in alphabetical order:

“Alternative Currency” means each of Euro, Sterling, Yen, Rupees and each other currency (other than Dollars) that is approved in accordance with Section 1.08.

“Alternative Currency Equivalent” means, at any time, with respect to any amount denominated in Dollars, the equivalent amount thereof in the applicable Alternative Currency as determined by the Lender at such time on the basis of the Spot Rate (determined in respect of the most recent Revaluation Date) for the purchase of such Alternative Currency with Dollars.

“Applicable Time” means, with respect to any borrowings and payments in any Alternative Currency, the local time in the place of settlement for such Alternative Currency as may be determined by the Lender to be necessary for timely settlement on the relevant date in accordance with normal banking procedures in the place of payment.

“Dollar Equivalent” means, at any time, (a) with respect to any amount denominated in Dollars, such amount, and (b) with respect to any amount denominated in any Alternative Currency, the equivalent amount thereof in Dollars as determined by the Lender, at such time on the basis of the Spot Rate (determined in respect of the most recent Revaluation Date) for the purchase of Dollars with such Alternative Currency.

“EMU Legislation” means the legislative measures of the European Council for the introduction of, changeover to or operation of a single or unified European currency.

“Euro” and “EUR” mean the lawful currency of the Participating Member States introduced in accordance with the EMU Legislation.

1

Participating Member State” means each state so described in any EMU Legislation.

“Revaluation Date” means with respect to any Letter of Credit, each of the following: (i) each date of issuance of a Letter of Credit denominated in an Alternative Currency, (ii) each date of an amendment of any such Letter of Credit having the effect of increasing the amount thereof (solely with respect to the increased amount), (iii) each date of any payment by the Lender under any Letter of Credit denominated in an Alternative Currency, and (iv) such additional dates as the Lender shall determine.

“Rupees” means the lawful currency of the Republic of India.

“Spot Rate” for a currency means the rate determined by the Lender to be the rate quoted by the Person acting in such capacity as the spot rate for the purchase by such Person of such currency with another currency through its principal foreign exchange trading office at approximately 11:00 a.m. on the date two Business Days prior to the date as of which the foreign exchange computation is made; provided that the Lender may obtain such spot rate from another financial institution designated by the Lender if the Person acting in such capacity does not have as of the date of determination a spot buying rate for any such currency; and providedfurther that the Lender may use such spot rate quoted on the date as of which the foreign exchange computation is made in the case of any Letter of Credit denominated in an Alternative Currency.

“Sterling” and “£” mean the lawful currency of the United Kingdom.

“Yen” means the lawful currency of Japan.

3.The following definitions in Section 1.01 of the Agreement are supplemented as follows:

The definition of “L/C Borrowings” is hereby supplemented by adding the following sentence at the end of the definition:

“All L/C Borrowings shall be denominated in Dollars.”

The definition of “Letters of Credit” is hereby supplemented by adding the following sentence at the end of the definition:

“Letters of Credit may be issued in Dollars or in an Alternative Currency.”

4.Section 1.06 of the Agreement is hereby deleted in its entirety and replaced with the following:

1.06 Exchange Rates; Currency Equivalents.

(a)The Lender shall determine the Spot Rates as of each Revaluation Date to be used for calculating Dollar Equivalent amounts of L/C Credit Extensions and Outstanding Amounts denominated in Alternative Currencies. Such Spot Rates shall become effective as of such Revaluation Date and shall be the Spot Rates employed in converting any amounts between the applicable currencies until the next Revaluation Date to occur. Except for purposes of financial statements delivered by the Borrower

2

hereunder or calculating financial covenants hereunder or except as otherwise provided herein, the applicable amount of any currency (other than Dollars) for purposes of the Loan Documents shall be such Dollar Equivalent amount as so determined by the Lender.

(b)Wherever in this Agreement in connection with the issuance, amendment or extension of a Letter of Credit, an amount, such as a required minimum or multiple amount, is expressed in Dollars, but such Letter of Credit is denominated in an Alternative Currency, such amount shall be the relevant Alternative Currency Equivalent of such Dollar amount (rounded to the nearest unit of such Alternative Currency, with 0.5 of a unit being rounded upward), as determined by the Lender.

1.07 Additional Alternative Currencies. The Borrower may from time to time request that Letters of Credit be issued in a currency other than those specifically listed in the definition of “Alternative Currency;” provided that such requested currency is a lawful currency (other than Dollars) that is readily available and freely transferable and convertible into Dollars. In the case of any such request with respect to the issuance of Letters of Credit, such request shall be subject to the approval of the Lender.

b.Any such request shall be made to the Lender not later than 11:00 a.m., 20 Business Days prior to the date of the desired L/C Credit Extension (or such other time or date as may be agreed by the Lender, in its sole discretion).

c.Any failure by Lender to respond to such request within the time period specified in the preceding sentence shall be deemed to be a refusal by Lender to permit Letters of Credit to be issued in such requested currency. If the Lender consents to the issuance of Letters of Credit in such requested currency, the Lender shall so notify the Borrower and such currency shall thereupon be deemed for all purposes to be an Alternative Currency hereunder for purposes of any Letter of Credit issuances by the approving L/C Issuer. If the Lender shall fail to obtain consent to any request for an additional currency under this Section 1.07, the Lender shall promptly so notify the Borrower.

1.08 Change of Currency. Each obligation of the Borrower to make a payment denominated in the national currency unit of any member state of the European Union that adopts the Euro as its lawful currency after the date hereof shall be redenominated into Euro at the time of such adoption (in accordance with the EMU Legislation). If, in relation to the currency of any such member state, the basis of accrual of interest expressed in this Agreement in respect of that currency shall be inconsistent with any convention or practice in the London interbank market for the basis of accrual of interest in respect of the Euro, such expressed basis shall be replaced by such convention or practice with effect from the date on which such member state adopts the Euro as its lawful currency.

b.Each provision of this Agreement shall be subject to such reasonable changes of construction as the Lender may from time to time specify to be appropriate to reflect the adoption or abandonment of the Euro by any member state of the European Union and any relevant market conventions or practices relating to the Euro.

3

c.Each provision of this Agreement also shall be subject to such reasonable changes of construction as the Lender may from time to time specify to be appropriate to reflect a change in currency of any other country and any relevant market conventions or practices relating to the change in currency.

1.09 Letter of Credit Amounts. Unless otherwise specified herein, the amount of a Letter of Credit at any time shall be deemed to be the Dollar Equivalent of the stated amount of such Letter of Credit in effect at such time; provided, however, that with respect to any Letter of Credit that, by its terms or the terms of any Letter of Credit Application related thereto, provides for one or more automatic increases in the stated amount thereof, the amount of such Letter of Credit shall be deemed to be the Dollar Equivalent of the maximum stated amount of such Letter of Credit after giving effect to all such increases, whether or not such maximum stated amount is in effect at such time.

5.Section 2.01(a)(ii)(E) of the Agreement is hereby deleted in its entirety and replaced with the following:

“(E)except as otherwise agreed by the Lender, such Letter of Credit is to be denominated in a currency other than Dollars or an Alternative Currency or Lender does not as of the issuance date of such requested Letter of Credit issue Letters of Credit in the requested currency; or”

6.Section 2.01(c)(i) of the Agreement is hereby deleted and replaced with the following:

(i)Upon receipt from the beneficiary of any Letter of Credit of any notice of a drawing under such Letter of Credit, the Lender shall notify the Borrower thereof. In the case of a Letter of Credit denominated in an Alternative Currency, the Borrower shall reimburse the Lender in such Alternative Currency, unless (A) the Lender (at its option) shall have specified in such notice that it will require reimbursement in Dollars, or (B) in the absence of any such requirement for reimbursement in Dollars, the Borrower shall have notified the Lender promptly following receipt of the notice of drawing that the Borrower will reimburse the Lender in Dollars. In the case of any such reimbursement in Dollars of a drawing under a Letter of Credit denominated in an Alternative Currency, the Lender shall notify the Borrower of the Dollar Equivalent of the amount of the drawing promptly following the determination thereof. Not later than 11:00 a.m. on the date of any payment by the Lender under a Letter of Credit to be reimbursed in Dollars, or the Applicable Time on the date of any payment by the Lender under a Letter of Credit to be reimbursed in an Alternative Currency (each such date, an “Honor Date”), the Borrower shall reimburse the Lender in an amount equal to the amount of such drawing and in the applicable currency. If the Borrower fails to so reimburse the Lender, the Borrower shall be deemed to have requested a borrowing (the “L/C Borrowing”) of a Base Rate Loan to be disbursed on the Honor Date in an amount equal to the amount of such unreimbursed drawing, subject to the amount of the unutilized portion of the Commitment and the conditions set forth in Section 4.02.

7.Section 2.01(d) of the Agreement is hereby supplemented by adding the following subsection (vi) after subsection (v):

4

“or; (vii)any adverse change in the relevant exchange rates or in the availability of the relevant Alternative Currency to the Borrower or any Subsidiary or in the relevant currency markets generally.”

8.Section 4.02 of the Agreement is hereby supplemented by adding the following subsection (d) after subsection (c):

“(d)In the case of a L/C Credit Extension to be denominated in an Alternative Currency, there shall not have occurred any change in national or international financial, political or economic conditions or currency exchange rates or exchange controls which in the reasonable opinion of the Lender would make it impracticable for such L/C Credit Extension to be denominated in the relevant Alternative Currency.”

9.Except as expressly amended hereby, the remaining terms and conditions of the Agreement and all documents and instruments executed in connection therewith are hereby expressly ratified and confirmed.

10.The Borrower acknowledges and agrees that it has no claims, counterclaims, off-sets, defenses or causes of action against the Lender through the date of this Third Amendment with respect to amounts outstanding under the Agreement. To the extent such claims, counterclaims, off-sets, defenses and/or causes of action should exist, whether known or unknown, at law or in equity, the Borrower hereby WAIVES same and RELEASES the Lender from any and all liability in connection therewith.

11.Miscellaneous.

a.The Borrower shall execute and deliver to the Lender such additional documents, instruments, and agreements that the Lender may reasonably require in order to give effect to, and implement the terms and conditions of this Third Amendment.

b.This Third Amendment may be executed in several counterparts and by each party on a separate counterpart, each of which when so executed and delivered shall be an original and all of which together shall constitute one instrument.

c.This Third Amendment expresses the entire understanding of the parties with respect to the transactions contemplated hereby. No prior negotiations or discussions shall limit, modify, or otherwise affect the provision hereof.

d.The Borrower shall pay on demand all reasonable documented costs and expenses of the Lender including, without limitation, reasonable documented attorneys’ fees in connection with the preparation, negotiation, execution and delivery of the Third Amendment.

12.It is intended that this Third Amendment take effect as an instrument under seal as of the date first written above.

5

Witnessed by: /s/ Paul Tavalone________________ IROBOT CORPORATION By: /s/ John Leahy____________________ Name: John Leahy Title: EVP, Chief Financial Officer

(signatures continued on next page)

6

BANK OF AMERICA, N.A.

By:/s/ Scott Vokey

Name: Scott W. Vokey

Title: Senior Vice President

7

EX-10.2

FOURTH AMENDMENT TO REIMBURSEMENT AGREEMENT

This Fourth Amendment to Reimbursement Agreement (the “Fourth Amendment”) is made as of the 15th day of January, 2013 by and between Bank of America, N.A. (the “Lender”), a national banking association with offices at 100 Federal Street, Boston, Massachusetts 02110 and iRobot Corporation, a Delaware corporation with its principal place of business at 8 Crosby Drive, Bedford, Massachusetts 01730 (the “Borrower”) in consideration of the mutual covenants contained herein and benefits to be derived herefrom:

W I T N E S S E T H

WHEREAS, the Lender and the Borrower, have entered into a certain loan arrangement, which loan arrangement is evidenced by, among other documents and instruments, a certain Reimbursement Agreement dated January 4, 2011 (as amended, the “Agreement”);

WHEREAS, Borrower and the Lender have agreed to amend certain terms and provisions of the Agreement all as set forth herein.

NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the Lender and the Borrower hereby agree as follows:

1.All capitalized terms not otherwise defined herein shall have the same meaning as defined in the Agreement.

2.The following definition in Section 1.01 of the Agreement is hereby deleted in its entirety and replaced as indicated below:

““Maturity Date” means January 15, 2018.”

3.Except as expressly amended hereby, the remaining terms and conditions of the Agreement and all documents and instruments executed in connection therewith are hereby expressly ratified and confirmed.

4.The Borrower acknowledges and agrees that it has no claims, counterclaims, off-sets, defenses or causes of action against the Lender through the date of this Fourth Amendment with respect to amounts outstanding under the Agreement. To the extent such claims, counterclaims, off-sets, defenses and/or causes of action should exist, whether known or unknown, at law or in equity, the Borrower hereby WAIVES same and RELEASES the Lender from any and all liability in connection therewith.

5.Miscellaneous.

a.The Borrower shall execute and deliver to the Lender such additional documents, instruments, and agreements that the Lender may reasonably require in order to give effect to, and implement the terms and conditions of this Fourth Amendment.

b.This Fourth Amendment may be executed in several counterparts and by each party on a separate counterpart, each of which when so executed and delivered shall be an original and all of which together shall constitute one instrument.

1

c.This Fourth Amendment expresses the entire understanding of the parties with respect to the transactions contemplated hereby. No prior negotiations or discussions shall limit, modify, or otherwise affect the provision hereof.

d.The Borrower shall pay on demand all reasonable documented costs and expenses of the Lender including, without limitation, reasonable documented attorneys’ fees in connection with the preparation, negotiation, execution and delivery of the Fourth Amendment.

6.It is intended that this Fourth Amendment take effect as an instrument under seal as of the date first written above.

Witnessed by: /s/ Paul Tavalone________ IROBOT CORPORATION By:_/s/ John Leahy______________ Name: John Leahy Title: EVP, Chief Financial Officer

(signatures continued on next page)

2

BANK OF AMERICA, N.A.

By:__/s/ Scott W. Vokey_____________

Name: Scott W. Vokey

Title: Senior Vice President

3

EX-31.1

Exhibit 31.1

Certifications

I, Colin M. Angle, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of iRobot Corporation;

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: November 1, 2013	/s/ COLIN M. ANGLE
	Colin M. Angle Chairman of the Board and Chief Executive Officer

33

EX-31.2

Exhibit 31.2

Certifications

I, Alison Dean, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of iRobot Corporation;

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: November 1, 2013	/s/ ALISON DEAN
	Alison Dean Chief Financial Officer

34

EX-32.1

Exhibit 32.1

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 on Form 10-Q of iRobot Corporation (the “Company”) for the period ended September 28, 2013 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), we, Colin M. Angle, the Chief Executive Officer of the Company and Alison Dean, the Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to our knowledge, that:

(1) the Report fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

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

This certification is being provided pursuant to 18 U.S.C. 1350 and is not to be deemed a part of the Report, nor is it to be deemed to be “filed” for any purpose whatsoever.

Date: November 1, 2013	/s/ COLIN M. ANGLE
	Colin M. Angle Chairman of the Board and Chief Executive Officer
Date: November 1, 2013	/s/ ALISON DEAN
	Alison Dean Chief Financial Officer

35

XML

Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 28, 2013

Accounting Policies [Abstract]

Basic and Diluted Net Income Per Share

The following table presents the calculation of both basic and diluted net income per share:

	Three Months Ended				Nine Months Ended
	(In thousands, except per share amounts)
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Net income	$	7,804	$	15,207	$	24,453	$	23,235
Weighted-average shares outstanding	28,733		27,650		28,359		27,520
Dilutive effect of employee stock options and restricted shares	849		671		848		803
Diluted weighted-average shares outstanding	29,582		28,321		29,207		28,323
Basic income per share	$	0.27	$	0.55	$	0.86	$	0.84
Diluted income per share	$	0.26	$	0.54	$	0.84	$	0.82

Fair Value Assets Measured on Recurring Basis

The Company’s financial assets measured at fair value on a recurring basis at September 28, 2013, were as follows:

	Fair Value Measurements as of September 28, 2013
	Level 1		Level 2		Level 3
	(In thousands)
Description
Assets:
Money market funds	$	83,822	$	—	$	—
Corporate and government bonds	—		16,948		—
Total assets measured at fair value	$	83,822	$	16,948	$	—

The Company’s financial assets measured at fair value on a recurring basis at December 29, 2012, were as follows:

	Fair Value Measurements as of December 29, 2012
	Level 1		Level 2		Level 3
	(In thousands)
Description
Assets:
Money market funds	$	88,144	$	—	$	—
Corporate bonds	—		12,430		—
Total assets measured at fair value	$	88,144	$	12,430	$	—

Fair Value Measurements, Nonrecurring [Table Text Block]

XML

Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013		Sep. 29, 2012
Revenue:
Product revenue	$ 122,647	$ 121,174	$ 352,018		$ 320,676
Contract revenue	1,854	5,124	9,040		14,874
Total revenue	124,501	126,298	361,058		335,550
Cost of revenue:
Cost of product revenue	69,628	65,852	195,316	[1]	179,174	[1]
Cost of contract revenue	812	1,970	3,549		6,532
Total cost of revenue	70,440	67,822	198,865		185,706
Gross margin	54,061	58,476	162,193		149,844
Operating expenses:
Research and development	15,212	13,040	45,617	[1]	41,722	[1]
Selling and marketing	16,317	11,376	49,323	[1]	41,685	[1]
General and administrative	11,495	11,326	39,348	[1]	32,390	[1]
Total operating expenses	43,024	35,742	134,288		115,797
Operating income	11,037	22,734	27,905		34,047
Other income (expense), net	152	197	(49)		477
Income before income taxes	11,189	22,931	27,856		34,524
Income tax expense	3,385	7,724	3,403		11,289
Net income	7,804	15,207	24,453		23,235
Net income per share
Basic, in dollars per share	$ 0.27	$ 0.55	$ 0.86		$ 0.84
Diluted, in dollars per share	$ 0.26	$ 0.54	$ 0.84		$ 0.82
Number of shares used in calculations per share
Basic, in shares	28,733	27,650	28,359		27,520
Diluted, in shares	29,582	28,321	29,207		28,323
Total stock-based compensation recorded in the three months ended March 30, 2013 and March 31, 2012 included in the above figures breaks down by expense classification as follows:
Stock based compensation			9,669		8,023
Cost of product revenue
Total stock-based compensation recorded in the three months ended March 30, 2013 and March 31, 2012 included in the above figures breaks down by expense classification as follows:
Stock based compensation	250	289	496		715
Research and development
Total stock-based compensation recorded in the three months ended March 30, 2013 and March 31, 2012 included in the above figures breaks down by expense classification as follows:
Stock based compensation	669	365	1,963		1,271
Selling and marketing
Total stock-based compensation recorded in the three months ended March 30, 2013 and March 31, 2012 included in the above figures breaks down by expense classification as follows:
Stock based compensation	348	158	832		574
General and administrative
Total stock-based compensation recorded in the three months ended March 30, 2013 and March 31, 2012 included in the above figures breaks down by expense classification as follows:
Stock based compensation	$ 2,210	$ 1,796	$ 6,378		$ 5,463

[1] Total stock-based compensation recorded in the three and nine months ended September 28, 2013 and September 29, 2012 included in the above figures breaks down by expense classification as follows: Three Months Ended Nine Months Ended September 28, 2013 September 29, 2012 September 28, 2013 September 29, 2012Cost of product revenue$250 $289 $496 $715Research and development669 365 1,963 1,271Selling and marketing348 158 832 574General and administrative2,210 1,796 6,378 5,463

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Stock Option Plans

9 Months Ended

Sep. 28, 2013

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

Stock Option Plans

4. Stock Option Plans

The Company has options outstanding under four stock incentive plans: the 1994 Stock Option Plan (the “1994 Plan”), the 2004 Stock Option and Incentive Plan (the “2004 Plan”), the 2005 Stock Option and Incentive Plan (the "2005 Plan") and the Evolution Robotics, Inc. 2007 Stock Plan (the "2007 Plan" and together with the 1994 Plan, the 2004 Plan and the 2005 Plan, the “Plans”). The 2005 Plan is the only one of the four plans under which new awards may currently be granted. Under the 2005 Plan, which became effective October 10, 2005, 1,583,682 shares were initially reserved for issuance in the form of incentive stock options, non-qualified stock options, stock appreciation rights, deferred stock awards and restricted stock awards. Additionally, the 2005 Plan provides that the number of shares reserved and available for issuance under the plan will automatically increase each January 1, beginning in 2007, by 4.5% of the outstanding number of shares of common stock on the immediately preceding December 31. Stock options returned to the Plans, with the exception of those issued under the 2007 Plan, as a result of their expiration, cancellation or termination are automatically made available for issuance under the 2005 Plan. Eligibility for incentive stock options is limited to those individuals whose employment status would qualify them for the tax treatment associated with incentive stock options in accordance with the Internal Revenue Code of 1986, as amended. As of September 28, 2013, there were 3,872,511 shares available for future grant under the 2005 Plan.

Options granted under the Plans are subject to terms and conditions as determined by the compensation committee of the board of directors, including vesting periods. Options granted under the Plans are exercisable in full at any time subsequent to vesting, generally vest over periods from zero to five years, and expire seven or ten years from the date of grant or, if earlier, 60 or 90 days from employee termination. The exercise price of incentive stock options is equal to the closing price on the NASDAQ Global Market on the date of grant. The exercise price of nonstatutory options may be set at a price other than the fair market value of the common stock.

On September 6, 2013, the Company granted to certain employees stock options totaling 31,600 shares of the Company's common stock and 74,490 restricted stock units. Each of the above stock options have a per share exercise price of $33.72, the closing price of the Company's common stock on NASDAQ on September 6, 2013. The stock options and restricted stock units generally vest over a four year period.

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Summary of Significant Accounting Policies - Revision (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 28, 2013
Quantifying Misstatement in Current Year Financial Statements, Amount	$ 0.6
Document Period End Date	Sep. 28, 2013
Other Current Assets [Member]
Quantifying Misstatement in Current Year Financial Statements, Amount	2.7
Other Assets [Member]
Quantifying Misstatement in Current Year Financial Statements, Amount	0.2
Accrued Liabilities [Member]
Quantifying Misstatement in Current Year Financial Statements, Amount	2.9
Other Liabilities [Member]
Quantifying Misstatement in Current Year Financial Statements, Amount	$ 0.4

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Inventory (Tables)

9 Months Ended

Sep. 28, 2013

Inventory Disclosure [Abstract]

Components of Inventory

Inventory consists of the following:

	September 28, 2013		December 29, 2012
	(In thousands)
Raw materials	$	5,754	$	8,849
Work in process	—		60
Finished goods	43,099		28,056
	$	48,853	$	36,965

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Industry Segment, Geographic Information and Significant Customers - Additional Information (Detail)	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of operating segments			2
Number of customer generating major revenues			2
Customer Concentration Risk [Member] | Government Contracts Concentration Risk [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration Risk, Percentage	2.00%	21.50%	5.70%	15.10%
Customer Concentration Risk [Member] | Customer Concentration Risk [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration Risk, Percentage	66.20%	51.90%	61.90%	59.10%
Customer Concentration Risk [Member] | International distributors of home robots products | Distributor One
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration Risk, Percentage	18.20%	16.60%	21.60%	16.90%
Customer Concentration Risk [Member] | International distributors of home robots products | Distributor Two
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration Risk, Percentage	17.10%	8.90%	13.30%	14.20%
Customer Concentration Risk [Member] | Customer Concentration Risk [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration Risk, Percentage	10.60%

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Summary of Significant Accounting Policies - Income Taxes (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Income Tax Disclosure [Abstract]
Tax provision	$ 3,385,000	$ 7,724,000	$ 3,403,000	$ 11,289,000
Effective income tax rate	30.30%	33.70%	12.20%	32.70%
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities			2,700,000
Income Tax Reconciliation, Tax Credits, Research			1,700,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ 700,000		$ 700,000

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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Thousands, except Share data in Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012	Dec. 29, 2012
Disclosure Summary Of Significant Accounting Policies Additional Information [Abstract]
Finite-Lived Intangible Assets, Gross	$ 31,500		$ 31,500		$ 31,500
Finite-Lived Intangible Assets, Net	$ 23,587		$ 23,587		$ 28,224
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0.1	0.9	0.7	0.7

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Commitments and Contingencies - Summary of Future Minimum Rental Payments under Operating Leases (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Commitments and Contingencies Disclosure [Abstract]
Rental expense under operating leases	$ 1,100,000	$ 1,000,000	$ 3,500,000	$ 3,200,000
Disclosure Summary Of Future Minimum Rental Payments Under Operating Leases [Abstract]
Remainder of 2013	842,000		842,000
2014	3,109,000		3,109,000
2015	3,040,000		3,040,000
2016	2,747,000		2,747,000
2017	2,505,000		2,505,000
Thereafter	5,682,000		5,682,000
Total minimum lease payments	$ 17,925,000		$ 17,925,000

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Goodwill, Other Intangible Assets and Other Assets - Other Intangible Assets (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012	Dec. 29, 2012
Finite-Lived Intangible Assets [Line Items]
Impairment of Intangible Assets, Finite-lived	$ 1,800,000
Finite-Lived Intangible Assets, Gross	31,500,000		31,500,000		31,500,000
Intangible assets accumulated amortization	6,125,000		6,125,000		3,276,000
Finite-lived intangible assets, accumulated impairment loss	1,788,000		1,788,000
Intangible Assets, Net	23,587,000		23,587,000		28,224,000
Amortization of Acquired Intangible Assets	919,000	92,500	2,800,000	277,500
Completed technology
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	30,600,000		30,600,000		30,600,000
Intangible assets accumulated amortization	5,291,000		5,291,000		2,468,000
Finite-lived intangible assets, accumulated impairment loss	1,788,000		1,788,000
Intangible Assets, Net	23,521,000		23,521,000		28,132,000
Research contracts
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	100,000		100,000		100,000
Intangible assets accumulated amortization	100,000		100,000		100,000
Finite-lived intangible assets, accumulated impairment loss	0		0
Intangible Assets, Net	0		0		0
Trade Names
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	800,000		800,000		800,000
Intangible assets accumulated amortization	734,000		734,000		708,000
Finite-lived intangible assets, accumulated impairment loss	0		0
Intangible Assets, Net	$ 66,000		$ 66,000		$ 92,000

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Inventory (Details) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 29, 2012
Inventory Disclosure [Abstract]
Inventory, Raw Materials, Net of Reserves	$ 5,754	$ 8,849
Inventory, Work in Process, Net of Reserves	0	60
Inventory, Finished Goods, Net of Reserves	43,099	28,056
Inventory	$ 48,853	$ 36,965

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Summary of Significant Accounting Policies - Basic and Diluted Net Income Per Share (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Schedule Of Computation Of Basic And Diluted Earnings Per Common Share [Line Items]
Document Period End Date	Sep. 28, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	100,000	900,000	700,000	700,000
Net income	$ 7,804	$ 15,207	$ 24,453	$ 23,235
Weighted-average shares outstanding	28,733,000	27,650,000	28,359,000	27,520,000
Dilutive effect of employee stock options and restricted shares	849,000	671,000	848,000	803,000
Diluted weighted-average shares outstanding	29,582,000	28,321,000	29,207,000	28,323,000
Basic income per share	$ 0.27	$ 0.55	$ 0.86	$ 0.84
Diluted income per share	$ 0.26	$ 0.54	$ 0.84	$ 0.82

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Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012
Cash flows from operating activities:
Net income	$ 24,453	$ 23,235
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,029	8,181
Loss on disposal of property and equipment	(351)	778
Goodwill and Intangible Asset Impairment	1,988	0
Stock-based compensation	9,669	8,023
Deferred income taxes, net	(662)	(2,855)
Tax benefit of excess stock based compensation deductions	(2,238)	(1,461)
Non-cash director deferred compensation	33	64
Changes in operating assets and liabilities - (use) source
Accounts receivable	(24,614)	(10,041)
Unbilled revenue	(360)	669
Inventory	(11,888)	(1,503)
Other assets	2,697	3,266
Accounts payable	4,129	(10,089)
Accrued expenses	(216)	1,596
Accrued compensation	3,004	(8,842)
Deferred revenue and customer advances	(4,231)	591
Long term liabilities	338	(315)
Net cash provided by operating activities	10,780	11,297
Cash flows from investing activities:
Additions of property and equipment	(5,309)	(4,067)
Payments for (Proceeds from) Other Investing Activities	2,000	6,000
Purchases of investments	(12,897)	(5,086)
Sales of investments	8,044	2,500
Proceeds from Sales of Assets, Investing Activities	650	0
Net cash used in investing activities	(11,512)	(12,653)
Cash flows from financing activities:
Proceeds from stock option exercises	12,364	4,022
Income tax withholding payment associated with restricted stock vesting	(909)	(777)
Tax benefit of excess stock-based compensation deductions	2,238	1,461
Net cash provided by financing activities	13,693	4,706
Net increase in cash and cash equivalents	12,961	3,350
Cash and cash equivalents, at beginning of period	126,770	166,308
Cash and cash equivalents, at end of period	139,731	169,658
Supplemental disclosure of cash flow information:
Cash paid for income taxes	$ 7,062	$ 7,166

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Summary of Significant Accounting Policies

9 Months Ended

Sep. 28, 2013

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

2. Summary of Significant Accounting Policies

Basis of Presentation

The accompanying consolidated financial statements include those of iRobot and its subsidiaries, after elimination of all intercompany accounts and transactions. iRobot has prepared the accompanying consolidated financial statements in conformity with accounting principles generally accepted in the United States of America.

The accompanying unaudited financial data as of September 28, 2013 and for the three and nine months ended September 28, 2013 and September 29, 2012 has been prepared by the Company pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States have been condensed or omitted pursuant to such rules and regulations. However, the Company believes that the disclosures are adequate to make the information presented not misleading. The year-end balance sheet data was derived from audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States. These consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto included in its Annual Report on Form 10-K for the fiscal year ended December 29, 2012, filed with the SEC on February 15, 2013.

In the opinion of management, all adjustments necessary to state fairly its statement of financial position as of September 28, 2013 and results of operations and cash flows for the periods ended September 28, 2013 and September 29, 2012 have been made. The results of operations and cash flows for any interim period are not necessarily indicative of the operating results and cash flows for the full fiscal year or any future periods.

Reorganization

In fiscal year 2012, the Company initiated a reorganization that resulted in, among other things, the centralization of all of the Company's engineering and operations activities. This reorganization was completed at the beginning of fiscal year 2013. In conjunction with this reorganization, the Company reviewed the financial statement classification of its costs and expenses. As a result of this review, the Company decided to classify certain expenses differently than had been classified and presented in prior periods to provide a more clear understanding of the Company's financial performance. As part of this review, the Company also evaluated the impact of the reorganization on its segment reporting and determined that certain modifications were necessary to present the segment information as now viewed by the Company's chief operating decision maker. Although the classification of certain expenses on the income statement has changed in fiscal year 2013 as compared to prior periods, the Company recast the financial results of prior periods in a manner consistent with the fiscal year 2013 presentation for comparability purposes. The reclassified amounts reflected in the consolidated statements of income for the three and nine months ended September 29, 2012 included herein conform to the fiscal year 2013 presentation. This reclassification of costs and expenses did not impact previously reported net income or earnings per share as the changes only impacted the categorization of costs within the consolidated statements of income for the periods in question. Consequently, the classification changes did not impact previously presented consolidated balance sheets, statements of cash flow or statements of stockholders' equity.

Revision of Consolidated Balance Sheet as of December 29, 2012

During the three month period ended March 30, 2013, the Company identified a classification error related to its reserves for uncertain tax positions on its December 29, 2012 consolidated balance sheet. The Company had recorded a gross income tax receivable in current assets and a gross uncertain tax positions liability against that receivable in current liabilities as of December 29, 2012. In addition, the Company misclassified certain liabilities for uncertain tax positions in current and long-term liabilities. The impact of the errors on the December 29, 2012 consolidated balance sheet was a decrease in Other Current Assets of $2.7 million, an increase in Other Assets of $0.2 million, a decrease in Accrued Expenses of $2.9 million, and an increase in Long-term Liabilities of $0.4 million. These adjustments were not considered to be material, individually or in the aggregate, to previously issued financial statements. The Company has revised its December 29, 2012 consolidated balance sheet to correct these errors as reflected herein. This revision had no impact on the consolidated statement of income, the consolidated statement of comprehensive income, or total cash flows from operating activities, investing activities, or financing activities.

Out of Period Adjustment

During the third quarter of 2013, the Company identified an immaterial error to previously reported depreciation expense due to the use of an incorrect useful life on a leasehold improvement asset. The recorded out of period adjustment to cost of revenue and operating expenses resulted in a $0.6 million increase in third quarter 2013 net income. The adjustment did not have a material impact on the reported financial position or results of operations for the quarter ended September 28, 2013. Additionally, had this adjustment been recorded in the prior periods to which it relates (fiscal 2011, 2012 and the six month period ended June 29, 2013), the impact would not have been material to the reported financial position or results of operations for those periods.

Use of Estimates

The preparation of these financial statements in conformity with accounting principles generally accepted in the United States requires the Company to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and disclosure of contingent assets and liabilities. On an ongoing basis, management evaluates these estimates and judgments, including those related to revenue recognition, sales returns, bad debts, warranty claims, inventory reserves, valuation of investments, assumptions used in valuing stock-based compensation instruments and income taxes. The Company bases these estimates on historical and anticipated results and trends and on various other assumptions that the Company believes are reasonable under the circumstances, including assumptions as to future events. These estimates form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. By their nature, estimates are subject to an inherent degree of uncertainty. Actual results may differ from the Company’s estimates.

Fiscal Year-End

The Company operates and reports using a 52-53 week fiscal year ending on the Saturday closest to December 31. Accordingly, the Company’s fiscal quarters end on the Saturday that falls closest to the last day of the third month of each quarter.

Revenue Recognition

The Company derives its revenue from product sales and, to a lesser extent, government research and development contracts, and commercial research and development contracts. The Company sells products directly to customers and indirectly through resellers and distributors. The Company recognizes revenue from sales of robots under the terms of the customer agreement upon transfer of title and risk of loss to the customer, net of estimated returns, provided that collection is determined to be reasonably assured and no significant obligations remain. Sales to domestic resellers of home robots are typically subject to agreements allowing for limited rights of return, rebates and price protection. Accordingly, the Company reduces revenue for its estimates of liabilities for these rights of return at the time the related sale is recorded. The Company makes an estimate of sales returns for products sold by domestic resellers directly based on historical returns experience and other relevant data. The Company’s international distributor agreements do not currently allow for product returns and, as a result, no reserve for returns is established for this group of customers. The Company has aggregated and analyzed historical returns from domestic resellers and end users which form the basis of its estimate of future sales returns by resellers or end users. When a right of return exists, the provision for these estimated returns is recorded as a reduction of revenue at the time that the related revenue is recorded. If actual returns differ significantly from its estimates, such differences could have a material impact on the Company’s results of operations for the period in which the returns become known. The estimates for returns are adjusted periodically based upon historical rates of returns. The estimates and reserve for rebates and price protection are based on specific programs, expected usage and historical experience. Actual results could differ from these estimates.

Under cost-plus-fixed-fee (“CPFF”) type contracts, the Company recognizes revenue based on costs incurred plus a pro rata portion of the total fixed fee. Costs incurred include labor and material that are directly associated with individual CPFF contracts plus indirect overhead and general and administrative type costs based upon billing rates submitted by the Company to the Defense Contract Management Agency (“DCMA”). Annually, the Company submits final indirect billing rates to DCMA based upon actual costs incurred throughout the year. In the situation where the Company’s final actual billing rates are greater than the estimated rates currently in effect, the Company records a cumulative revenue adjustment in the period in which the rate differential is collected from the customer. These final billing rates are subject to audit by the Defense Contract Audit Agency (“DCAA”), which can occur several years after the final billing rates are submitted and may result in material adjustments to revenue recognized based on estimated final billing rates. As of September 28, 2013, fiscal year 2007 is under audit by DCAA, and fiscal years 2008 through 2012 are open for audit by DCAA. In the situation where the Company’s anticipated actual billing rates will be lower than the provisional rates currently in effect, the Company records a cumulative revenue adjustment in the period in which the rate differential is identified. Revenue on firm fixed price (“FFP”) contracts is recognized using the percentage-of-completion method. For government product FFP contracts, revenue is recognized as the product is shipped or in accordance with the contract terms. Costs and estimated gross margins on contracts are recorded as revenue as work is performed based on the percentage that incurred costs compare to estimated total costs utilizing the most recent estimates of costs and funding. Changes in job performance, job conditions, and estimated profitability, including those arising from final contract settlements and government audits, may result in revisions to costs and income and are recognized in the period in which the revisions are determined. Since many contracts extend over a long period of time, revisions in cost and funding estimates during the progress of work have the effect of adjusting earnings applicable to past performance in the current period. When the current contract estimate indicates a loss, a provision is made for the total anticipated loss in the current period. Revenue earned in excess of billings, if any, is recorded as unbilled revenue. Billings in excess of revenue earned, if any, are recorded as deferred revenue.

Accounting for Share-Based Payments

The Company accounts for share-based payments to employees, including grants of employee stock options and awards in the form of restricted shares and restricted stock units by establishing the fair value of each option grant using the Black-Scholes option pricing model and the fair value of awards based on stock price at the time of grant. The fair value of share-based payments is recorded by the Company as a charge against earnings. The Company recognizes share-based payment expense over the requisite service period of the underlying grants and awards. The Company’s share-based payment awards are accounted for as equity instruments.

Net Income Per Share

The following table presents the calculation of both basic and diluted net income per share:

	Three Months Ended				Nine Months Ended
	(In thousands, except per share amounts)
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Net income	$	7,804	$	15,207	$	24,453	$	23,235
Weighted-average shares outstanding	28,733		27,650		28,359		27,520
Dilutive effect of employee stock options and restricted shares	849		671		848		803
Diluted weighted-average shares outstanding	29,582		28,321		29,207		28,323
Basic income per share	$	0.27	$	0.55	$	0.86	$	0.84
Diluted income per share	$	0.26	$	0.54	$	0.84	$	0.82

Restricted stock units and stock options representing approximately 0.1 million and 0.9 million shares of common stock for the three month periods ended September 28, 2013 and September 29, 2012, respectively, and approximately 0.7 million and 0.7 million shares of common stock for the nine month periods ended September 28, 2013 and September 29, 2012, respectively, were excluded from the computation of diluted earnings per share for these periods because their effect would have been antidilutive.

Income Taxes

The Company is subject to taxation in the United States and various states and foreign jurisdictions. The statute of limitations for examination by the Internal Revenue Service ("IRS") is closed for fiscal years prior to 2010. During the nine month period ended September 28, 2013, the IRS completed its examination of the Company's tax returns for the years 2008, 2009 and 2010. The statute of limitations for examination by state tax authorities is closed for fiscal years prior to 2009. Federal carryforward attributes that were generated prior to fiscal year 2010, and state carryforward attributes that were generated prior to fiscal year 2009 may still be adjusted upon examination by the IRS or state tax authorities if they either have been or will be used in a period for which the statute of limitations is still open.

Deferred taxes are determined based on the difference between the financial statement and tax basis of assets and liabilities using enacted tax rates in effect in the years in which the differences are expected to reverse. Valuation allowances are provided if, based upon the weight of available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized.

The Company monitors the realization of its deferred tax assets based on changes in facts and circumstances, for example recurring periods of income for tax purposes following historical periods of cumulative losses or changes in tax laws or regulations. The Company's income tax provisions and its assessment of the ability to realize its deferred tax assets involve significant judgments and estimates.

The Company recorded a tax provision of $3.4 million and $7.7 million for the three month periods ended September 28, 2013 and September 29, 2012, respectively. The $3.4 million provision for the three month period ended September 28, 2013 resulted in an effective income tax rate of 30.3%. The $7.7 million provision for the three month period ended September 29, 2012 resulted in an effective income tax rate of 33.7%. The decrease in the effective income tax rate from 33.7% for the three month period ended September 29, 2012 to 30.3% for the three month period ended September 28, 2013 was primarily due to the inclusion of the federal research and development tax credit in the 2013 income tax provision, which was not enacted into law for inclusion in the 2012 income tax provision.

The Company recorded a tax provision of $3.4 million and $11.3 million for the nine month periods ended September 28, 2013 and September 29, 2012, respectively. The $3.4 million provision for the nine month period ended September 28, 2013 resulted in an effective tax rate of 12.2%. The $11.3 million provision for the nine month period ended September 29, 2012 resulted in an effective tax rate of 32.7%. The decrease in the effective income tax rate from 32.7% for the nine month period ended September 29, 2012 to 12.2% for the nine month period ended September 28, 2013 was primarily due to the release of $2.7 million of certain income tax reserves due to favorable conclusions of the IRS examination of the Company's income tax returns for the years 2008, 2009 and 2010, the inclusion of the federal research and development tax credit in the 2013 income tax provision, which was not enacted into law for inclusion in the 2012 income tax provision, and the retroactive reinstatement of federal research and development tax credits in 2013. In January 2013, legislation was enacted that included the extension of the federal research and development tax credits. The legislation retroactively reinstated research and development tax credits for 2012 and extended them through December 31, 2013. As a result, the Company recorded a discrete benefit of $1.7 million related to 2012 during the nine month period ended September 28, 2013.

The Company anticipates the settlement of state tax audits may be finalized within the next twelve months and could result in a decrease in its unrecognized gross tax benefits of up to $0.7 million.

In September 2013, the U.S. Department of the Treasury and the IRS issued final regulations addressing the acquisition, production and improvement of tangible property, and also proposed regulations addressing the disposition of property.  These regulations replace previously issued temporary regulations and are effective for tax years beginning January 1, 2014, with optional adoption permitted in 2013.  The Company is in the process of analyzing the impact of these new regulations but does not believe they will have a material impact on the Company's consolidated financial statements.

Fair Value Measurements

The authoritative guidance for fair value establishes a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value. These tiers include: Level 1, defined as observable inputs such as quoted prices in active markets; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions.

Financial Assets

The Company’s financial assets measured at fair value on a recurring basis at September 28, 2013, were as follows:

	Fair Value Measurements as of September 28, 2013
	Level 1		Level 2		Level 3
	(In thousands)
Description
Assets:
Money market funds	$	83,822	$	—	$	—
Corporate and government bonds	—		16,948		—
Total assets measured at fair value	$	83,822	$	16,948	$	—

The Company’s financial assets measured at fair value on a recurring basis at December 29, 2012, were as follows:

	Fair Value Measurements as of December 29, 2012
	Level 1		Level 2		Level 3
	(In thousands)
Description
Assets:
Money market funds	$	88,144	$	—	$	—
Corporate bonds	—		12,430		—
Total assets measured at fair value	$	88,144	$	12,430	$	—

In each table above, the bond investments are valued based on observable market values as of the Company’s reporting date and are included in Level 2. The bond investments are recorded at fair value and marked-to-market at the end of each reporting period. The realized and unrealized gains and losses are included in comprehensive income for that period. The fair value of the Company’s bond investment is included in short term investments in its consolidated balance sheet.

Goodwill

Goodwill is recorded as the difference, if any, between the aggregate consideration paid for an acquisition and the fair value of the net tangible and intangible assets acquired. The Company evaluates goodwill for impairment at the reporting unit level (operating segment or one level below an operating segment) annually or more frequently if the Company believes indicators of impairment exist. The Company first assesses qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If the Company concludes that it is more likely than not that the fair value of a reporting unit is less than its carrying amount, then a two-step goodwill impairment test is performed. The first step of the impairment test involves comparing the fair values of the applicable reporting units with their aggregate carrying values, including goodwill. If the carrying amount of a reporting unit exceeds the reporting unit’s fair value, the Company performs the second step of the goodwill impairment test to determine the amount of impairment loss. The second step of the goodwill impairment test involves comparing the implied fair value of the affected reporting unit’s goodwill with the carrying value of that goodwill.

Recent Accounting Pronouncements

In July 2013, the Financial Accounting Standards Board (“FASB”) issued an accounting standards update related to the presentation of an unrecognized tax benefit when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists.  This new guidance clarifies guidance and eliminates diversity in practice on the presentation of unrecognized tax benefits when certain situations exist at the reporting date.  This new guidance is effective for annual reporting periods beginning on or after December 15, 2013 and subsequent interim periods.  We are currently assessing the impact, if any, on our consolidated financial statements.

In February 2013, the FASB issued guidance requiring disclosure of amounts reclassified out of accumulated other comprehensive income by component. In addition, an entity is required to present either on the face of the statement of operations or in the notes, significant amounts reclassified out of accumulated other comprehensive income by the respective line items of net income but only if the amount reclassified is required to be reclassified to net income in its entirety in the same reporting period. For amounts not reclassified in their entirety to net income, an entity is required to cross-reference to other disclosures that provide additional detail about those amounts. This guidance was effective prospectively for the Company for annual and interim periods beginning January 1, 2013. The impact of these amendments on the Company’s consolidated financial statements was not material.

From time to time, new accounting pronouncements are issued by FASB that are adopted by the Company as of the specified effective date. Unless otherwise discussed, the Company believes that recently issued standards, which are not yet effective, will not have a material impact on the Company’s consolidated financial statements upon adoption.

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Accrued Expenses

9 Months Ended

Sep. 28, 2013

Accrued Liabilities, Current [Abstract]

Accrued Expenses

5. Accrued Expenses

Accrued expenses consist of the following:

	September 28, 2013		December 29, 2012
	(In thousands)
Accrued warranty	$	6,688	$	6,057
Accrued rent	731		696
Accrued sales tax	676		719
Accrued direct fulfillment costs	396		999
Accrued sales commissions	261		475
Accrued accounting fees	170		155
Accrued other	4,487		4,541
	$	13,409	$	13,642

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Inventory

9 Months Ended

Sep. 28, 2013

Inventory Disclosure [Abstract]

Inventory

3. Inventory

Inventory consists of the following:

	September 28, 2013		December 29, 2012
	(In thousands)
Raw materials	$	5,754	$	8,849
Work in process	—		60
Finished goods	43,099		28,056
	$	48,853	$	36,965

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Goodwill, Other Intangible Assets and Other Assets - Estimated Future Amortization Expense Related to Current Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 29, 2012
Disclosure Estimated Future Amortization Expense Related To Current Intangible Assets [Abstract]
Remainder of 2013	$ 919
2014	3,522
2015	3,482
2016	3,457
2017	3,457
Thereafter	8,750
Intangible Assets, Net	$ 23,587	$ 28,224

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Summary of Significant Accounting Policies - Fair Value Assets Measured on Recurring Basis (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 29, 2012
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	$ 83,822	$ 88,144
Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	83,822	88,144
Fair Value, Inputs, Level 1 [Member] | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	16,948	12,430
Fair Value, Inputs, Level 2 [Member] | Money Market Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	0	0
Fair Value, Inputs, Level 2 [Member] | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	16,948	12,430
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	0	0
Fair Value, Inputs, Level 3 [Member] | Money Market Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	0	0
Fair Value, Inputs, Level 3 [Member] | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	$ 0	$ 0

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Stock Option Plans - Additional Information (Detail)	0 Months Ended	3 Months Ended	9 Months Ended			3 Months Ended
	Oct. 10, 2005	Sep. 28, 2013	Sep. 28, 2013 Stock Options	Sep. 28, 2013 Stock Options Minimum	Sep. 28, 2013 Stock Options Maximum	Sep. 28, 2013 Restricted stock units	Sep. 28, 2013 2005 Plan	Oct. 10, 2005 2005 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Effective date for stock options plan	Oct. 10, 2005
Shares reserved for issuance in different forms								1,583,682
Increase in number of shares reserved and available for issuance in different forms		4.50%
Share based compensation arrangement shares available for grant							3,872,511
Vesting period for options				0 years	5 years
Minimum expiration period for options				7 years	10 years
Minimum period for expiration of options in case of employee termination			60 days
Maximum period for expiration of options in case of employee termination			90 days
Common stock granted		31,600
Restricted stock units granted						74,490

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Industry Segment, Geographic Information and Significant Customers - Segment Information about Revenue, Cost of Revenue, Gross Margin and Income before Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013		Sep. 29, 2012
Revenue:
Total revenue	$ 124,501	$ 126,298	$ 361,058		$ 335,550
Cost of revenue:
Total cost of revenue	70,440	67,822	198,865		185,706
Gross margin:
Gross margin	54,061	58,476	162,193		149,844
Research and development	15,212	13,040	45,617	[1]	41,722	[1]
Selling and marketing	16,317	11,376	49,323	[1]	41,685	[1]
General and administrative	11,495	11,326	39,348	[1]	32,390	[1]
Other income (expense), net	152	197	(49)		477
Income before income taxes	11,189	22,931	27,856		34,524
Home Robots
Revenue:
Total revenue	111,363	96,291	319,590		273,887
Cost of revenue:
Total cost of revenue	58,300	45,983	162,411		134,276
Gross margin:
Gross margin	53,063	50,308	157,179		139,611
Defense & Security
Revenue:
Total revenue	10,094	27,832	33,664		55,217
Cost of revenue:
Total cost of revenue	5,981	14,802	18,348		31,862
Gross margin:
Gross margin	4,113	13,030	15,316		23,355
Other
Revenue:
Total revenue	3,044	2,175	7,804		6,446
Cost of revenue:
Total cost of revenue	6,159	7,037	18,106		19,568
Gross margin:
Gross margin	$ (3,115)	$ (4,862)	$ (10,302)		$ (13,122)

[1] Total stock-based compensation recorded in the three and nine months ended September 28, 2013 and September 29, 2012 included in the above figures breaks down by expense classification as follows: Three Months Ended Nine Months Ended September 28, 2013 September 29, 2012 September 28, 2013 September 29, 2012Cost of product revenue$250 $289 $496 $715Research and development669 365 1,963 1,271Selling and marketing348 158 832 574General and administrative2,210 1,796 6,378 5,463

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Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 28, 2013	Dec. 29, 2012
Net allowances on Accounts receivables	$ 81	$ 111
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	28,807,393	27,781,659
Common stock, shares outstanding	28,807,393	27,781,659

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Industry Segment, Geographic Information and Significant Customers

9 Months Ended

Sep. 28, 2013

Segment Reporting [Abstract]

Industry Segment, Geographic Information and Significant Customers

8. Industry Segment, Geographic Information and Significant Customers

The Company operates in two reportable segments, the home robots business unit and the defense and security robots business unit. The nature of products and types of customers for the two segments vary significantly. As such, the segments are managed separately. As a result of the reorganization completed at the beginning of fiscal year 2013, the Company determined that certain modifications were necessary to present the segment information as now viewed by the Company's chief operating decision maker. While no new reportable segments resulted from the reorganization, certain revenue and expenses previously included in the home robots business unit and the defense and security robots business unit are now combined with other revenue and expenses and presented separately from the two reportable segments.

Home Robots

The Company’s home robots business unit offers products to consumers through a network of retail businesses throughout the United States, to various countries through international distributors and retailers, and through the Company’s on-line store. The Company’s home robots business unit includes mobile robots used in the maintenance of households.

Defense and Security

The Company’s defense and security robots business unit offers products to the U.S. Department of Defense through a small U.S. government-focused sales force, and to other North American and international entities through small domestic and international sales teams, as well as through North American and international distributors. The Company’s defense and security robots are used to increase warfighters', law enforcement, security forces and first responders' safety and productivity.

Other

The Company’s other revenue and cost of revenue result from other smaller business units that do not meet the criteria of a reportable segment, as well as certain operational costs included in cost of revenue.

The table below presents segment information about revenue, cost of revenue, gross margin and income before income taxes:

	Three Months Ended						Nine Months Ended
	(In thousands)
	September 28, 2013			September 29, 2012			September 28, 2013			September 29, 2012
Revenue:
Home Robots	$	111,363		$	96,291		$	319,590		$	273,887
Defense & Security	10,094			27,832			33,664			55,217
Other	3,044			2,175			7,804			6,446
Total revenue	124,501			126,298			361,058			335,550
Cost of revenue:
Home Robots	58,300			45,983			162,411			134,276
Defense & Security	5,981			14,802			18,348			31,862
Other	6,159			7,037			18,106			19,568
Total cost of revenue	70,440			67,822			198,865			185,706
Gross margin:
Home Robots	53,063			50,308			157,179			139,611
Defense & Security	4,113			13,030			15,316			23,355
Other	(3,115		)	(4,862		)	(10,302		)	(13,122		)
Total gross margin	54,061			58,476			162,193			149,844
Research and development	15,212			13,040			45,617			41,722
Selling and marketing	16,317			11,376			49,323			41,685
General and administrative	11,495			11,326			39,348			32,390
Other income (expense), net	152			197			(49		)	477
Income before income taxes	$	11,189		$	22,931		$	27,856		$	34,524

Geographic Information

For the three months ended September 28, 2013 and September 29, 2012, sales to non-U.S. customers accounted for66.2% and 51.9% of total revenue, respectively, and sales to non-U.S. customers for the nine months ended September 28, 2013 and September 29, 2012 accounted for 61.9% and 59.1% of total revenue, respectively.

Significant Customers

For the three months ended September 28, 2013 and September 29, 2012, U.S. federal government orders, contracts and subcontracts accounted for 2.0% and 21.5% of total revenue, respectively, and for the nine months ended September 28, 2013 and September 29, 2012, U.S. federal government orders, contracts and subcontracts accounted for 5.7% and 15.1% of total revenue, respectively.

For the three months ended September 28, 2013, the Company generated 18.2% and 17.1%, respectively, of total revenue from two of its international distributors of home robots products, and 10.6% of total revenue from one of its domestic customers of home robots products. For the three months ended September 29, 2012, the Company generated 16.6% and 8.9%, respectively, of total revenue from two of its international distributors of home robots products.

For the nine months ended September 28, 2013, the Company generated 21.6% and 13.3%, respectively, of total revenue from two of its international distributors of home robots products. For the nine months ended September 29, 2012, the Company generated 16.9% and 14.2%, respectively, of total revenue from two of its international distributors of home robots products. For the nine months ended September 28, 2013, none of the Company’s domestic home robots customers accounted for more than 10% of the Company’s total revenue.

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Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Statement of Partners' Capital [Abstract]
Net income, as reported	$ 7,804	$ 15,207	$ 24,453	$ 23,235
Other comprehensive income (loss), net of tax:
Unrealized gains/(losses) on investments, net of tax	75	50	(86)	104
Total comprehensive income	$ 7,879	$ 15,257	$ 24,367	$ 23,339

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Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 29, 2012
Current assets:
Cash and cash equivalents	$ 139,731	$ 126,770
Short term investments	16,948	12,430
Accounts receivable, net of allowance of $81 and $111 at September 28, 2013 and December 29, 2012, respectively	54,027	29,413
Unbilled revenue	1,556	1,196
Inventory	48,853	36,965
Deferred tax assets	19,517	19,266
Other current assets	6,131	8,853
Total current assets	286,763	234,893
Property and equipment, net	24,039	24,953
Deferred tax assets	10,464	8,792
Goodwill	48,751	48,951
Finite-Lived Intangible Assets, Net	23,587	28,224
Other assets	10,501	8,500
Total assets	404,105	354,313
Current liabilities:
Accounts payable	46,644	42,515
Accrued expenses	13,409	13,642
Accrued compensation	14,868	11,864
Deferred Revenue, Current	2,026	6,257
Total current liabilities	76,947	74,278
Long term liabilities	4,556	4,218
Commitments and contingencies (Note 6)
Redeemable convertible preferred stock, 5,000,000 shares authorized and none outstanding	0	0
Common stock, $0.01 par value, 100,000,000 shares authorized; 28,807,393 and 27,781,659 shares issued and outstanding at September 28, 2013 and December 29, 2012, respectively	288	278
Additional paid-in capital	222,311	199,903
Retained earnings	99,890	75,437
Accumulated other comprehensive income	113	199
Total stockholders' equity	322,602	275,817
Total liabilities, redeemable convertible preferred stock and stockholders' equity	$ 404,105	$ 354,313

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Summary of Significant Accounting Policies - Fair Value Assets Measured on a Nonrecurring Basis (Details) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 29, 2012	Sep. 30, 2008 Nekton Research LLC [Member] Research Reporting Unit [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill	$ 48,751	$ 48,951	$ 200
Finite-Lived Intangible Assets, Gross	31,500	31,500
Finite-Lived Intangible Assets, Net	$ 23,587	$ 28,224

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Goodwill, Other Intangible Assets and Other Assets (Tables)

9 Months Ended

Sep. 28, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Cost Method Investments [Table Text Block]

Other assets at September 28, 2013 and December 29, 2012 consisted of the following:

	September 28, 2013		December 29, 2012
	(In thousands)
Investment in Advanced Scientific Concepts, Inc.	$	2,500	$	2,500
Investment in InTouch Technologies, Inc.	8,001		6,000
	$	10,501	$	8,500

Other Intangible Assets

Intangible assets at September 28, 2013 and December 29, 2012 consisted of the following:

	September 28, 2013								December 29, 2012
	Cost		Accumulated Amortization		Impairment Loss		Net		Cost		Accumulated Amortization		Net
	(In thousands)
Completed technology	$	30,600	$	5,291	$	1,788	$	23,521	$	30,600	$	2,468	$	28,132
Research contracts	100		100		—		—		100		100		—
Tradename	800		734		—		66		800		708		92
Total	$	31,500	$	6,125	$	1,788	$	23,587	$	31,500	$	3,276	$	28,224

Estimated Future Amortization Expense Related to Current Intangible Assets

The estimated future amortization expense is expected to be as follows:

	(In thousands)
Remainder of 2013	$	919
2014	3,522
2015	3,482
2016	3,457
2017	3,457
Thereafter	8,750
Total	$	23,587

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Goodwill, Other Intangible Assets and Other Assets - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended			9 Months Ended					3 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012	Dec. 29, 2012	Sep. 28, 2013 Minimum	Sep. 28, 2013 Maximum	Oct. 30, 2012 Home Robots Evolution Robotics, Inc. (ER)	Sep. 30, 2008 Defense & Security Nekton Research LLC [Member]	Sep. 30, 2008 Defense and Security Reporting Unit Nekton Research LLC [Member]	Sep. 28, 2013 Research Reporting Unit [Member]	Sep. 30, 2008 Research Reporting Unit [Member] Nekton Research LLC [Member]
Business Acquisition [Line Items]
Goodwill	$ 48,751,000		$ 48,751,000		$ 48,951,000			$ 41,100,000	$ 7,700,000	$ 7,700,000		$ 200,000
Goodwill, Impairment Loss											200,000
Goodwill, Gross									7,900,000
Estimated useful life of intangible assets						2 years	10 years
Amortization of Acquired Intangible Assets	$ 919,000	$ 92,500	$ 2,800,000	$ 277,500

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Commitments and Contingencies - Activity Related to Warranty Accrual (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 28, 2013		Sep. 29, 2012		Sep. 28, 2013	Sep. 29, 2012
Commitments and Contingencies Disclosure [Abstract]
Document Period End Date	Sep. 28, 2013
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance at beginning of period	$ 6,322		$ 8,990		$ 6,057	$ 10,306
Provision	773		1,080		1,832	1,318
Warranty usage	(407)	[1]	(524)	[1]	1,201	2,078
Balance at end of period	$ 6,688		$ 9,546		$ 6,688	$ 9,546

[1] Warranty usage includes the expiration of product warranties unutilized.

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Acquisition of Evolution Robotics, Inc. (Details) (Evolution Robotics, Inc. (ER), USD $) In Millions, unless otherwise specified	0 Months Ended
	Oct. 02, 2012
Evolution Robotics, Inc. (ER)
Business Acquisition, Pro Forma Information [Line Items]
Percentage of voting interests acquired	100.00%
Consideration transferred	$ 74.8
Purchase price deposit in escrow, indemnification for breach	$ 8.88

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Acquisition of Evolution Robotics, Inc.

9 Months Ended

Sep. 28, 2013

Business Combinations [Abstract]

Acquisition of Evolution Robotics, Inc.

7. Acquisition of Evolution Robotics, Inc.

On October 1, 2012, the Company acquired 100% of the equity of Evolution Robotics, Inc. ("Evolution") for $74.8 million in cash, including the effect of working capital adjustments and cash received, with $8.88 million of the purchase price placed into an escrow account to settle certain claims for indemnification for breaches or inaccuracies in Evolution’s representations and warranties, covenants and agreements. Evolution was the developer of Mint and Mint Plus automatic floor cleaning robots, based in Pasadena, California, and is included in the Company's home robots business unit.

Pro Forma Disclosures (Unaudited)

The following unaudited pro forma consolidated results of operations for the three and nine month periods ended September 28, 2013 and September 29, 2012 assume that the acquisition of Evolution occurred as of January 1, 2012.

	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
	(In thousands)				(In thousands)
Revenue	$	124,501	$	131,164	$	361,058	$	344,775
Net Income	7,804		13,496		24,453		15,703

These pro forma amounts do not purport to be indicative of the results that would have actually been obtained if the acquisitions had occurred at the beginning of the periods presented or that may be obtained in the future.

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Summary of Significant Accounting Policies - Out of period Adjustments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 28, 2013
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Error Correction, Amount	$ 0.6

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Goodwill, Other Intangible Assets and Other Assets - Other Assets (Details) (Preferred Stock [Member], USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 29, 2012
Schedule of Cost-method Investments [Line Items]
Cost Method Investments	$ 10,501	$ 8,500
Advanced Scientific Concepts, Inc. [Member]
Schedule of Cost-method Investments [Line Items]
Cost Method Investments	2,500	2,500
InTouch Technologies, Inc. [Member]
Schedule of Cost-method Investments [Line Items]
Cost Method Investments	$ 8,001	$ 6,000

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Summary of Significant Accounting Policies (Policies)

3 Months Ended

9 Months Ended

Sep. 28, 2013

Sep. 28, 2013

Accounting Policies [Abstract]

Fair Value Measurement, Policy [Policy Text Block]

Fair Value Measurements

The authoritative guidance for fair value establishes a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value. These tiers include: Level 1, defined as observable inputs such as quoted prices in active markets; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions.

Financial Assets

The Company’s financial assets measured at fair value on a recurring basis at September 28, 2013, were as follows:

	Fair Value Measurements as of September 28, 2013
	Level 1		Level 2		Level 3
	(In thousands)
Description
Assets:
Money market funds	$	83,822	$	—	$	—
Corporate and government bonds	—		16,948		—
Total assets measured at fair value	$	83,822	$	16,948	$	—

The Company’s financial assets measured at fair value on a recurring basis at December 29, 2012, were as follows:

	Fair Value Measurements as of December 29, 2012
	Level 1		Level 2		Level 3
	(In thousands)
Description
Assets:
Money market funds	$	88,144	$	—	$	—
Corporate bonds	—		12,430		—
Total assets measured at fair value	$	88,144	$	12,430	$	—

In each table above, the bond investments are valued based on observable market values as of the Company’s reporting date and are included in Level 2. The bond investments are recorded at fair value and marked-to-market at the end of each reporting period. The realized and unrealized gains and losses are included in comprehensive income for that period. The fair value of the Company’s bond investment is included in short term investments in its consolidated balance sheet.

Basis of Presentation

Basis of Presentation

The accompanying consolidated financial statements include those of iRobot and its subsidiaries, after elimination of all intercompany accounts and transactions. iRobot has prepared the accompanying consolidated financial statements in conformity with accounting principles generally accepted in the United States of America.

The accompanying unaudited financial data as of September 28, 2013 and for the three and nine months ended September 28, 2013 and September 29, 2012 has been prepared by the Company pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States have been condensed or omitted pursuant to such rules and regulations. However, the Company believes that the disclosures are adequate to make the information presented not misleading. The year-end balance sheet data was derived from audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States. These consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto included in its Annual Report on Form 10-K for the fiscal year ended December 29, 2012, filed with the SEC on February 15, 2013.

In the opinion of management, all adjustments necessary to state fairly its statement of financial position as of September 28, 2013 and results of operations and cash flows for the periods ended September 28, 2013 and September 29, 2012 have been made. The results of operations and cash flows for any interim period are not necessarily indicative of the operating results and cash flows for the full fiscal year or any future periods.

Reorganization

Reorganization

In fiscal year 2012, the Company initiated a reorganization that resulted in, among other things, the centralization of all of the Company's engineering and operations activities. This reorganization was completed at the beginning of fiscal year 2013. In conjunction with this reorganization, the Company reviewed the financial statement classification of its costs and expenses. As a result of this review, the Company decided to classify certain expenses differently than had been classified and presented in prior periods to provide a more clear understanding of the Company's financial performance. As part of this review, the Company also evaluated the impact of the reorganization on its segment reporting and determined that certain modifications were necessary to present the segment information as now viewed by the Company's chief operating decision maker. Although the classification of certain expenses on the income statement has changed in fiscal year 2013 as compared to prior periods, the Company recast the financial results of prior periods in a manner consistent with the fiscal year 2013 presentation for comparability purposes. The reclassified amounts reflected in the consolidated statements of income for the three and nine months ended September 29, 2012 included herein conform to the fiscal year 2013 presentation. This reclassification of costs and expenses did not impact previously reported net income or earnings per share as the changes only impacted the categorization of costs within the consolidated statements of income for the periods in question. Consequently, the classification changes did not impact previously presented consolidated balance sheets, statements of cash flow or statements of stockholders' equity.

Revision of Consolidated Balance Sheet as of December 29, 2012

Revision of Consolidated Balance Sheet as of December 29, 2012

During the three month period ended March 30, 2013, the Company identified a classification error related to its reserves for uncertain tax positions on its December 29, 2012 consolidated balance sheet. The Company had recorded a gross income tax receivable in current assets and a gross uncertain tax positions liability against that receivable in current liabilities as of December 29, 2012. In addition, the Company misclassified certain liabilities for uncertain tax positions in current and long-term liabilities. The impact of the errors on the December 29, 2012 consolidated balance sheet was a decrease in Other Current Assets of $2.7 million, an increase in Other Assets of $0.2 million, a decrease in Accrued Expenses of $2.9 million, and an increase in Long-term Liabilities of $0.4 million. These adjustments were not considered to be material, individually or in the aggregate, to previously issued financial statements. The Company has revised its December 29, 2012 consolidated balance sheet to correct these errors as reflected herein. This revision had no impact on the consolidated statement of income, the consolidated statement of comprehensive income, or total cash flows from operating activities, investing activities, or financing activities.

Accounting Changes and Error Corrections [Text Block]

Out of Period Adjustment During the third quarter of 2013, the Company identified an immaterial error to previously reported depreciation expense due to the use of an incorrect useful life on a leasehold improvement asset. The recorded out of period adjustment to cost of revenue and operating expenses resulted in a $0.6 million increase in third quarter 2013 net income. The adjustment did not have a material impact on the reported financial position or results of operations for the quarter ended September 28, 2013. Additionally, had this adjustment been recorded in the prior periods to which it relates (fiscal 2011, 2012 and the six month period ended June 29, 2013), the impact would not have been material to the reported financial position or results of operations for those periods.

Use of Estimates

Use of Estimates

The preparation of these financial statements in conformity with accounting principles generally accepted in the United States requires the Company to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and disclosure of contingent assets and liabilities. On an ongoing basis, management evaluates these estimates and judgments, including those related to revenue recognition, sales returns, bad debts, warranty claims, inventory reserves, valuation of investments, assumptions used in valuing stock-based compensation instruments and income taxes. The Company bases these estimates on historical and anticipated results and trends and on various other assumptions that the Company believes are reasonable under the circumstances, including assumptions as to future events. These estimates form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. By their nature, estimates are subject to an inherent degree of uncertainty. Actual results may differ from the Company’s estimates.

Fiscal Year-End

Fiscal Year-End

The Company operates and reports using a 52-53 week fiscal year ending on the Saturday closest to December 31. Accordingly, the Company’s fiscal quarters end on the Saturday that falls closest to the last day of the third month of each quarter.

Revenue Recognition

Revenue Recognition

The Company derives its revenue from product sales and, to a lesser extent, government research and development contracts, and commercial research and development contracts. The Company sells products directly to customers and indirectly through resellers and distributors. The Company recognizes revenue from sales of robots under the terms of the customer agreement upon transfer of title and risk of loss to the customer, net of estimated returns, provided that collection is determined to be reasonably assured and no significant obligations remain. Sales to domestic resellers of home robots are typically subject to agreements allowing for limited rights of return, rebates and price protection. Accordingly, the Company reduces revenue for its estimates of liabilities for these rights of return at the time the related sale is recorded. The Company makes an estimate of sales returns for products sold by domestic resellers directly based on historical returns experience and other relevant data. The Company’s international distributor agreements do not currently allow for product returns and, as a result, no reserve for returns is established for this group of customers. The Company has aggregated and analyzed historical returns from domestic resellers and end users which form the basis of its estimate of future sales returns by resellers or end users. When a right of return exists, the provision for these estimated returns is recorded as a reduction of revenue at the time that the related revenue is recorded. If actual returns differ significantly from its estimates, such differences could have a material impact on the Company’s results of operations for the period in which the returns become known. The estimates for returns are adjusted periodically based upon historical rates of returns. The estimates and reserve for rebates and price protection are based on specific programs, expected usage and historical experience. Actual results could differ from these estimates.

Under cost-plus-fixed-fee (“CPFF”) type contracts, the Company recognizes revenue based on costs incurred plus a pro rata portion of the total fixed fee. Costs incurred include labor and material that are directly associated with individual CPFF contracts plus indirect overhead and general and administrative type costs based upon billing rates submitted by the Company to the Defense Contract Management Agency (“DCMA”). Annually, the Company submits final indirect billing rates to DCMA based upon actual costs incurred throughout the year. In the situation where the Company’s final actual billing rates are greater than the estimated rates currently in effect, the Company records a cumulative revenue adjustment in the period in which the rate differential is collected from the customer. These final billing rates are subject to audit by the Defense Contract Audit Agency (“DCAA”), which can occur several years after the final billing rates are submitted and may result in material adjustments to revenue recognized based on estimated final billing rates. As of September 28, 2013, fiscal year 2007 is under audit by DCAA, and fiscal years 2008 through 2012 are open for audit by DCAA. In the situation where the Company’s anticipated actual billing rates will be lower than the provisional rates currently in effect, the Company records a cumulative revenue adjustment in the period in which the rate differential is identified. Revenue on firm fixed price (“FFP”) contracts is recognized using the percentage-of-completion method. For government product FFP contracts, revenue is recognized as the product is shipped or in accordance with the contract terms. Costs and estimated gross margins on contracts are recorded as revenue as work is performed based on the percentage that incurred costs compare to estimated total costs utilizing the most recent estimates of costs and funding. Changes in job performance, job conditions, and estimated profitability, including those arising from final contract settlements and government audits, may result in revisions to costs and income and are recognized in the period in which the revisions are determined. Since many contracts extend over a long period of time, revisions in cost and funding estimates during the progress of work have the effect of adjusting earnings applicable to past performance in the current period. When the current contract estimate indicates a loss, a provision is made for the total anticipated loss in the current period. Revenue earned in excess of billings, if any, is recorded as unbilled revenue. Billings in excess of revenue earned, if any, are recorded as deferred revenue.

Accounting for Share-Based Payments

Accounting for Share-Based Payments

The Company accounts for share-based payments to employees, including grants of employee stock options and awards in the form of restricted shares and restricted stock units by establishing the fair value of each option grant using the Black-Scholes option pricing model and the fair value of awards based on stock price at the time of grant. The fair value of share-based payments is recorded by the Company as a charge against earnings. The Company recognizes share-based payment expense over the requisite service period of the underlying grants and awards. The Company’s share-based payment awards are accounted for as equity instruments.

Net Income Per Share

Net Income Per Share

The following table presents the calculation of both basic and diluted net income per share:

	Three Months Ended				Nine Months Ended
	(In thousands, except per share amounts)
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Net income	$	7,804	$	15,207	$	24,453	$	23,235
Weighted-average shares outstanding	28,733		27,650		28,359		27,520
Dilutive effect of employee stock options and restricted shares	849		671		848		803
Diluted weighted-average shares outstanding	29,582		28,321		29,207		28,323
Basic income per share	$	0.27	$	0.55	$	0.86	$	0.84
Diluted income per share	$	0.26	$	0.54	$	0.84	$	0.82

Restricted stock units and stock options representing approximately 0.1 million and 0.9 million shares of common stock for the three month periods ended September 28, 2013 and September 29, 2012, respectively, and approximately 0.7 million and 0.7 million shares of common stock for the nine month periods ended September 28, 2013 and September 29, 2012, respectively, were excluded from the computation of diluted earnings per share for these periods because their effect would have been antidilutive.

Income Taxes

Income Taxes

The Company is subject to taxation in the United States and various states and foreign jurisdictions. The statute of limitations for examination by the Internal Revenue Service ("IRS") is closed for fiscal years prior to 2010. During the nine month period ended September 28, 2013, the IRS completed its examination of the Company's tax returns for the years 2008, 2009 and 2010. The statute of limitations for examination by state tax authorities is closed for fiscal years prior to 2009. Federal carryforward attributes that were generated prior to fiscal year 2010, and state carryforward attributes that were generated prior to fiscal year 2009 may still be adjusted upon examination by the IRS or state tax authorities if they either have been or will be used in a period for which the statute of limitations is still open.

Deferred taxes are determined based on the difference between the financial statement and tax basis of assets and liabilities using enacted tax rates in effect in the years in which the differences are expected to reverse. Valuation allowances are provided if, based upon the weight of available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized.

The Company monitors the realization of its deferred tax assets based on changes in facts and circumstances, for example recurring periods of income for tax purposes following historical periods of cumulative losses or changes in tax laws or regulations. The Company's income tax provisions and its assessment of the ability to realize its deferred tax assets involve significant judgments and estimates.

The Company recorded a tax provision of $3.4 million and $7.7 million for the three month periods ended September 28, 2013 and September 29, 2012, respectively. The $3.4 million provision for the three month period ended September 28, 2013 resulted in an effective income tax rate of 30.3%. The $7.7 million provision for the three month period ended September 29, 2012 resulted in an effective income tax rate of 33.7%. The decrease in the effective income tax rate from 33.7% for the three month period ended September 29, 2012 to 30.3% for the three month period ended September 28, 2013 was primarily due to the inclusion of the federal research and development tax credit in the 2013 income tax provision, which was not enacted into law for inclusion in the 2012 income tax provision.

The Company recorded a tax provision of $3.4 million and $11.3 million for the nine month periods ended September 28, 2013 and September 29, 2012, respectively. The $3.4 million provision for the nine month period ended September 28, 2013 resulted in an effective tax rate of 12.2%. The $11.3 million provision for the nine month period ended September 29, 2012 resulted in an effective tax rate of 32.7%. The decrease in the effective income tax rate from 32.7% for the nine month period ended September 29, 2012 to 12.2% for the nine month period ended September 28, 2013 was primarily due to the release of $2.7 million of certain income tax reserves due to favorable conclusions of the IRS examination of the Company's income tax returns for the years 2008, 2009 and 2010, the inclusion of the federal research and development tax credit in the 2013 income tax provision, which was not enacted into law for inclusion in the 2012 income tax provision, and the retroactive reinstatement of federal research and development tax credits in 2013. In January 2013, legislation was enacted that included the extension of the federal research and development tax credits. The legislation retroactively reinstated research and development tax credits for 2012 and extended them through December 31, 2013. As a result, the Company recorded a discrete benefit of $1.7 million related to 2012 during the nine month period ended September 28, 2013.

The Company anticipates the settlement of state tax audits may be finalized within the next twelve months and could result in a decrease in its unrecognized gross tax benefits of up to $0.7 million.

In September 2013, the U.S. Department of the Treasury and the IRS issued final regulations addressing the acquisition, production and improvement of tangible property, and also proposed regulations addressing the disposition of property.  These regulations replace previously issued temporary regulations and are effective for tax years beginning January 1, 2014, with optional adoption permitted in 2013.  The Company is in the process of analyzing the impact of these new regulations but does not believe they will have a material impact on the Company's consolidated financial statements.

Goodwill

Goodwill

Goodwill is recorded as the difference, if any, between the aggregate consideration paid for an acquisition and the fair value of the net tangible and intangible assets acquired. The Company evaluates goodwill for impairment at the reporting unit level (operating segment or one level below an operating segment) annually or more frequently if the Company believes indicators of impairment exist. The Company first assesses qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If the Company concludes that it is more likely than not that the fair value of a reporting unit is less than its carrying amount, then a two-step goodwill impairment test is performed. The first step of the impairment test involves comparing the fair values of the applicable reporting units with their aggregate carrying values, including goodwill. If the carrying amount of a reporting unit exceeds the reporting unit’s fair value, the Company performs the second step of the goodwill impairment test to determine the amount of impairment loss. The second step of the goodwill impairment test involves comparing the implied fair value of the affected reporting unit’s goodwill with the carrying value of that goodwill.

Recent Accounting Pronouncements

Recent Accounting Pronouncements

In July 2013, the Financial Accounting Standards Board (“FASB”) issued an accounting standards update related to the presentation of an unrecognized tax benefit when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists.  This new guidance clarifies guidance and eliminates diversity in practice on the presentation of unrecognized tax benefits when certain situations exist at the reporting date.  This new guidance is effective for annual reporting periods beginning on or after December 15, 2013 and subsequent interim periods.  We are currently assessing the impact, if any, on our consolidated financial statements.

In February 2013, the FASB issued guidance requiring disclosure of amounts reclassified out of accumulated other comprehensive income by component. In addition, an entity is required to present either on the face of the statement of operations or in the notes, significant amounts reclassified out of accumulated other comprehensive income by the respective line items of net income but only if the amount reclassified is required to be reclassified to net income in its entirety in the same reporting period. For amounts not reclassified in their entirety to net income, an entity is required to cross-reference to other disclosures that provide additional detail about those amounts. This guidance was effective prospectively for the Company for annual and interim periods beginning January 1, 2013. The impact of these amendments on the Company’s consolidated financial statements was not material.

From time to time, new accounting pronouncements are issued by FASB that are adopted by the Company as of the specified effective date. Unless otherwise discussed, the Company believes that recently issued standards, which are not yet effective, will not have a material impact on the Company’s consolidated financial statements upon adoption.

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Commitments and Contingencies

9 Months Ended

Sep. 28, 2013

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

6. Commitments and Contingencies

Lease Obligations

Rental expense under operating leases for the three months ended September 28, 2013 and September 29, 2012 were $1.1 million and $1.0 million, respectively, and for the nine months ended September 28, 2013 and September 29, 2012 were $3.5 million and $3.2 million, respectively. Future minimum rental payments under operating leases were as follows as of September 28, 2013:

	Operating Leases
	(In thousands)
Remainder of 2013	$	842
2014	3,109
2015	3,040
2016	2,747
2017	2,505
Thereafter	5,682
Total minimum lease payments	$	17,925

Sales Taxes

The Company collects and remits sales tax in jurisdictions in which it has a physical presence or it believes nexus exists, which therefore obligates the Company to collect and remit sales tax. The Company continually evaluates whether it has established nexus in new jurisdictions with respect to sales tax. The Company has recorded a liability for potential exposure in several states where there is uncertainty about the point in time at which the Company established a sufficient business connection to create nexus. The Company continues to analyze possible sales tax exposure, but does not currently believe that any individual claim or aggregate claims that might arise will ultimately have a material effect on its consolidated results of operations, financial position or cash flows.

Guarantees and Indemnification Obligations

The Company enters into standard indemnification agreements in the ordinary course of business. Pursuant to these agreements, the Company indemnifies and agrees to reimburse the indemnified party for losses incurred by the indemnified party, generally the Company’s customers, in connection with any patent, copyright, trade secret or other proprietary right infringement claim by any third party with respect to the Company’s products. The term of these indemnification agreements is generally perpetual after execution of the agreement. The maximum potential amount of future payments the Company could be required to make under these indemnification agreements is unlimited. The Company has never incurred costs to defend lawsuits or settle claims related to these indemnification agreements. As a result, the Company believes the estimated fair value of these agreements is minimal. Accordingly, the Company has no liabilities recorded for these agreements as of September 28, 2013 and December 29, 2012, respectively.

Warranty

The Company provides warranties on most products and has established a reserve for warranty based on identified or estimated warranty costs. The reserve is included as part of accrued expenses (Note 5) in the accompanying balance sheets.

Activity related to the warranty accrual was as follows:

	Three Months Ended						Nine Months Ended
	September 28, 2013			September 29, 2012			September 28, 2013			September 29, 2012
	(In thousands)						(In thousands)
Balance at beginning of period	$	6,322		$	8,990		$	6,057		$	10,306
Provision	773			1,080			1,832			1,318
Warranty usage(1)	(407		)	(524		)	(1,201		)	(2,078		)
Balance at end of period	$	6,688		$	9,546		$	6,688		$	9,546

(1) Warranty usage includes the expiration of product warranties unutilized.

Inventory

Based upon its business outlook, the Company provides purchase orders and material authorizations to its contract manufacturers for future delivery of finished goods. On the basis of these purchase orders and material authorizations, the Company’s contract manufacturers order components from their respective suppliers. Should the Company’s business outlook not materialize as expected, it may be contractually obligated to purchase from the contract manufacturers inventory they have secured on behalf of the Company, which may be in excess of customer demand. The Company continually evaluates whether any such obligation or exposure exists and records a liability in the period in which such obligations or exposure are identified.

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Description of Business

9 Months Ended

Sep. 28, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Description of Business

1. Description of Business

iRobot Corporation (“iRobot” or the “Company”) develops robotics and artificial intelligence technologies and applies these technologies in producing and marketing robots. The majority of the Company’s revenue is generated from product sales and, to a lesser extent, government and commercial research and development contracts.

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Accrued Expenses (Details) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 29, 2012
Accounts Payable, Current [Abstract]
Accrued warranty	$ 6,688	$ 6,057
Accrued rent	731	696
Accrued sales tax	676	719
Accrued direct fulfillment costs	396	999
Accrued sales commissions	261	475
Accrued accounting fees	170	155
Accrued other	4,487	4,541
Accrued expenses	$ 13,409	$ 13,642

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Accrued Expenses (Tables)

9 Months Ended

Sep. 28, 2013

Accrued Liabilities, Current [Abstract]

Components of Accrued Expenses

Accrued expenses consist of the following:

	September 28, 2013		December 29, 2012
	(In thousands)
Accrued warranty	$	6,688	$	6,057
Accrued rent	731		696
Accrued sales tax	676		719
Accrued direct fulfillment costs	396		999
Accrued sales commissions	261		475
Accrued accounting fees	170		155
Accrued other	4,487		4,541
	$	13,409	$	13,642

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Goodwill, Other Intangible Assets and Other Assets

9 Months Ended

Sep. 28, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

Other Assets

Other assets at September 28, 2013 and December 29, 2012 consisted of the following:

	September 28, 2013		December 29, 2012
	(In thousands)
Investment in Advanced Scientific Concepts, Inc.	$	2,500	$	2,500
Investment in InTouch Technologies, Inc.	8,001		6,000
	$	10,501	$	8,500

These investments are accounted utilizing the cost method of accounting. The Company regularly monitors the investments to determine if facts and circumstances have changed in a manner that would require a change in accounting methodology. Additionally, the Company periodically evaluates whether or not an investment has been impaired by considering such factors as economic environment, market conditions, operational performance and other specific factors relating to the business underlying the investment. If any such impairment is identified, a reduction in the carrying value of the investment would be recorded at that time.

Schedule of Cost Method Investments [Table Text Block]

Other assets at September 28, 2013 and December 29, 2012 consisted of the following:

	September 28, 2013		December 29, 2012
	(In thousands)
Investment in Advanced Scientific Concepts, Inc.	$	2,500	$	2,500
Investment in InTouch Technologies, Inc.	8,001		6,000
	$	10,501	$	8,500

Goodwill, Other Intangible Assets and Other Assets

9. Goodwill, Other Intangible Assets and Other Assets

Goodwill

The carrying amount of the Company's goodwill at September 28, 2013 is $48.8 million, of which $41.1 million resulted from the acquisition of Evolution Robotics, Inc. in October 2012 and was assigned to the home robots reporting unit. $7.7 million (net of a subsequent write-down of $0.2 million) resulted from the acquisition of Nekton Research, LLC completed in September 2008 and was assigned to the defense and security reporting unit. In conjunction with the reorganization completed as of the beginning of the fiscal year 2013, the defense and security reporting unit was divided into two reporting units: the defense and security reporting unit and the research reporting unit. As a result, the goodwill of $7.9 million was reassigned utilizing a relative fair value allocation approach. $7.7 million and $0.2 million were reassigned to the defense and security and research reporting units, respectively.

During the three month period ended June 29, 2013, the Company decided to refocus its funded research activities. The Company considered this decision to be an impairment indicator, requiring an interim impairment test within the research reporting unit. The Company performed an impairment assessment using the income approach, and determined that goodwill was impaired. The Company recorded an impairment loss of $0.2 million within general and administrative expenses during the three months ended June 29, 2013.

Other Intangible Assets

Other intangible assets include the value assigned to completed technology, research contracts, and a trade name. The estimated useful lives for all of these intangible assets are two to ten years. The intangible assets are being amortized on a straight-line basis, which is consistent with the pattern that the economic benefits of the intangible assets are expected to be utilized.

Intangible assets at September 28, 2013 and December 29, 2012 consisted of the following:

	September 28, 2013								December 29, 2012
	Cost		Accumulated Amortization		Impairment Loss		Net		Cost		Accumulated Amortization		Net
	(In thousands)
Completed technology	$	30,600	$	5,291	$	1,788	$	23,521	$	30,600	$	2,468	$	28,132
Research contracts	100		100		—		—		100		100		—
Tradename	800		734		—		66		800		708		92
Total	$	31,500	$	6,125	$	1,788	$	23,587	$	31,500	$	3,276	$	28,224

As part of the Company's decision during the three month period ended June 29, 2013 to refocus its funded research activities, the Company decided to no longer pursue certain research contracts in which completed technology acquired as part of the acquisition of Nekton Research, LLC was utilized. As a result, the Company performed an impairment assessment of the associated intangible asset using the income approach, and recorded an impairment loss of $1.8 million within general and administrative expenses in the three month period ended June 29, 2013.

Amortization expense related to acquired intangible assets was $919,000 and $92,500 for the three months ended September 28, 2013 and September 29, 2012, respectively. Amortization expense related to acquired intangible assets was $2.8 million and $277,500 for the nine months ended September 28, 2013 and September 29, 2012, respectively. The estimated future amortization expense is expected to be as follows:

	(In thousands)
Remainder of 2013	$	919
2014	3,522
2015	3,482
2016	3,457
2017	3,457
Thereafter	8,750
Total	$	23,587

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Industry Segment, Geographic Information and Significant Customers (Tables)

9 Months Ended

Sep. 28, 2013

Segment Reporting [Abstract]

Segment Information about Revenue, Cost of Revenue, Gross Margin and Income before Income Taxes

The table below presents segment information about revenue, cost of revenue, gross margin and income before income taxes:

	Three Months Ended						Nine Months Ended
	(In thousands)
	September 28, 2013			September 29, 2012			September 28, 2013			September 29, 2012
Revenue:
Home Robots	$	111,363		$	96,291		$	319,590		$	273,887
Defense & Security	10,094			27,832			33,664			55,217
Other	3,044			2,175			7,804			6,446
Total revenue	124,501			126,298			361,058			335,550
Cost of revenue:
Home Robots	58,300			45,983			162,411			134,276
Defense & Security	5,981			14,802			18,348			31,862
Other	6,159			7,037			18,106			19,568
Total cost of revenue	70,440			67,822			198,865			185,706
Gross margin:
Home Robots	53,063			50,308			157,179			139,611
Defense & Security	4,113			13,030			15,316			23,355
Other	(3,115		)	(4,862		)	(10,302		)	(13,122		)
Total gross margin	54,061			58,476			162,193			149,844
Research and development	15,212			13,040			45,617			41,722
Selling and marketing	16,317			11,376			49,323			41,685
General and administrative	11,495			11,326			39,348			32,390
Other income (expense), net	152			197			(49		)	477
Income before income taxes	$	11,189		$	22,931		$	27,856		$	34,524

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Commitments and Contingencies (Tables)

9 Months Ended

Sep. 28, 2013

Commitments and Contingencies Disclosure [Abstract]

Summary of Future Minimum Rental Payments under Operating Leases

Future minimum rental payments under operating leases were as follows as of September 28, 2013:

	Operating Leases
	(In thousands)
Remainder of 2013	$	842
2014	3,109
2015	3,040
2016	2,747
2017	2,505
Thereafter	5,682
Total minimum lease payments	$	17,925

Activity Related to the Warranty Accrual

Activity related to the warranty accrual was as follows:

	Three Months Ended						Nine Months Ended
	September 28, 2013			September 29, 2012			September 28, 2013			September 29, 2012
	(In thousands)						(In thousands)
Balance at beginning of period	$	6,322		$	8,990		$	6,057		$	10,306
Provision	773			1,080			1,832			1,318
Warranty usage(1)	(407		)	(524		)	(1,201		)	(2,078		)
Balance at end of period	$	6,688		$	9,546		$	6,688		$	9,546

(1) Warranty usage includes the expiration of product warranties unutilized.

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Document and Entity Information	3 Months Ended	9 Months Ended
	Sep. 28, 2013	Sep. 28, 2013	Oct. 29, 2013
Entity Information [Line Items]
Document Type		10-Q
Amendment Flag		false
Document Period End Date	Sep. 28, 2013
Document Fiscal Year Focus		2013
Document Fiscal Period Focus		Q3
Trading Symbol		IRBT
Entity Registrant Name		IROBOT CORP
Entity Central Index Key		0001159167
Current Fiscal Year End Date		--12-28
Entity Filer Category		Large Accelerated Filer
Entity Common Stock, Shares Outstanding			28,865,070

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Acquisition of Evolution Robotics, Inc. (Tables)

9 Months Ended

Sep. 28, 2013

Business Combinations [Abstract]

Schedule of unaudited pro forma consolidated results of operations

The following unaudited pro forma consolidated results of operations for the three and nine month periods ended September 28, 2013 and September 29, 2012 assume that the acquisition of Evolution occurred as of January 1, 2012.

	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
	(In thousands)				(In thousands)
Revenue	$	124,501	$	131,164	$	361,058	$	344,775
Net Income	7,804		13,496		24,453		15,703