10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

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

For the quarterly period ended: December 31, 2012

OR

o 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: 1-34033

DIGI INTERNATIONAL INC.

(Exact name of registrant as specified in its charter)

Delaware	41-1532464
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification Number)

11001 Bren Road East
Minnetonka, Minnesota	55343
(Address of principal executive offices)	(Zip Code)

(952) 912-3444

(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 þ No o

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 þ No o

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 o	Accelerated filer þ	Non-accelerated filer o	Smaller reporting company o
		(Do not check if a smaller reporting company)

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

On January 29, 2013, there were26,155,692 shares of the registrant’s $.01 par value Common Stock outstanding.

INDEX

	Page
PART I. FINANCIAL INFORMATION
ITEM 1. Condensed Consolidated Financial Statements (unaudited):
Condensed Consolidated Statements of Operations for the three months ended December 31, 2012 and 2011	3
Condensed Consolidated Statements of Comprehensive Income for the three months ended December 31, 2012 and 2011	4
Condensed Consolidated Balance Sheets as of December 31, 2012 and September 30, 2012	5
Condensed Consolidated Statements of Cash Flows for the three months ended December 31, 2012 and 2011	6
Notes to Condensed Consolidated Financial Statements	7
ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	17
Forward-looking Statements	17
ITEM 3. Quantitative and Qualitative Disclosures About Market Risk	24
ITEM 4. Controls and Procedures	25
PART II. OTHER INFORMATION
ITEM 1. Legal Proceedings	26
ITEM 1A. Risk Factors	26
ITEM 2. Unregistered Sales of Equity Securities and Use of Proceeds	26
ITEM 3. Defaults Upon Senior Securities	26
ITEM 4. Mine Safety Disclosures	26
ITEM 5. Other Information	26
ITEM 6. Exhibits	27
EX-31.A
EX-31.B
EX-32
EX-101 INSTANCE DOCUMENT
EX-101 SCHEMA DOCUMENT
EX-101 CALCULATION LINKBASE DOCUMENT
EX-101 DEFINITION LINKBASE DOCUMENT
EX-101 LABELS LINKBASE DOCUMENT
EX-101 PRESENTATION LINKBASE DOCUMENT

2

PART I. FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

DIGI INTERNATIONAL INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(UNAUDITED)

	Three months ended December 31,
	2012		2011
	(in thousands, except per common share data)
Net sales	$	46,991	$	46,662
Cost of sales	22,512		22,232
Gross profit	24,479		24,430
Operating expenses:
Sales and marketing	10,274		10,099
Research and development	7,417		8,232
General and administrative	5,116		5,047
Restructuring	—		236
Total operating expenses	22,807		23,614
Operating income	1,672		816
Other income (expense), net:
Interest income	52		72
Other income, net	124		147
Total other income, net	176		219
Income before income taxes	1,848		1,035
Income tax provision	618		311
Net income	$	1,230	$	724
Net income per common share:
Basic	$	0.05	$	0.03
Diluted	$	0.05	$	0.03
Weighted average common shares:
Basic	26,188		25,639
Diluted	26,434		26,143

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

3

DIGI INTERNATIONAL INC.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(UNAUDITED)

	Three months ended December 31,
	2012			2011
	(in thousands)
Net income	$	1,230		$	724
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	(289		)	(1,783		)
Net unrealized gain on investments, net of related tax effect of ($1) and ($9), respectively	1			14
Reclassification of realized loss included in net income, net of related tax effect of ($0) and ($5), respectively	—			7
Other comprehensive loss, net of tax	(288		)	(1,762		)
Comprehensive income (loss)	$	942		$	(1,038	)

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

4

DIGI INTERNATIONAL INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(UNAUDITED)

	December 31, 2012			September 30, 2012
	(in thousands, except share data)
ASSETS
Current assets:
Cash and cash equivalents	$	52,010		$	60,246
Marketable securities	49,512			58,372
Accounts receivable, net	24,704			24,634
Inventories	25,360			24,435
Deferred tax assets	3,449			3,389
Other	3,562			2,493
Total current assets	158,597			173,569
Marketable securities, long-term	3,278			2,016
Property, equipment and improvements, net	15,534			15,157
Identifiable intangible assets, net	13,021			10,629
Goodwill	103,391			86,209
Deferred tax assets	4,158			5,010
Other	498			494
Total assets	$	298,477		$	293,084
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	8,469		$	6,040
Income taxes payable	—			1,269
Accrued compensation	5,780			5,744
Accrued warranty	935			1,021
Accrued professional fees	986			695
Other	2,826			3,423
Total current liabilities	18,996			18,192
Income taxes payable	3,128			3,294
Deferred tax liabilities	576			630
Other noncurrent liabilities	107			111
Total liabilities	22,807			22,227
Contingencies (see Note 10)
Stockholders’ equity:
Preferred stock, $.01 par value; 2,000,000 shares authorized; none issued and outstanding	—			—
Common stock, $.01 par value; 60,000,000 shares authorized; 30,012,791 and 29,268,788 shares issued	300			293
Additional paid-in capital	207,441			199,495
Retained earnings	111,513			110,283
Accumulated other comprehensive loss	(14,013		)	(13,725		)
Treasury stock, at cost, 3,783,529 and 3,356,453 shares	(29,571		)	(25,489		)
Total stockholders’ equity	275,670			270,857
Total liabilities and stockholders’ equity	$	298,477		$	293,084

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

5

DIGI INTERNATIONAL INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(UNAUDITED)

	Three months ended December 31,
	2012			2011
	(in thousands)
Operating activities:
Net income	$	1,230		$	724
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of property, equipment and improvements	848			784
Amortization of identifiable intangible assets	1,071			1,245
Stock-based compensation	955			931
Excess tax benefits from stock-based compensation	(28		)	(13		)
Deferred income tax benefit	(542		)	(583		)
Bad debt/product return provision	221			323
Inventory obsolescence	250			476
Restructuring	—			236
Other	38			(274		)
Changes in operating assets and liabilities (net of acquisition)	(1,755		)	(3,607		)
Net cash provided by operating activities	2,288			242
Investing activities:
Purchase of marketable securities	(9,873		)	(22,789		)
Proceeds from maturities of marketable securities	17,473			12,298
Proceeds from sale of investment	—			135
Acquisition of business, net of cash acquired	(12,919		)	—
Purchase of property, equipment, improvements and certain other intangible assets	(1,427		)	(1,624		)
Net cash used in investing activities	(6,746		)	(11,980		)
Financing activities:
Excess tax benefits from stock-based compensation	28			13
Proceeds from stock option plan transactions	169			150
Proceeds from employee stock purchase plan transactions	248			314
Purchase of treasury stock	(4,226		)	—
Net cash (used in) provided by financing activities	(3,781		)	477
Effect of exchange rate changes on cash and cash equivalents	3			(855		)
Net decrease in cash and cash equivalents	(8,236		)	(12,116		)
Cash and cash equivalents, beginning of period	60,246			54,684
Cash and cash equivalents, end of period	$	52,010		$	42,568
Supplemental schedule of non-cash investing activities:
Issuance of common stock for business acquisition	$	(6,804	)	$	—

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

6

DIGI INTERNATIONAL INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(UNAUDITED)

1. BASIS OF PRESENTATION OF UNAUDITED INTERIM CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AND SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The interim unaudited condensed consolidated financial statements included in this Form 10-Q have been prepared by Digi International Inc. (the “Company,” “Digi,” “we,” “our,” or “us”) pursuant to the rules and regulations of the United States Securities and Exchange Commission (the “SEC”). Certain information and footnote disclosures, normally included in consolidated financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”), have been condensed or omitted, pursuant to such rules and regulations. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes thereto, including (but not limited to) the summary of significant accounting policies, presented in our Annual Report on Form 10-K for the year ended September 30, 2012 as filed with the SEC (“2012 Financial Statements”).

The condensed consolidated financial statements presented herein reflect, in the opinion of management, all adjustments which consist only of normal, recurring adjustments necessary for a fair statement of the condensed consolidated balance sheets and the condensed consolidated results of operations and cash flows for the periods presented. The condensed consolidated results of operations for any interim period are not necessarily indicative of results for the full year. The year-end condensed consolidated balance sheet data were derived from our 2012 Financial Statements, but do not include all disclosures required by U.S. GAAP.

Recently Issued Accounting Pronouncements

In August 2012, the SEC adopted a rule mandated by the Dodd-Frank Act to require companies to publicly disclose their use of conflict minerals that originated in the Democratic Republic of the Congo or an adjoining country. The final rule applies to a company that uses minerals including tantalum, tin, gold or tungsten. The final rule requires companies to provide disclosure on a new form filed with the SEC, with the first specialized disclosure report due on May 31, 2014, for the 2013 calendar year, and annually on May 31 each year thereafter. We are currently evaluating the impact of adoption.

In July 2012, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update ("ASU") 2012-02, "Intangibles - Goodwill and Other (Topic 350): Testing Indefinite-Lived Intangible Assets for Impairment." The FASB amended its guidance on testing of indefinite-lived intangible assets for impairment. Under the amended guidance, companies may perform a qualitative assessment to determine whether further impairment testing is necessary, similar to the amended goodwill impairment testing guidance noted below. The guidance for indefinite-lived intangible assets is effective for annual and interim tests performed for fiscal years beginning after September 15, 2012, with an option for early adoption. We adopted ASU 2012-02 in the first quarter of fiscal 2013. As we do not have any indefinite-lived intangible assets, this pronouncement does not have an effect on our consolidated financial statements.

In June 2011, the FASB issued ASU No. 2011-05, “Comprehensive Income (Topic 220): Presentation of Comprehensive Income” and was subsequently amended in December 2011. This guidance eliminates the option to report other comprehensive income and its components in the consolidated statement of stockholders' equity. Rather it requires that all non-owner changes in stockholders' equity be presented in either a single continuous statement of comprehensive income or in two separate but consecutive statements. This guidance also requires us to present on the face of the financial statements any reclassification adjustments for items that are reclassified from other comprehensive income to net income. The guidance is effective for fiscal years, and interim periods within those years, beginning after December 15, 2011. In December 2011, FASB issued ASU No. 2011-12 which amends this guidance and defers only the presentation of reclassification of items out of accumulated comprehensive income. We adopted the guidance for ASU No. 2011-05 and early adopted the guidance for ASU No. 2011-12 in the first quarter of fiscal 2013, with comprehensive income shown as a separate statement immediately following the condensed consolidated statements of operations. This statement includes the presentation of items that are reclassified out of accumulated comprehensive income. Since the new guidance only relates to presentation, its adoption did not impact our consolidated financial position, results of operations, or cash flows.

7

2. EARNINGS PER SHARE

Basic net income per common share is calculated based on the weighted average number of common shares outstanding during the period. Diluted net income per common share is computed by dividing net income by the weighted average number of common and potentially dilutive common shares outstanding during the period. Potentially dilutive common shares of our stock result from dilutive common stock options and shares purchased through our employee stock purchase plan.

The following table is a reconciliation of the numerators and denominators in the net income per common share calculations (in thousands, except per common share data):

	Three months ended December 31,
	2012		2011
Numerator:
Net income	$	1,230	$	724
Denominator:
Denominator for basic net income per common share — weighted average shares outstanding	26,188		25,639
Effect of dilutive securities:
Employee stock options and employee stock purchase plan	246		504
Denominator for diluted net income per common share — adjusted weighted average shares	26,434		26,143
Net income per common share, basic	$	0.05	$	0.03
Net income per common share, diluted	$	0.05	$	0.03

Because their effect would be anti-dilutive, certain potentially dilutive shares related to stock options to purchase common shares were not included in the above computation of diluted earnings per common share. This is because the options’ exercise prices were greater than the average market price of our common shares. There were 4,278,823 and 1,810,830 potentially dilutive shares related to such stock options for the three month periods ended December 31, 2012 and 2011, respectively.

3. ACQUISITION

Etherios, Inc.

On October 31, 2012, we acquired Etherios, Inc. ("Etherios"), a privately held corporation. The total purchase price of $20.5 million included $13.7 million in cash (excluding cash acquired of $0.8 million) and $6.8 million represented by 715,571 shares of our common stock. The common stock issued was valued at $9.508 per common share based on a per share value calculated as the average market price of the common stock during the fifteen trading days prior to the closing.

Cash in the amount of $2.35 million has been deposited to an escrow fund with a third party agent. Of the $2.35 million escrow, $0.3 million relates to a holdback amount pending final determination of the unpaid debt and working capital as shown on the closing balance sheet, that will be payable 90 days from the acquisition date. An additional $2.05 million will be held in escrow for a period not to exceed eighteen months from the date of closing to satisfy possible claims that may arise pursuant to specific representation and warranty sections of the stock purchase agreement. The escrowed amounts have been included in the determination of the purchase consideration on the date of acquisition as management expects that the representation and warranty matters is determinable beyond a reasonable doubt.

The purchase price was allocated to the estimated fair value of assets acquired and liabilities assumed. The purchase price allocation resulted in goodwill of $17.1 million. We believe that the acquisition resulted in the recognition of goodwill primarily because Etherios is a salesforce.com Platinum Partner and experienced in end user implementation of the Salesforce Service Cloud. Although we believe the relationship with salesforce.com is important to us, it is not an exclusive relationship and requires Etherios to compete with others for business opportunities.  We have preliminarily determined that this relationship cannot be valued as a separate intangible asset of Etherios and as a result is a component of goodwill. Further enhancements to the iDigi® Device Cloud™ will enable almost any machine, anywhere in the world, to connect rapidly and easily to the Salesforce Service Cloud.  By enabling real-time machine interactions with organizations' workflows, customers will be able to benefit dramatically through improved asset management, greater machine uptime and the ability to offer proactive customer service.

8

3. ACQUISITION (CONTINUED)

Etherios' operating results are included in the Company's consolidated results of operations from the date of acquisition. The consolidated balance sheet as of December 31, 2012 reflects the allocation of the purchase price to the assets acquired and liabilities assumed based on their estimated fair values at the date of acquisition.

The Etherios acquisition has been accounted for using the acquisition method of accounting which requires, among other things, that most assets acquired and liabilities assumed pursuant to the stock purchase agreement be recognized at fair value as of the acquisition date. Certain estimated values are not yet finalized (see below) and are subject to change, which could be significant. We will finalize the amounts recognized as information necessary to complete the analysis is obtained. We expect to finalize these amounts no later than the end of our third quarter of fiscal 2013. The following items remain subject to change:

• amounts for contingent liabilities, pending the finalization of our review of the Etherios contingent liabilities;

• certain tangible and intangible assets, pending the finalization of valuation procedures;

• certain assets and liabilities pending the results of a comprehensive accounting policy consistency review; and

• amounts for deferred tax assets and liabilities, pending the finalization of assets acquired, liabilities assumed and resulting goodwill.

The following table summarizes the values of Etherios assets acquired and liabilities assumed as of the acquisition date. To the extent previously discussed, such amounts are considered preliminary (in thousands):

Cash, including cash in escrow	$	13,696
Common stock	6,804
Total	$	20,500
Fair value of net tangible assets acquired	$	1,367
Identifiable intangible assets:
Existing customer relationships	1,400
Non-compete agreements	1,100
Trade name	440
Order backlog	360
Goodwill	17,120
Deferred tax liabilities related to identifiable intangibles	(1,287		)
Total	$	20,500

The weighted average useful life for all the identifiable intangibles listed above is 5.7 years. For purposes of determining fair value the existing customer relationships identified above are assumed to have useful lives ranging between six to eight years, non-compete agreements are assumed to have useful lives of five years, the trade name is assumed to have a useful life of seven years, and the order backlog is assumed to have a useful life of one year. Useful lives for identifiable intangible assets are estimated at the time of acquisition based on the periods of time from which we expect to derive benefits from the identifiable intangible assets. The identifiable intangible assets are amortized using the straight-line method which reflects the pattern in which the asset is expected to be consumed.

We have determined that the Etherios acquisition is not material to our consolidated results of operations or financial position. Therefore, pro forma financial information is not presented.

9

4. SELECTED BALANCE SHEET DATA

(in thousands)

	December 31, 2012		September 30, 2012
Accounts receivable, net:
Accounts receivable	$	25,092	$	24,929
Less allowance for doubtful accounts	388		295
	$	24,704	$	24,634
Inventories:
Raw materials	$	19,953	$	18,159
Work in process	191		428
Finished goods	5,216		5,848
	$	25,360	$	24,435

Inventories are stated at the lower of cost or market value, with cost determined using the first-in, first-out method.

5. MARKETABLE SECURITIES

Our marketable securities consist of certificates of deposit, commercial paper, corporate bonds and government municipal bonds. We analyze our available-for-sale marketable securities for impairment on an ongoing basis. When we perform this analysis, we consider factors such as the length of time and extent to which the securities have been in an unrealized loss position and the trend of any unrealized losses. We also consider whether an unrealized loss is a temporary loss or an other-than-temporary loss based on factors such as: (a) whether we have the intent to sell the security, or (b) whether it is more likely than not that we will be required to sell the security before its anticipated recovery, or (c) permanent impairment due to bankruptcy or insolvency.

In order to estimate the fair value for each security in our investment portfolio, where available, we obtain quoted market prices and trading activity for each security. We obtain relevant information from our investment advisor and also may review the financial solvency of certain security issuers if warranted. As of December 31, 2012, 36 of our 52 securities that we are holding were trading below our amortized cost basis. We determined each decline in value to be temporary based upon the above described factors. We expect to realize the fair value of these securities, plus accrued interest, either at the time of maturity or when the security is sold. All of our current holdings are classified as available-for-sale marketable securities and are recorded at fair value on our consolidated balance sheet with the unrealized gains and losses recorded in accumulated other comprehensive loss. All of our non-current marketable securities will mature in less than 15 months. At December 31, 2012 our marketable securities were (in thousands):

	Amortized Cost (1)		Unrealized Gains		Unrealized Losses (2)			Fair Value (1)
Current marketable securities:
Corporate bonds	$	31,486	$	6	$	(6	)	$	31,486
Commercial paper	1,999		—		(2		)	1,997
Certificates of deposit	5,760		—		(1		)	5,759
Government municipal bonds	10,272		—		(2		)	10,270
Current marketable securities	49,517		6		(11		)	49,512
Non-current marketable securities:
Corporate bonds	1,940		—		(5		)	1,935
Government municipal bonds	1,344		—		(1		)	1,343
Non-current marketable securities	3,284		—		(6		)	3,278
Total marketable securities	$	52,801	$	6	$	(17	)	$	52,790

(1) Included in amortized cost and fair value is purchased and accrued interest of $422.

(2) The aggregate related fair value of securities with unrealized losses as of December 31, 2012 was $33,589. These investments have been in an unrealized loss position for less than twelve months.

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5. MARKETABLE SECURITIES (CONTINUED)

At September 30, 2012 our marketable securities were (in thousands):

	Amortized Cost (1)		Unrealized Gains		Unrealized Losses (2)			Fair Value (1)
Current marketable securities:
Corporate bonds	$	39,306	$	14	$	(19	)	$	39,301
Commercial paper	2,000		—		—			2,000
Certificates of deposit	7,262		—		(4		)	7,258
Government municipal bonds	9,814		1		(2		)	9,813
Current marketable securities	58,382		15		(25		)	58,372
Non-current marketable securities:
Corporate bonds	2,019		—		(3		)	2,016
Total marketable securities	$	60,401	$	15	$	(28	)	$	60,388

(1) Included in amortized cost and fair value is purchased and accrued interest of $485.

(2) The aggregate related fair value of securities with unrealized losses as of September 30, 2012 was $34,503. These investments have been in an unrealized loss position for less than twelve months.

6. FAIR VALUE MEASUREMENTS

Fair value is defined as the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants as of the measurement date. This standard also establishes a hierarchy for inputs used in measuring fair value. This standard maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that the most observable inputs be used when available. Observable inputs are inputs market participants would use in valuing the asset or liability based on market data obtained from independent sources. Unobservable inputs are inputs that reflect our assumptions about the factors market participants would use in valuing the asset or liability based upon the best information available in the circumstances. The categorization of financial assets and liabilities within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement.

The hierarchy is broken down into the following three levels:

• Level 1 — Inputs are quoted prices in active markets for identical assets or liabilities.

• Level 2 — Inputs include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, and inputs (other than quoted prices) that are observable for the asset or liability, either directly or indirectly.

• Level 3 — Inputs are unobservable for the asset or liability and their fair values are determined using pricing models, discounted cash flow methodologies or similar techniques and at least one significant model assumption or input is unobservable. Level 3 may also include certain investment securities for which there is limited market activity or a decrease in the observability of market pricing for the investments, such that the determination of fair value requires significant judgment or estimation.

Fair value is applied to financial assets such as our marketable securities, which are classified and accounted for as available-for-sale. These items are stated at fair value at each reporting period using the above guidance.

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6. FAIR VALUE MEASUREMENTS (CONTINUED)

The following tables provide information by level for financial assets that are measured at fair value on a recurring basis (in thousands):

			Fair Value Measurements at December 31, 2012 using:
	Total carrying value at December 31, 2012		Quoted price in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Cash equivalents:
Money market	$	20,506	$	20,506	$	—	$	—
Available-for-sale marketable securities:
Corporate bonds	33,421		—		33,421		—
Commercial paper	1,997		—		1,997		—
Certificates of deposit	5,759		—		5,759		—
Government municipal bonds	11,613		—		11,613		—
Total cash equivalents and marketable securities measured at fair value	$	73,296	$	20,506	$	52,790	$	—

			Fair Value Measurements at September 30, 2012 using:
	Total carrying value at September 30, 2012		Quoted price in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Cash equivalents:
Money market	$	28,355	$	28,355	$	—	$	—
Available-for-sale marketable securities:
Corporate bonds	41,317		—		41,317		—
Commercial paper	2,000		—		2,000		—
Certificates of deposit	7,258		—		7,258		—
Government municipal bonds	9,813		—		9,813		—
Total cash equivalents and marketable securities measured at fair value	$	88,743	$	28,355	$	60,388	$	—

Cash equivalents are measured at fair value using quoted market prices in active markets for identical assets and are therefore classified as Level 1 assets. We value our Level 2 assets using inputs that are based on market indices of similar assets within an active market. There were no transfers in to or out of our Level 2 financial assets during the three months ended December 31, 2012.

We had no financial assets valued with Level 3 inputs as of December 31, 2012 nor did we purchase or sell any Level 3 financial assets during the three months ended December 31, 2012.

The use of different assumptions, applying different judgment to matters that are inherently subjective and changes in future market conditions could result in different estimates of fair value of our securities, currently and in the future. If market conditions deteriorate, we may incur impairment charges for securities in our investment portfolio.

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7. GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS

Amortizable identifiable intangible assets were (in thousands):

	December 31, 2012							September 30, 2012
	Gross carrying amount		Accum. amort.			Net		Gross carrying amount		Accum. amort.			Net
Purchased and core technology	$	46,603	$	(43,933	)	$	2,670	$	46,597	$	(43,639	)	$	2,958
License agreements	2,840		(2,701		)	139		2,840		(2,682		)	158
Patents and trademarks	11,550		(8,746		)	2,804		10,943		(8,469		)	2,474
Customer maintenance contracts	700		(700		)	—		700		(700		)	—
Customer relationships	18,929		(12,884		)	6,045		17,504		(12,465		)	5,039
Non-compete agreements	2,144		(1,081		)	1,063		1,045		(1,045		)	—
Order backlog	360		(60		)	300		—		—			—
Total	$	83,126	$	(70,105	)	$	13,021	$	79,629	$	(69,000	)	$	10,629

Amortization expense was $1.1 million and $1.2 million for the three month periods ended December 31, 2012 and 2011, respectively. Amortization expense is recorded on our consolidated statement of operations within cost of sales and in general and administrative expense. Estimated amortization expense related to identifiable intangible assets for the remainder of fiscal 2013 and the five succeeding fiscal years is (in thousands):

2013 (nine months)	$	3,393
2014	3,758
2015	2,611
2016	1,417
2017	700
2018	482

The changes in the carrying amount of goodwill are (in thousands):

	Three months ended December 31,
	2012		2011
Beginning balance, October 1	$	86,209	$	86,012
Acquisition of Etherios, Inc.	17,120		—
Foreign currency translation adjustment	62		(405		)
Ending balance, December 31	$	103,391	$	85,607

The goodwill related to the acquisition of Etherios is not tax deductible. Etherios is included in our single reporting segment for purposes of goodwill impairment testing. Goodwill is tested for impairment on an annual basis as of June 30, or more frequently if events or circumstances occur which could indicate impairment. An impairment could have a material effect on our consolidated balance sheet and results of operations. The calculation of asset impairment requires us to make assumptions about future cash flows and revenues. These assumptions require significant judgment and actual results may differ from assumed or estimated amounts. At June 30, 2012, our market capitalization was $264.3 million compared to our carrying value of $265.7 million. Our market capitalization plus our estimated control premium of 40% resulted in a fair value in excess of our carrying value by a margin of 39% and therefore no impairment was indicated.

13

8. INCOME TAXES

Income taxes have been provided at an overall effective rate of 33.4% and 30.1% for the three month periods ended December 31, 2012 and 2011, respectively. Our effective tax rate will vary based on a variety of factors, including overall profitability, the geographical mix of income before taxes and related statutory tax rate in each jurisdiction, and discrete events, such as settlements of audits.

In the first three months of fiscal 2013, we recorded a discrete tax benefit of $0.1 million for the release of income tax reserves due to the expiration of the statutes of limitation from various U.S. and foreign tax jurisdictions. These discrete tax benefits reduced our effective tax rate by 7.8 percentage points for the three month period ended December 31, 2012.

In the first three months of fiscal 2012, we recorded a discrete tax benefit of $0.1 million for the release of income tax reserves due to the expiration of statutes of limitation from various U.S. tax jurisdictions. This discrete tax benefit reduced our effective tax rate by 11.9 percentage points for the three month period ended December 31, 2011.

The effective tax rates for both the first quarters of fiscal 2013 and 2012, before consideration of the impact of discrete tax benefits, were higher than the statutory rate primarily due to lower domestic tax benefits and increases in certain tax reserves.

The American Taxpayer Relief Act of 2012, enacted January 2, 2013 retroactively extended the federal research and development tax credit for two years retroactively from January 1, 2012 through December 31, 2013. We will record the benefit for research credit earned for the last three quarters of fiscal 2012 of $0.4 million as a discrete tax benefit in the second quarter of fiscal 2013. In addition, beginning with the second quarter of fiscal 2013, our effective tax rate will include a tax benefit for the projected credit for the full fiscal year.

A reconciliation of the beginning and ending amount of unrecognized tax benefits is (in thousands):

Unrecognized tax benefits as of September 30, 2012	$	2,720
Decreases related to:
Expiration of statute of limitations	(98		)
Unrecognized tax benefits as of December 31, 2012	$	2,622

The total amount of unrecognized tax benefits that, if recognized, would affect our effective tax rate is $2.6 million. We expect that it is reasonably possible that the total amounts of unrecognized tax benefits will increase approximately $0.4 million to $0.5 million over the next 12 months due to additional reserves for federal research credits and increases in current year reserves, partially offset by the expiration of the statute of limitations.

We recognize interest and penalties related to income tax matters in income tax expense. During both the three month periods ended December 31, 2012 and 2011, there were insignificant amounts of interest and penalties related to income tax matters in income tax expense. We had accrued interest and penalties related to unrecognized tax benefits as of December 31, 2012 and September 30, 2012 of $0.5 million and $0.6 million, respectively. Our long-term income taxes payable on our condensed consolidated balance sheets includes these accrued interest and penalties in addition to the unrecognized tax benefits in the table above.

At December 31, 2012, we had approximately $23.3 million of accumulated undistributed foreign earnings, for which we have not accrued additional U.S. tax. Our policy is to reinvest earnings of our foreign subsidiaries indefinitely to fund current operations and provide for future international expansion opportunities, and only repatriate earnings to the extent that U.S. taxes have already been recorded. Although we have no current need to do so, if we change our assertion that we do not intend to repatriate additional undistributed foreign earnings for cash requirements in the United States, we would have to accrue applicable taxes. The amount of any taxes and the application of any tax credits would be determined based on the income tax laws at the time of such repatriation. Under current tax laws, we estimate the unrecognized deferred tax liability to be in the range of $2.5 million to $3.5 million and could have a material impact on our current consolidated balance sheet, results of operations and cash flows.

We operate in multiple tax jurisdictions both in the U.S. and outside of the U.S. Accordingly, we must determine the appropriate allocation of income to each of these jurisdictions. This determination requires us to make several estimates and assumptions. Tax audits associated with the allocation of this income, and other complex issues, may require an extended

14

8. INCOME TAXES (CONTINUED)

period of time to resolve and may result in adjustments to our income tax balances in those years that are material to our consolidated balance sheet and results of operations. We are no longer subject to income tax examination for tax years prior to fiscal 2009 in the case of U.S. federal tax authorities and prior to fiscal 2008 for non-U.S. income tax authorities. For state taxing authorities, consisting primarily of Minnesota and California, we are no longer subject to income tax examination for tax years generally before fiscal 2008.

9. PRODUCT WARRANTY OBLIGATION

In general, we warrant our products to be free from defects in material and workmanship under normal use and service. The warranty periods generally range from one to five years. We typically have the option to either repair or replace products we deem defective with regard to material or workmanship. Estimated warranty costs are accrued in the period that the related revenue is recognized based upon an estimated average per unit repair or replacement cost applied to the estimated number of units under warranty. These estimates are based upon historical warranty incidents and are evaluated on an ongoing basis to ensure the adequacy of the warranty accrual.

The following table summarizes the activity associated with the product warranty accrual (in thousands) and is included on our Condensed Consolidated Balance Sheets as its own line item within current liabilities:

	Balance at		Warranties		Settlements			Balance at
Period	October 1		issued		made			December 31
Three months ended December 31, 2012	$	1,021	$	50	$	(136	)	$	935
Three months ended December 31, 2011	$	941	$	220	$	(154	)	$	1,007

We are not responsible for, and do not warrant that, custom software versions, created by original equipment manufacturer (OEM) customers based upon our software source code, will function in a particular way, will conform to any specifications or are fit for any particular purpose. Further, we do not indemnify these customers from any third-party liability as it relates to or arises from any customization or modifications made by the OEM customer.

10. CONTINGENCIES

Patent Infringement Lawsuits

On May 29, 2012, U.S. Ethernet Innovations, LLC filed a patent infringement lawsuit against us in federal court in the Eastern District of Texas. The lawsuit included allegations against us and one other company pertaining to the infringement of three patents related to integrated circuits, including architectures of network adapters and transmission of data in certain network interfaces. The lawsuit seeks monetary and non-monetary relief. We cannot predict the outcome of this matter or estimate a range of loss at this time or whether it will have a materially adverse impact on our business prospects and our consolidated financial condition, results of operations or cash flows.

On May 11, 2010, SIPCO, LLC filed a complaint naming us as a defendant in federal court in the Eastern District of Texas.  This claim subsequently was moved to the Northern District of Georgia. The complaint included allegations against us and five other companies pertaining to the infringement of SIPCO's patents by wireless mesh networking and multi-port networking products. On October 23, 2012, we settled the lawsuit for a payment of $500,000, which was recorded during the fourth quarter of fiscal 2012, and we entered into a royalty-bearing license agreement for future sales of licensed products sold during the term of the agreement through 2018. We do not expect this license agreement to have a material impact on our consolidated financial statements in the future.

In addition to the matters discussed above, in the normal course of business, we are subject to various claims and litigation. There can be no assurance that any claims by third parties, if proven to have merit, will not materially adversely affect our business or financial condition.

15

11. RESTRUCTURING

U.S. Restructuring

On April 26, 2012, we announced our intention to restructure certain of our operations. We recorded $1.0 million of restructuring charges on a pre-tax basis. The restructuring relates primarily to changes being implemented to focus on a shift in our business to more aggressively sell end-to-end M2M solutions. As a result of this restructuring, we eliminated employment positions in our work force of 30 employees at a cost of $0.6 million for severance and have moved to hire new employees or re-assign existing employees into newly created positions. We also expect to incur expenses from vacating facilities in Davis, California and Huntington Beach, California at a cost of approximately $0.4 million. The payments associated with these charges and all the actions associated with the restructuring are expected to be completed by the second quarter of fiscal 2013.

Below is listed a summary of the restructuring charges and other activity within the restructuring accrual (in thousands):

	Employee Termination Costs			Other			Total
Restructuring charge at April 26, 2012	$	568		$	395		$	963
Payments	(555		)	(287		)	(842		)
Balance at September 30, 2012	$	13		$	108		$	121
Payments	—			(80		)	(80		)
Balance at December 31, 2012	$	13		$	28		$	41

16

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Our management’s discussion and analysis should be read in conjunction with our Annual Report on Form 10-K for the fiscal year ended September 30, 2012, as well as our reports on Forms 10-Q and 8-K and other publicly available information.

SAFE HARBOR STATEMENT UNDER THE PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995

This Form 10-Q contains certain statements that are “forward-looking statements” as that term is defined under the Private Securities Litigation Reform Act of 1995, and 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.

The words “assume,” “believe,” “anticipate,” “intend,” “estimate,” “target,” “may,” “will,” “expect,” “plan,” “project,” “should,” or “continue” or the negative thereof or other expressions, which are predictions of or indicate future events and trends and which do not relate to historical matters, identify forward-looking statements. Among other items, these statements relate to expectations of the business environment in which we operate, projections of future performance, perceived marketplace opportunities and statements regarding our mission and vision. Such statements are not guarantees of future performance and involve certain risks, uncertainties and assumptions, including risks related to the highly competitive market in which our company operates, rapid changes in technologies that may displace products sold by us, declining prices of networking products, our reliance on distributors and other third parties to sell our products, delays in product development efforts, uncertainty in user acceptance of our products, the ongoing shift of our sales efforts to focus more on the delivery of broader based solutions which can be a more complex sales process, has not been a historical sales focus of our company and can involve longer sales cycles than the sale of our legacy hardware products, the ability to integrate our products and services with those of other parties in a commercially accepted manner, potential liabilities that can arise if any of our products have design or manufacturing defects, our ability to defend or settle satisfactorily any litigation, uncertainty in global economic conditions and economic conditions within particular regions of the world which could negatively affect product demand and the financial solvency of customers and suppliers, the impact of natural disasters and other events beyond our control that negatively impact our supply chain and customers, the ability to achieve the anticipated benefits and synergies associated with acquisitions, such as our recent acquisition of Etherios, Inc., and changes in our level of revenue or profitability which can fluctuate for many reasons beyond our control. These and other risks, uncertainties and assumptions identified from time to time in our filings with the United States Securities and Exchange Commission, including without limitation, our annual report on Form 10-K for the year ended September 30, 2012 and subsequent quarterly reports on Form 10-Q and other filings, could cause the company’s future results to differ materially from those expressed in any forward-looking statements made by us or on our behalf. Many of such factors are beyond our ability to control or predict. These forward-looking statements speak only as of the date for which they are made. We disclaim any intent or obligation to update any forward-looking statements, whether as a result of new information, future events or otherwise.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES

Our discussion and analysis of our financial condition and results of operations are based upon our consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States of America. The preparation of our condensed consolidated financial statements requires us to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, the disclosure of contingent assets and liabilities and the values of purchased assets and assumed liabilities in acquisitions. We base our estimates on historical experience and various other assumptions 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 that are not readily apparent from other sources. Actual results may differ from these estimates.

A description of our critical accounting policies and estimates was provided in the Management’s Discussion and Analysis of Financial Condition and Results of Operations section of our Annual Report on Form 10-K for the year ended September 30, 2012. There have been no material changes to our critical accounting policies as disclosed in that report.

17

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)

OVERVIEW

We are a leading provider of machine to machine (M2M) networking products and solutions that enable the connection, monitoring and control of local or remote physical assets by electronic means. These networking products and solutions can connect communication hardware to a physical asset and convey information about the asset's status and performance, which can be sent to a computer system and used to improve or automate one or more processes. Increasingly these products and solutions are being deployed via wireless networks as wireless communications become more and more prevalent. Our products are deployed by a wide range of businesses and institutions. We compete for customers on the basis of existing and planned product features, service and software application capabilities, company reputation, brand recognition, technical support, relationships with partners, quality and reliability, product development capabilities, price and availability.

Net sales was $47.0 million for the first quarter of fiscal 2013, compared to $46.7 million for the first quarter of fiscal 2012, an increase of $0.3 million. First fiscal quarter 2013 results included the operations of Etherios beginning November 1, 2013. Etherios recorded net sales of $1.4 million in North America during the first quarter of fiscal 2013. We believe that the acquisition of Etherios will further enhances our solutions offerings and provides another channel for net sales of our networking products. Our net sales were impacted negatively in the first fiscal quarter of 2013 due to a lower than anticipated closure rate of large new customer projects, particularly in North America. North American net sales decreased by $0.8 million, or 2.7%, and international net sales increased by $1.1 million, or 5.8%, in the first quarter of fiscal 2013 compared to the comparable quarter a year ago. In the first quarter of fiscal 2012, we announced that the flooding in Thailand had impacted the operations of our contract manufacturer located near Bangkok, Thailand, resulting in a reduction of our net sales by approximately $3.0 million.

Revenue from growth products and services in the first quarter of fiscal 2013 was $25.8 million, or 55.0% of net sales, compared to $23.8 million, or 51.0% of net sales, in the first quarter of fiscal 2012, an increase of $2.0 million, or 8.6 %. Revenue from mature products was $21.2 million, or 45.0% of net sales, in the first quarter of fiscal 2013 compared to $22.9 million, or 49.0% of net sales, in the first quarter of fiscal 2012, a decrease of $1.7 million, or 7.1%. Our growth products portfolio includes Etherios' consulting services, all wireless products, as well as the ARM-based embedded module product line, which leverages the iDigi® platform with both wired and wireless connectivity. We believe that our serial servers, Rabbit-branded modules, chips and USB products are mature products and we expect that net sales of these products will continue to decrease in the future.

We implemented cost containment measures in the first quarter of fiscal 2013 to achieve targeted expense levels. Total operating expenses were lower by $0.8 million in the first quarter of fiscal 2013 compared to the comparable quarter a year ago. First quarter of fiscal 2013 expenses included $0.8 million of expenses that were contributed by Etherios.

Net income was $1.2 million in the first quarter of fiscal 2013, or $0.05 per diluted share, compared to $0.7 million, or $0.03 per diluted share, in the first quarter of fiscal 2012. Etherios impacted earnings per diluted share by less than one-half of a cent for the first quarter of fiscal 2013. Net income in the first quarter of fiscal 2013 included a tax benefit of $0.1 million, or $0.01 per diluted share, resulting from the reversal of tax reserves for closure of various jurisdictions' tax matters. Net income in the first quarter of fiscal 2012 included a restructuring charge of $0.2 million, net of taxes, or $0.01 per diluted share, offset by a tax benefit of $0.1 per diluted share, resulting from the reversal of tax reserves for closure of various jurisdictions' tax matters, and gain on the sale of an investment of $0.1 million, net of taxes, with no earnings per diluted share impact. We estimate that the flooding in Thailand had an approximately $0.05 impact on earnings per diluted share in the first quarter of fiscal 2012.

18

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)

CONSOLIDATED RESULTS OF OPERATIONS

The following table sets forth selected information derived from our interim condensed consolidated statements of operations (dollars in thousands):

	Three months ended December 31,								% incr.
	2012				2011				(decr.)
Net sales	$	46,991	100.0	%	$	46,662	100.0	%	0.7	%
Cost of sales	22,512		47.9		22,232		47.6		1.3
Gross profit	24,479		52.1		24,430		52.4		0.2
Operating expenses	22,807		48.6		23,614		50.6		(3.4	)
Operating income	1,672		3.5		816		1.8		104.9
Other income, net	176		0.4		219		0.4		(19.6	)
Income before income taxes	1,848		3.9		1,035		2.2		78.6
Income tax provision	618		1.3		311		0.6		98.7
Net income	$	1,230	2.6	%	$	724	1.6	%	69.9	%

NET SALES

Net sales increased by $0.3 million, or 0.7%, for the three months ended December 31, 2012 compared to the three months ended December 31, 2011. Net sales for the first three months of fiscal 2013 included Etherios net sales of $1.4 million from the date of acquisition. Our net sales were impacted negatively in the first fiscal quarter of 2013 due to a lower than anticipated closure rate of large new customer projects, particularly in North America. During the first quarter of fiscal 2012, net sales decreased by approximately $3.0 million from reduced availability of our products from our contract manufacturer located near Bangkok, Thailand due to the flooding that took place in that region. We did not experience a significant change in net sales as a result of pricing during the first quarter of fiscal 2013 or the first quarter of fiscal 2012.

Net Sales by Non-Embedded and Embedded Product Categories

The following summarizes our net sales by non-embedded and embedded product categories:

	Three months ended December 31,								% incr.
($ in thousands)	2012				2011				(decr.)
Non-embedded	$	24,573	52.3	%	$	24,835	53.2	%	(1.1	)%
Embedded	22,418		47.7		21,827		46.8		2.7
Total net sales	$	46,991	100.0	%	$	46,662	100.0	%	0.7	%

Non-embedded products

Our non-embedded net sales decreased by $0.3 million, or 1.1%, for the three months ended December 31, 2012 compared to the three months ended December 31, 2011. The decrease was driven primarily by a decrease of $1.9 million in net sales of serial servers and net sales of serial cards in our mature product set, partially offset by an increase of $1.6 million in cellular products and USB connected devices.

Embedded products

Our embedded net sales increased by $0.6 million, or 2.7%, for the three months ended December 31, 2012 compared to the three months ended December 31, 2011. Embedded net sales includes $1.4 million related to Etherios from date of acquisition, partially offset by a decrease of $0.8 million in net sales of embedded modules including Rabbit-branded modules. We believe that our Rabbit modules and chips and software are maturing and will continue to experience declines in net sales. In certain instances, Rabbit products may be replaced by other Digi products.

19

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)

Net Sales by Wireless, Wired and Other Product Categories

	Three months ended December 31,								% incr.
($ in thousands)	2012				2011				(decr.)
Wireless	$	21,665	46.1	%	$	19,835	42.5	%	9.2	%
Wired	23,905		50.9		26,827		57.5		(10.9	)
Other	1,421		3.0		—		N/A		N/A
Total net sales	$	46,991	100.0	%	$	46,662	100.0	%	0.7	%

Our wireless products and services comprised 46.1% of our total net sales for the first quarter of fiscal 2013 and 42.5% of our net sales for the first quarter of fiscal 2012. We anticipate that our sales of wireless products and services will grow at a faster rate than the decline of our sales of wired products. As we continue to transition to a wireless products and solutions-based sales organization, we may experience uneven demand, that may cause fluctuations in revenue in future quarters. The other category includes consulting services revenue provided by Etherios.

Net Sales by Geographic Location

The following summarizes our total net sales by geographic region for all products:

	Three months ended December 31,				$ incr.			% incr.
($ in thousands)	2012		2011		(decr.)			(decr.)
North America	$	27,002	$	27,764	$	(762	)	(2.7	)%
EMEA	11,983		11,574		409			3.5
Asia countries	6,492		5,627		865			15.4
Latin America	1,514		1,697		(183		)	(10.8	)
Total net sales	$	46,991	$	46,662	$	329		0.7	%

Net sales in North America decreased by $0.8 million for the three months ended December 31, 2012 compared to the same period ended December 31, 2011. North America net sales includes net sales of $1.4 million related to Etherios. Lower than anticipated closure rate of large new customer projects, and a decrease in serial cards and Rabbit-branded product net sales resulted in lower revenue compared to the comparable period in the prior fiscal year. Net sales in Europe, Middle East & Africa (“EMEA”) increased by $0.4 million for the three months ended December 31, 2012 compared to the same period ended December 31, 2011 primarily due to an increase in cellular product net sales. Asia countries net sales increased by $0.9 million for the three months ended December 31, 2012 compared to the same period ended December 31, 2011 primarily due to an increase in project-based revenue. Net sales in Latin America decreased by $0.2 million for the three months ended December 31, 2012 compared to the same period ended December 31, 2011.

The fluctuation of foreign currency rates had an unfavorable impact on net sales of $0.1 million for the three month period ended December 31, 2012, respectively, when compared to the same periods a year ago, primarily related to the weakening of the Euro compared to the U.S. dollar.

GROSS MARGIN

Gross margins were 52.1% and 52.4% for the three months periods ended December 31, 2012 and 2011, respectively. The decrease in the gross margin for the three month periods ended December 31, 2012 as compared to the same periods a year ago primarily was due to the inclusion of gross margins from Etherios' consulting services. The margins on these services are generally lower than our products' margins. The decrease in gross margin as a percent of net sales was also attributable to a slight increase in operational expenses. The decrease was offset partially by favorable product mix and reduced amortization of purchased and core technology related to intangible assets now fully amortized.

20

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)

OPERATING EXPENSES

The following summarizes our total operating expenses, in dollars and as a percentage of net sales:

	Three months ended December 31,								$ incr.
($ in thousands)	2012				2011				(decr.)
Sales and marketing	$	10,274	21.9	%	$	10,099	21.7	%	$	175
Research and development	7,417		15.8		8,232		17.6		(815		)
General and administrative	5,116		10.9		5,047		10.8		69
Restructuring	—		—		236		0.5		(236		)
Total operating expenses	$	22,807	48.6	%	$	23,614	50.6	%	$	(807	)

Sales and marketing expenses for the three months ended December 31, 2012 as compared to the three months ended December 31, 2011, increased by $0.2 million primarily related to compensation expense.

Research and development expenses decreased $0.8 million for the three months ended December 31, 2012 as compared to the three months ended December 31, 2011 due primarily to a decrease of $0.5 million in product certification and custom development costs and a decrease of $0.3 million in compensation expense related to lower headcount.

General and administrative expenses increased $0.1 million for the three months ended December 31, 2012 as compared to the three months ended December 31, 2011. The increase was primarily related to an increase in professional fees which was partially offset by a decrease in compensation-related expenses and bad debt expense.

Restructuring expense was $0.2 million during the three months ended December 31, 2011 related to the Breisach, Germany restructuring announced July 21, 2011.

OTHER INCOME (EXPENSE), NET

Other income (expense), net remained unchanged for the three months ended December 31, 2012 compared to the three months ended December 31, 2011 as there was additional foreign currency gain of $0.1 million for the first quarter of fiscal 2013 which was offset by a reduction in $0.1 million due to a gain on the sale of an investment for $0.1 million in the first quarter of fiscal 2012.

INCOME TAXES

Income taxes have been provided at an overall effective rate of 33.4% and 30.1% for the three month periods ended December 31, 2012 and 2011, respectively. Our effective tax rate will vary based on a variety of factors, including overall profitability, the geographical mix of income before taxes and related statutory tax rate in each jurisdiction, and discrete events, such as settlements of audits.

In the first three months of fiscal 2013, we recorded a discrete tax benefit of $0.1 million for the release of income tax reserves due to the expiration of the statutes of limitation from various U.S. and foreign tax jurisdictions. These discrete tax benefits reduced our effective tax rate by 7.8 percentage points for the three month period ended December 31, 2012.

In the first three months of fiscal 2012, we recorded a discrete tax benefit of $0.1 million for the release of income tax reserves due to the expiration of statutes of limitation from various U.S. tax jurisdictions. This discrete tax benefit reduced our effective tax rate by 11.9 percentage points for the three month period ended December 31, 2011.

The effective tax rates for both the first quarters of fiscal 2013 and 2012, before consideration of the impact of discrete tax benefits, were higher than the statutory rate primarily due to lower domestic tax benefits and increases in certain tax reserves.

21

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)

LIQUIDITY AND CAPITAL RESOURCES

We have financed our operations and capital expenditures principally with funds generated from operations. At December 31, 2012, we had cash, cash equivalents and short-term marketable securities of $101.5 million compared to $118.6 million at September 30, 2012. Our working capital (total current assets less total current liabilities) was $139.6 million at December 31, 2012 and $155.4 million at September 30, 2012. We presently anticipate total fiscal 2013 capital expenditures will be approximately $3.9 million.

Reconciliation of Changes in Operating Assets and Liabilities:

	Three months ended December 31,						$ incr.
($ in thousands)	2012			2011			(decr.)
Accounts receivable	$	943		$	1,802		$	(859	)
Inventories	(1,177		)	(1,739		)	562
Other assets	(973		)	(827		)	(146		)
Accounts payable	1,896			719			1,177
Income taxes	(1,443		)	(753		)	(690		)
Accrued expenses	(1,001		)	(2,809		)	1,808
Changes in operating assets and liabilities	$	(1,755	)	$	(3,607	)	$	1,852

Net cash provided by operating activities was $2.3 million for the three months ended December 31, 2012 as compared to $0.3 million for the three months ended December 31, 2011, a net increase of $2.0 million. This is primarily due to changes in working capital of $1.9 million. This was due to lower bonus payouts relating to the fiscal 2012 bonus plan in the first quarter of fiscal 2013 compared to the prior fiscal year, an increase in accounts payable balances due to additional inventory purchases, partially offset by a decrease in accounts receivable in the first quarter of fiscal 2012.

Net cash used in investing activities was $6.8 million during the three months ended December 31, 2012 as compared to $12.0 million for the three months ended December 31, 2011, a net increase of $5.2 million. During the first three months of fiscal 2013 as compared to the first three months of fiscal 2012, we had net proceeds from maturities of marketable securities of $7.6 million in the first quarter of fiscal 2013 offset by net purchases of $10.5 million in the first quarter of fiscal 2012. This was partially offset by an expenditure of $12.9 million, net of cash acquired, for the purchase of Etherios, Inc.

Cash used by financing activities was $3.8 million for the three months ended December 31, 2012 and cash provided by financing activities of $0.5 million for the three months ended December 31, 2011, a net decrease of $4.3 million. The majority of this decrease was due to our purchase of treasury stock of $4.2 million during the three months ended December 31, 2012.

We expect positive cash flows from operations and believe that our current cash, cash equivalents and marketable securities balances, cash generated from operations and our ability to secure debt and/or equity financing will be sufficient to fund our business operations and capital expenditures for the next twelve months and beyond. On July 25, 2012 our Board of Directors authorized a new program to repurchase up to $20.0 million of our common stock. This repurchase authorization expires on September 30, 2013. During the first quarter of fiscal 2013, we repurchased 458,007 shares for $4.3 million of which 10,400 shares at $0.1 million were not settled as of December 31, 2012.

At December 31, 2012, our total cash and cash equivalents and short-term marketable securities balance was $101.5 million This balance includes approximately $29.5 million of cash and cash equivalents held by our controlled foreign subsidiaries of which $23.3 million represents accumulated undistributed foreign earnings. Although we have no current need to do so, if we change our assertion that we do not intend to repatriate additional undistributed foreign earnings for cash requirements in the United States, we would have to accrue applicable taxes. The amount of any taxes and the application of any tax credits would be determined based on the income tax laws at the time of such repatriation. Under current tax laws, we estimate the unrecognized deferred tax liability to be in the range of $2.5 million to $3.5 million and could have a material impact on our current consolidated balance sheet, results of operations and cash flows.

RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS

In August 2012, the U.S. Securities and Exchange Commission (the “SEC”) adopted a rule mandated by the Dodd-Frank Act to require companies to publicly disclose their use of conflict minerals that originated in the Democratic Republic of the Congo or

22

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)

an adjoining country. The final rule applies to a company that uses minerals including tantalum, tin, gold or tungsten. The final rule requires companies to provide disclosure on a new form filed with the SEC, with the first specialized disclosure report due on May 31, 2014, for the 2013 calendar year, and annually on May 31 each year thereafter. We are currently evaluating the impact of adoption.

In July 2012, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update ("ASU") 2012-02, "Intangibles - Goodwill and Other (Topic 350): Testing Indefinite-Lived Intangible Assets for Impairment." The FASB amended its guidance on testing of indefinite-lived intangible assets for impairment. Under the amended guidance, companies may perform a qualitative assessment to determine whether further impairment testing is necessary, similar to the amended goodwill impairment testing guidance noted below. The guidance for indefinite-lived intangible assets is effective for annual and interim tests performed for fiscal years beginning after September 15, 2012, with an option for early adoption. We adopted ASU 2012-02 in the first quarter of fiscal 2013. As we do not have any indefinite-lived intangible assets, this pronouncement does not have an effect on our consolidated financial statements.

In June 2011, the FASB issued ASU No. 2011-05, “Comprehensive Income (Topic 220): Presentation of Comprehensive Income” and was subsequently amended in December 2011. This guidance eliminates the option to report other comprehensive income and its components in the consolidated statement of stockholders' equity. Rather it requires that all non-owner changes in stockholders' equity be presented in either a single continuous statement of comprehensive income or in two separate but consecutive statements. This guidance also requires us to present on the face of the financial statements any reclassification adjustments for items that are reclassified from other comprehensive income to net income. The guidance is effective for fiscal years, and interim periods within those years, beginning after December 15, 2011. In December 2011, FASB issued ASU No. 2011-12 which amends this guidance and defers only the presentation of reclassification of items out of accumulated comprehensive income. We adopted the guidance for ASU No. 2011-05 and early adopted the guidance for ASU No. 2011-12 in the first quarter of fiscal 2013, with comprehensive income shown as a separate statement immediately following the condensed consolidated statements of operations. This statement includes the presentation of items that are reclassified out of accumulated comprehensive income. Since the new guidance only relates to presentation, its adoption did not impact our consolidated financial position, results of operations, or cash flows.

23

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

INTEREST RATE RISK

Our exposure to interest rate risk relates primarily to our investment portfolio. Our marketable securities are classified as available-for-sale and are carried at fair value. Marketable securities consist of certificates of deposit, commercial paper, corporate bonds and government municipal bonds. Our investment policy specifies the types of eligible investments and minimum credit quality of our investments, as well as diversification and concentration limits which mitigate our risk. We do not use derivative financial instruments to hedge against interest rate risk because the majority of our investments mature in less than a year.

FOREIGN CURRENCY RISK

We have transactions that are executed in the U.S. Dollar, British Pound, Euro, Japanese Yen and Indian Rupee. As a result, we are exposed to foreign currency transaction risk associated with certain sales transactions being denominated in Euros, British Pounds, Japanese Yen or Indian Rupees, and foreign currency translation risk as the financial position and operating results of our foreign subsidiaries are translated into U.S. Dollars for consolidation. We have not implemented a formal hedging strategy to reduce foreign currency risk.

For the three months ended December 31, 2012 and 2011, we had approximately $20.0 million and $18.9 million, respectively, of net sales to foreign customers including export sales. Of these sales, $6.1 million and $6.0 million, respectively, were denominated in foreign currency, predominantly Euros and British Pounds. In future periods, we expect a significant portion of sales will continue to be made in both Euros and British Pounds.

The table below compares the average monthly exchange rates of the Euro, British Pound, Japanese Yen and Indian Rupee to the U.S. Dollar:

	Three months ended December 31,		% increase
	2012	2011	(decrease)
Euro	1.2972	1.3486	(3.8	)%
British Pound	1.6064	1.5719	2.2	%
Japanese Yen	0.0123	0.0129	(4.7	)%
Indian Rupee	0.0185	0.0195	(5.1	)%

A 10% change from the first three months of fiscal year 2013 average exchange rate for the Euro, British Pound, Japanese Yen and Indian Rupee to the U.S. Dollar would have resulted in a 1.3% increase or decrease in net sales and a 1.9% increase or decrease in stockholders’ equity due to foreign currency translation. The above analysis does not take into consideration any pricing adjustments we might consider in response to changes in such exchange rates.

CREDIT RISK

We have some exposure to credit risk related to our accounts receivable portfolio. Exposure to credit risk is controlled through regular monitoring of customer financial status, credit limits and collaboration with sales management on customer contacts to facilitate payment.

Investments are made in accordance with our investment policy and consist of certificates of deposit, commercial paper, money market funds, government municipal bonds and corporate bonds. We may have some credit exposure related to the fair value of our securities, which could change based on changes in market conditions. If market conditions deteriorate or if these securities experience credit rating downgrades, we may incur impairment charges for securities in our investment portfolio. All of our securities are held domestically.

24

ITEM 4. CONTROLS AND PROCEDURES

EVALUATION OF DISCLOSURE CONTROLS AND PROCEDURES

As of the end of the period covered by this report, we conducted an evaluation, under the supervision and with the participation of the principal executive officer and principal financial officer, of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934 (the “Exchange Act”)). Based on this evaluation, the principal executive officer and principal financial officer concluded that our disclosure controls and procedures were effective to ensure that information required to be disclosed by us in reports that we file or submit under the Exchange Act was recorded, processed, summarized and reported within the time periods specified in SEC rules and forms and is accumulated and communicated to our management, including the principal executive and principal financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.

CHANGES IN INTERNAL CONTROL OVER FINANCIAL REPORTING

There was no change in our internal control over financial reporting during our most recently completed fiscal quarter that materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

25

PART II. OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

The disclosures set forth in Note 10 to the Condensed Consolidated Financial Statements in Part I, Item 1 of this Form 10-Q are incorporated herein by reference.

ITEM 1A. RISK FACTORS

There have been no material changes in our risk factors from those previously disclosed in Item 1A of Part I of our Annual Report on Form 10-K for the year ended September 30, 2012.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

On July 25, 2012 our Board of Directors authorized a new program to repurchase up to $20.0 million of our common stock and terminated the prior repurchase authorization. This repurchase authorization expires on September 30, 2013. During the first quarter of fiscal 2013, we began to repurchase our common stock in the open market. The following table presents our repurchases during the first quarter of fiscal 2013:

Period	Total Number of Shares Purchased	Average Price Paid per Share	Total Number of Shares Purchased as Part of a Publicly Announced Program	Maximum Dollar Value of Shares that May Yet Be Purchased Under the Program
October 1, 2012 - October 31, 2012	107,184	$9.37	107,184	$18,996,059.57
November 1, 2012 - November 30, 2012	224,505	$9.41	224,505	$16,883,784.29
December 1, 2012 - December 31, 2012 (1)	126,318	$9.56	126,318	$15,676,217.19
Total	458,007	$9.44	458,007	$15,676,217.19
(1) Includes 10,400 shares purchased for $98,342 that were not settled by December 31, 2012. Share repurchases are included within the Condensed Consolidated Statements of Cash Flows based on settlement date.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None

ITEM 4. MINE SAFETY DISCLOSURES

None

ITEM 5. OTHER INFORMATION

None

26

ITEM 6. EXHIBITS

Exhibit No.		Description
3	(a)	Restated Certificate of Incorporation of the Company, as amended (1)
3	(b)	Amended and Restated By-Laws of the Company (2)
4	(a)	Share Rights Agreement, dated as of April 22, 2008, between the Company and Wells Fargo Bank, N.A., as Rights Agent (3)
4	(b)	Form of Amended and Restated Certificate of Powers, Designations, Preferences and Rights of Series A Junior Participating Preferred Shares (4)
31	(a)	Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer
31	(b)	Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer
32		Section 1350 Certification
101.INS		XBRL Instance Document
101.SCH		XBRL Taxonomy Extension Schema Document
101.CAL		XBRL Taxonomy Calculation Linkbase Document
101.DEF		XBRL Taxonomy Definition Linkbase Document
101.LAB		XBRL Taxonomy Label Linkbase Document
101.PRE		XBRL Taxonomy Presentation Linkbase Document

______________

(1) Incorporated by reference to Exhibit 3(a) to the Company’s Form 10-K for the year ended September 30, 1993 (File No. 0-17972)

(2) Incorporated by reference to Exhibit 3 to the Company’s Current Report on Form 8-K filed January 21, 2011 (File No. 1-34033)

(3) Incorporated by reference to Exhibit 4(a) to the Company’s Registration Statement on Form 8-A filed on April 25, 2008 (File No. 1-34033)

(4) Incorporated by reference to Exhibit 4(b) to the Company’s Registration Statement on Form 8-A filed on April 25, 2008 (File No. 1-34033)

27

SIGNATURE

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.

		DIGI INTERNATIONAL INC.
Date:	February 1, 2013	By:	/s/ Steven E. Snyder
			Steven E. Snyder
			Senior Vice President, Chief Financial Officer and Treasurer (Principal Financial Officer and Duly Authorized Officer)

28

EXHIBIT INDEX

Exhibit Number		Document Description	Form of Filing
3	(a)	Restated Certificate of Incorporation of the Company, as Amended	Incorporated by Reference
3	(b)	Amended and Restated By-Laws of the Company	Incorporated by Reference
4	(a)	Share Rights Agreement, dated as of April 22, 2008, between the Company and Wells Fargo Bank, N.A., as Rights Agent	Incorporated by Reference
4	(b)	Form of Amended and Restated Certificate of Powers, Designations, Preferences and Rights of Series A Junior Participating Preferred Shares	Incorporated by Reference
31	(a)	Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer	Filed Electronically
31	(b)	Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer	Filed Electronically
32		Section 1350 Certification	Filed Electronically
101.INS		XBRL Instance Document	Filed Electronically
101.SCH		XBRL Taxonomy Extension Schema Document	Filed Electronically
101.CAL		XBRL Taxonomy Calculation Linkbase Document	Filed Electronically
101.DEF		XBRL Taxonomy Definition Linkbase Document	Filed Electronically
101.LAB		XBRL Taxonomy Label Linkbase Document	Filed Electronically
101.PRE		XBRL Taxonomy Presentation Linkbase Document	Filed Electronically

29

EX-31.A

Exhibit No. 31(a)

CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Joseph T. Dunsmore, certify that:

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

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

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

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

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

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

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

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

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

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

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

February 1, 2013	/s/ Joseph T. Dunsmore
	Joseph T. Dunsmore
	President, Chief Executive Officer and Chairman

EX-31.B

Exhibit No. 31(b)

CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Steven E. Snyder, certify that:

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

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

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

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

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

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

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

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

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

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

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

February 1, 2013	/s/ Steven E. Snyder
	Steven E. Snyder
	Senior Vice President, Chief Financial Officer and Treasurer

EX-32

Exhibit No. 32

CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Digi International Inc. (the Registrant) on Form 10-Q for the fiscal quarter ending December 31, 2012 as filed with the Securities and Exchange Commission on the date hereof, each of the undersigned certifies, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Quarterly Report on Form 10-Q complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Quarterly Report on Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

February 1, 2013
	/s/ Joseph T. Dunsmore
	Joseph T. Dunsmore
	President, Chief Executive Officer, and Chairman
	/s/ Steven E. Snyder
	Steven E. Snyder
	Senior Vice President, Chief Financial Officer and Treasurer

XML

Product Warranty Obligation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Product Warranties Disclosures [Abstract]
Warranty period, minimum	1 year
Warranty period, maximum	5 years
Standard Product Warranty Accrual [Roll Forward]
Beginning balance	$ 1,021	$ 941
Warranties issued	50	220
Settlements made	136	154
Ending balance	$ 935	$ 1,007

XML

Marketable Securities (Details) (USD $) In Thousands, unless otherwise specified									3 Months Ended
	Dec. 31, 2012 Securities		Sep. 30, 2012		Dec. 31, 2012 Current Assets [Member]		Sep. 30, 2012 Current Assets [Member]		Dec. 31, 2012 Non-current Assets [Member]		Dec. 31, 2012 Corporate Bonds [Member] Current Assets [Member]		Sep. 30, 2012 Corporate Bonds [Member] Current Assets [Member]		Dec. 31, 2012 Corporate Bonds [Member] Non-current Assets [Member]		Sep. 30, 2012 Corporate Bonds [Member] Non-current Assets [Member]		Dec. 31, 2012 Commercial Paper [Member] Current Assets [Member]		Sep. 30, 2012 Commercial Paper [Member] Current Assets [Member]		Dec. 31, 2012 Certificates of Deposit [Member] Current Assets [Member]		Sep. 30, 2012 Certificates of Deposit [Member] Current Assets [Member]		Dec. 31, 2012 Government Municipal Bonds [Member] Current Assets [Member]		Sep. 30, 2012 Government Municipal Bonds [Member] Current Assets [Member]		Dec. 31, 2012 Government Municipal Bonds [Member] Non-current Assets [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of securities below amortized cost basis	36
Number of securities	52
Maturity period									15 months
Amortized cost	$ 52,801	[1]	$ 60,401	[2]	$ 49,517	[1]	$ 58,382	[2]	$ 3,284	[1]	$ 31,486		$ 39,306		$ 1,940		$ 2,019		$ 1,999		$ 2,000		$ 5,760		$ 7,262		$ 10,272		$ 9,814		$ 1,344
Unrealized gains	6		15		6		15		0		6		14		0		0		0		0		0		0		0		1		0
Unrealized losses	(17)	[3]	(28)	[4]	(11)	[3]	(25)	[4]	(6)	[3]	(6)		(19)		(5)		(3)		(2)		0		(1)		(4)		(2)		(2)		(1)
Fair Value	52,790	[1]	60,388	[2]	49,512	[1]	58,372	[2]	3,278	[1]	31,486	[1]	39,301	[2]	1,935	[1]	2,016	[2]	1,997	[1]	2,000	[2]	5,759	[1]	7,258	[2]	10,270	[1]	9,813	[2]	1,343	[1]
Purchased and accrued interest	422		485
Aggregate related fair value of securities with unrealized losses	$ 33,589		$ 34,503

[1] Included in amortized cost and fair value is purchased and accrued interest of $422

[2] Included in amortized cost and fair value is purchased and accrued interest of $485

[3] The aggregate related fair value of securities with unrealized losses as of December 31, 2012 was $33,589

[4] The aggregate related fair value of securities with unrealized losses as of September 30, 2012 was $34,503.

XML

Goodwill and other Identifiable Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Amortizable Identifiable Intangible Assets

Amortizable identifiable intangible assets were (in thousands):

	December 31, 2012							September 30, 2012
	Gross carrying amount		Accum. amort.			Net		Gross carrying amount		Accum. amort.			Net
Purchased and core technology	$	46,603	$	(43,933	)	$	2,670	$	46,597	$	(43,639	)	$	2,958
License agreements	2,840		(2,701		)	139		2,840		(2,682		)	158
Patents and trademarks	11,550		(8,746		)	2,804		10,943		(8,469		)	2,474
Customer maintenance contracts	700		(700		)	—		700		(700		)	—
Customer relationships	18,929		(12,884		)	6,045		17,504		(12,465		)	5,039
Non-compete agreements	2,144		(1,081		)	1,063		1,045		(1,045		)	—
Order backlog	360		(60		)	300		—		—			—
Total	$	83,126	$	(70,105	)	$	13,021	$	79,629	$	(69,000	)	$	10,629

Schedule of Estimated Amortization Expense Related to Identifiable Intangible Assets

Estimated amortization expense related to identifiable intangible assets for the remainder of fiscal 2013 and the five succeeding fiscal years is (in thousands):

2013 (nine months)	$	3,393
2014	3,758
2015	2,611
2016	1,417
2017	700
2018	482

Schedule of Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill are (in thousands):

	Three months ended December 31,
	2012		2011
Beginning balance, October 1	$	86,209	$	86,012
Acquisition of Etherios, Inc.	17,120		—
Foreign currency translation adjustment	62		(405		)
Ending balance, December 31	$	103,391	$	85,607

XML

Goodwill and other Identifiable Intangible Assets Goodwill (Details) (USD $)	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2012	Jun. 30, 2012	Jun. 30, 2011
Goodwill [Roll Forward]
Beginning balance	$ 86,209,000	$ 86,012,000
Acquisition of Etherios, Inc.	17,120,000	0
Foreign currency translation adjustment	62,000	(405,000)
Ending balance	103,391,000	85,607,000
Goodwill [Line Items]
Market capitalization				264,300,000
Stockholders' Equity Attributable to Parent	$ 275,670,000		$ 270,857,000	$ 265,700,000
Control premium percent				40.00%
Goodwill, Impairment Test, Fair Value in Excess of Carrying Value, Percent					39.00%

XML

Earnings Per Share

3 Months Ended

Dec. 31, 2012

Earnings Per Share [Abstract]

EARNINGS PER SHARE

EARNINGS PER SHARE

Basic net income per common share is calculated based on the weighted average number of common shares outstanding during the period. Diluted net income per common share is computed by dividing net income by the weighted average number of common and potentially dilutive common shares outstanding during the period. Potentially dilutive common shares of our stock result from dilutive common stock options and shares purchased through our employee stock purchase plan.

The following table is a reconciliation of the numerators and denominators in the net income per common share calculations (in thousands, except per common share data):

	Three months ended December 31,
	2012		2011
Numerator:
Net income	$	1,230	$	724
Denominator:
Denominator for basic net income per common share — weighted average shares outstanding	26,188		25,639
Effect of dilutive securities:
Employee stock options and employee stock purchase plan	246		504
Denominator for diluted net income per common share — adjusted weighted average shares	26,434		26,143
Net income per common share, basic	$	0.05	$	0.03
Net income per common share, diluted	$	0.05	$	0.03

Because their effect would be anti-dilutive, certain potentially dilutive shares related to stock options to purchase common shares were not included in the above computation of diluted earnings per common share. This is because the options’ exercise prices were greater than the average market price of our common shares. There were 4,278,823 and 1,810,830 potentially dilutive shares related to such stock options for the three month periods ended December 31, 2012 and 2011, respectively.

XML

Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Earnings Per Share [Abstract]
Net income	$ 1,230	$ 724
Denominator for basic net income per common share — weighted average shares outstanding	26,188,000	25,639,000
Effect of dilutive securities [Abstract]
Employee stock options and employee stock purchase plan	246,000	504,000
Denominator for diluted net income per common share — adjusted weighted average shares	26,434,000	26,143,000
Net income per common share, basic	$ 0.05	$ 0.03
Net income per common share, diluted	$ 0.05	$ 0.03
Antidilutive securities excluded from computation of earnings per share	4,278,823	1,810,830

XML

Restructuring (Tables) (United States Restructuring [Member])

9 Months Ended

Jun. 30, 2012

United States Restructuring [Member]

Restructuring Cost and Reserve [Line Items]

Schedule of Restructuring Reserve

Below is listed a summary of the restructuring charges and other activity within the restructuring accrual (in thousands):

	Employee Termination Costs			Other			Total
Restructuring charge at April 26, 2012	$	568		$	395		$	963
Payments	(555		)	(287		)	(842		)
Balance at September 30, 2012	$	13		$	108		$	121
Payments	—			(80		)	(80		)
Balance at December 31, 2012	$	13		$	28		$	41

XML

Acquisition (Details) (USD $)					0 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Oct. 31, 2012 Etherios [Member]	Oct. 31, 2012 Maximum [Member]
Business Acquisition [Line Items]
Total purchase price					$ 20,500,000
Cash, including cash in escrow					13,696,000
Cash acquired					800,000
Common stock					6,804,000
Common stock issued per common share					9.508
Amount in escrow					2,350,000
Escrow holdback					300,000
Payable period					90 days
Escrow cash					2,050,000
Escrow cash period						18 months
Goodwill	$ 103,391,000	$ 86,209,000	$ 85,607,000	$ 86,012,000	$ 17,120,000

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Acquisition (Purchase Price Allocation) (Details) (USD $) In Thousands, unless otherwise specified					0 Months Ended		0 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Oct. 31, 2012 Etherios [Member]	Oct. 31, 2012 Existing Customer Relationships [Member] Etherios [Member]	Oct. 31, 2012 Existing Customer Relationships [Member] Etherios [Member] Minimum [Member]	Oct. 31, 2012 Existing Customer Relationships [Member] Etherios [Member] Maximum [Member]	Oct. 31, 2012 Non-compete Agreements [Member] Etherios [Member]	Oct. 31, 2012 Trade Name [Member] Etherios [Member]	Oct. 31, 2012 Order Backlog [Member] Etherios [Member]
Business Acquisition [Line Items]
Cash, including cash in escrow					$ 13,696
Common stock					6,804
Total					20,500
Fair value of net tangible assets acquired					1,367
Identifiable intangibles assets						1,400			1,100	440	360
Goodwill	103,391	86,209	85,607	86,012	17,120
Deferred tax liabilities related to identifiable intangibles					(1,287)
Total					$ 20,500
Weighted Average Useful Life					5 years 8 months 12 days
Useful life							6 years	8 years	5 years	7 years	1 year

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Basis of Presentation of Unaudited Interim Condensed Consolidated Financial Statements and Significant Accounting Policies

3 Months Ended

Dec. 31, 2012

Accounting Policies [Abstract]

BASIS OF PRESENTATION OF UNAUDITED INTERIM CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AND SIGNIFICANTACCOUNTING POLICIES

BASIS OF PRESENTATION OF UNAUDITED INTERIM CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AND SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The interim unaudited condensed consolidated financial statements included in this Form 10-Q have been prepared by Digi International Inc. (the “Company,” “Digi,” “we,” “our,” or “us”) pursuant to the rules and regulations of the United States Securities and Exchange Commission (the “SEC”). Certain information and footnote disclosures, normally included in consolidated financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”), have been condensed or omitted, pursuant to such rules and regulations. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes thereto, including (but not limited to) the summary of significant accounting policies, presented in our Annual Report on Form 10-K for the year ended September 30, 2012 as filed with the SEC (“2012 Financial Statements”).

The condensed consolidated financial statements presented herein reflect, in the opinion of management, all adjustments which consist only of normal, recurring adjustments necessary for a fair statement of the condensed consolidated balance sheets and the condensed consolidated results of operations and cash flows for the periods presented. The condensed consolidated results of operations for any interim period are not necessarily indicative of results for the full year. The year-end condensed consolidated balance sheet data were derived from our 2012 Financial Statements, but do not include all disclosures required by U.S. GAAP.

Recently Issued Accounting Pronouncements

In August 2012, the SEC adopted a rule mandated by the Dodd-Frank Act to require companies to publicly disclose their use of conflict minerals that originated in the Democratic Republic of the Congo or an adjoining country. The final rule applies to a company that uses minerals including tantalum, tin, gold or tungsten. The final rule requires companies to provide disclosure on a new form filed with the SEC, with the first specialized disclosure report due on May 31, 2014, for the 2013 calendar year, and annually on May 31 each year thereafter. We are currently evaluating the impact of adoption.

In July 2012, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update ("ASU") 2012-02, "Intangibles - Goodwill and Other (Topic 350): Testing Indefinite-Lived Intangible Assets for Impairment." The FASB amended its guidance on testing of indefinite-lived intangible assets for impairment. Under the amended guidance, companies may perform a qualitative assessment to determine whether further impairment testing is necessary, similar to the amended goodwill impairment testing guidance noted below. The guidance for indefinite-lived intangible assets is effective for annual and interim tests performed for fiscal years beginning after September 15, 2012, with an option for early adoption. We adopted ASU 2012-02 in the first quarter of fiscal 2013. As we do not have any indefinite-lived intangible assets, this pronouncement does not have an effect on our consolidated financial statements.

In June 2011, the FASB issued ASU No. 2011-05, “Comprehensive Income (Topic 220): Presentation of Comprehensive Income” and was subsequently amended in December 2011. This guidance eliminates the option to report other comprehensive income and its components in the consolidated statement of stockholders' equity. Rather it requires that all non-owner changes in stockholders' equity be presented in either a single continuous statement of comprehensive income or in two separate but consecutive statements. This guidance also requires us to present on the face of the financial statements any reclassification adjustments for items that are reclassified from other comprehensive income to net income. The guidance is effective for fiscal years, and interim periods within those years, beginning after December 15, 2011. In December 2011, FASB issued ASU No. 2011-12 which amends this guidance and defers only the presentation of reclassification of items out of accumulated comprehensive income. We adopted the guidance for ASU No. 2011-05 and early adopted the guidance for ASU No. 2011-12 in the first quarter of fiscal 2013, with comprehensive income shown as a separate statement immediately following the condensed consolidated statements of operations. This statement includes the presentation of items that are reclassified out of accumulated comprehensive income. Since the new guidance only relates to presentation, its adoption did not impact our consolidated financial position, results of operations, or cash flows.

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Selected Balance Sheet Data (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Sep. 30, 2012
Accounts receivable, net:
Accounts receivable	$ 25,092	$ 24,929
Less allowance for doubtful accounts	388	295
Accounts receivable, net	24,704	24,634
Inventories:
Raw materials	19,953	18,159
Work in process	191	428
Finished goods	5,216	5,848
Inventories	$ 25,360	$ 24,435

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Contingencies (Details) (USD $)	3 Months Ended
	Dec. 31, 2012
Loss Contingencies [Line Items]
Payments for Legal Settlements	$ 500,000

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Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Income Statement [Abstract]
Net sales	$ 46,991	$ 46,662
Cost of sales	22,512	22,232
Gross profit	24,479	24,430
Operating expenses:
Sales and marketing	10,274	10,099
Research and development	7,417	8,232
General and administrative	5,116	5,047
Restructuring	0	236
Total operating expenses	22,807	23,614
Operating income	1,672	816
Other income (expense), net:
Interest income	52	72
Other income, net	124	147
Total other income, net	176	219
Income before income taxes	1,848	1,035
Income tax (benefit) provision	618	311
Net income	$ 1,230	$ 724
Net income per common share:
Basic	$ 0.05	$ 0.03
Diluted	$ 0.05	$ 0.03
Weighted average common shares:
Basic	26,188	25,639
Diluted	26,434	26,143

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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Dec. 31, 2012	Sep. 30, 2012
Statement of Financial Position [Abstract]
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	60,000,000	60,000,000
Common stock, shares issued	30,012,791	29,268,788
Treasury stock, shares	3,783,529	3,356,453

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Goodwill and other Identifiable Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Sep. 30, 2012
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 83,126	$ 79,629
Accumulated amortization	(70,105)	(69,000)
Net	13,021	10,629
Purchased and Core Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	46,603	46,597
Accumulated amortization	(43,933)	(43,639)
Net	2,670	2,958
Licensing Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	2,840	2,840
Accumulated amortization	(2,701)	(2,682)
Net	139	158
Patents and Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	11,550	10,943
Accumulated amortization	(8,746)	(8,469)
Net	2,804	2,474
Customer Maintenance Contracts [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	700	700
Accumulated amortization	(700)	(700)
Net	0	0
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	18,929	17,504
Accumulated amortization	(12,884)	(12,465)
Net	6,045	5,039
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	2,144	1,045
Accumulated amortization	(1,081)	(1,045)
Net	1,063	0
Order Backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	360	0
Accumulated amortization	60	0
Net	$ 300	$ 0

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Selected Balance Sheet Data (Tables)

3 Months Ended

Dec. 31, 2012

Selected Balance Sheet Data [Abstract]

Schedule of Selected Balance Sheet Data

	December 31, 2012		September 30, 2012
Accounts receivable, net:
Accounts receivable	$	25,092	$	24,929
Less allowance for doubtful accounts	388		295
	$	24,704	$	24,634
Inventories:
Raw materials	$	19,953	$	18,159
Work in process	191		428
Finished goods	5,216		5,848
	$	25,360	$	24,435

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Goodwill and other Identifiable Intangible Assets Amortization Expense (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 1,071	$ 1,245
2013 (nine months)	3,393
2014	3,758
2015	2,611
2016	1,417
2017	700
2018	$ 482

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Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2012

Fair Value Disclosures [Abstract]

Fair Value of Assets Measured on Recurring Basis

The following tables provide information by level for financial assets that are measured at fair value on a recurring basis (in thousands):

			Fair Value Measurements at December 31, 2012 using:
	Total carrying value at December 31, 2012		Quoted price in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Cash equivalents:
Money market	$	20,506	$	20,506	$	—	$	—
Available-for-sale marketable securities:
Corporate bonds	33,421		—		33,421		—
Commercial paper	1,997		—		1,997		—
Certificates of deposit	5,759		—		5,759		—
Government municipal bonds	11,613		—		11,613		—
Total cash equivalents and marketable securities measured at fair value	$	73,296	$	20,506	$	52,790	$	—

			Fair Value Measurements at September 30, 2012 using:
	Total carrying value at September 30, 2012		Quoted price in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Cash equivalents:
Money market	$	28,355	$	28,355	$	—	$	—
Available-for-sale marketable securities:
Corporate bonds	41,317		—		41,317		—
Commercial paper	2,000		—		2,000		—
Certificates of deposit	7,258		—		7,258		—
Government municipal bonds	9,813		—		9,813		—
Total cash equivalents and marketable securities measured at fair value	$	88,743	$	28,355	$	60,388	$	—

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Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Operating activities:
Net income	$ 1,230	$ 724
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of property, equipment and improvements	848	784
Amortization of identifiable intangible assets	1,071	1,245
Stock-based compensation	955	931
Excess tax benefits from stock-based compensation	(28)	(13)
Deferred income tax benefit	(542)	(583)
Bad debt/product return provision	221	323
Inventory obsolescence	250	476
Restructuring	0	236
Other	38	(274)
Changes in operating assets and liabilities (net of acquisition)	(1,755)	(3,607)
Net cash provided by operating activities	2,288	242
Investing activities:
Purchase of marketable securities	(9,873)	(22,789)
Proceeds from maturities of marketable securities	17,473	12,298
Proceeds from sale of investment	0	135
Acquisition of business, net of cash acquired	12,919	0
Purchase of property, equipment, improvements and certain other intangible assets	(1,427)	(1,624)
Net cash used in investing activities	(6,746)	(11,980)
Financing activities:
Excess tax benefits from stock-based compensation	28	13
Proceeds from stock option plan transactions	169	150
Proceeds from employee stock purchase plan transactions	248	314
Purchase of treasury stock	(4,226)	0
Net cash (used in) provided by financing activities	(3,781)	477
Effect of exchange rate changes on cash and cash equivalents	3	(855)
Net decrease in cash and cash equivalents	(8,236)	(12,116)
Cash and cash equivalents, beginning of period	60,246	54,684
Cash and cash equivalents, end of period	52,010	42,568
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Issuance of common stock for business acquisition	$ (6,804)	$ 0

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Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Net income	$ 1,230	$ 724
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	(289)	(1,783)
Net unrealized gain on investments, net of related tax effect of ($1) and ($9), respectively	1	14
Reclassification of realized loss included in net income, net of related tax effect of ($0) and ($5), respectively	0	7
Other comprehensive loss, net of tax	(288)	(1,762)
Comprehensive income (loss)	$ 942	$ (1,038)

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Contingencies

3 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

CONTINGENCIES

CONTINGENCIES

Patent Infringement Lawsuits

On May 29, 2012, U.S. Ethernet Innovations, LLC filed a patent infringement lawsuit against us in federal court in the Eastern District of Texas. The lawsuit included allegations against us and one other company pertaining to the infringement of three patents related to integrated circuits, including architectures of network adapters and transmission of data in certain network interfaces. The lawsuit seeks monetary and non-monetary relief. We cannot predict the outcome of this matter or estimate a range of loss at this time or whether it will have a materially adverse impact on our business prospects and our consolidated financial condition, results of operations or cash flows.

On May 11, 2010, SIPCO, LLC filed a complaint naming us as a defendant in federal court in the Eastern District of Texas.  This claim subsequently was moved to the Northern District of Georgia. The complaint included allegations against us and five other companies pertaining to the infringement of SIPCO's patents by wireless mesh networking and multi-port networking products. On October 23, 2012, we settled the lawsuit for a payment of $500,000, which was recorded during the fourth quarter of fiscal 2012, and we entered into a royalty-bearing license agreement for future sales of licensed products sold during the term of the agreement through 2018. We do not expect this license agreement to have a material impact on our consolidated financial statements in the future.

In addition to the matters discussed above, in the normal course of business, we are subject to various claims and litigation. There can be no assurance that any claims by third parties, if proven to have merit, will not materially adversely affect our business or financial condition.

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Document and Entity Information	3 Months Ended
	Dec. 31, 2012	Jan. 29, 2013
Document and Entity Information [Abstract]
Entity Registrant Name	DIGI INTERNATIONAL INC.
Entity Central Index Key	0000854775
Current Fiscal Year End Date	--09-30
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	Dec. 31, 2012
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		26,155,692

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Restructuring

3 Months Ended

Dec. 31, 2012

Restructuring and Related Activities [Abstract]

RESTRUCTURING

RESTRUCTURING

U.S. Restructuring

On April 26, 2012, we announced our intention to restructure certain of our operations. We recorded $1.0 million of restructuring charges on a pre-tax basis. The restructuring relates primarily to changes being implemented to focus on a shift in our business to more aggressively sell end-to-end M2M solutions. As a result of this restructuring, we eliminated employment positions in our work force of 30 employees at a cost of $0.6 million for severance and have moved to hire new employees or re-assign existing employees into newly created positions. We also expect to incur expenses from vacating facilities in Davis, California and Huntington Beach, California at a cost of approximately $0.4 million. The payments associated with these charges and all the actions associated with the restructuring are expected to be completed by the second quarter of fiscal 2013.

Below is listed a summary of the restructuring charges and other activity within the restructuring accrual (in thousands):

	Employee Termination Costs			Other			Total
Restructuring charge at April 26, 2012	$	568		$	395		$	963
Payments	(555		)	(287		)	(842		)
Balance at September 30, 2012	$	13		$	108		$	121
Payments	—			(80		)	(80		)
Balance at December 31, 2012	$	13		$	28		$	41

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Condensed Consolidated Statements of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Net unrealized gain on investments, net of related tax effect of ($1) and ($9), respectively	$ (1)	$ (9)
Reclassification of realized loss included in net income, net of related tax effect of ($0) and ($5), respectively	$ 0	$ (5)

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Marketable Securities

3 Months Ended

Dec. 31, 2012

Marketable Securities [Abstract]

MARKETABLE SECURITIES

MARKETABLE SECURITIES

Our marketable securities consist of certificates of deposit, commercial paper, corporate bonds and government municipal bonds. We analyze our available-for-sale marketable securities for impairment on an ongoing basis. When we perform this analysis, we consider factors such as the length of time and extent to which the securities have been in an unrealized loss position and the trend of any unrealized losses. We also consider whether an unrealized loss is a temporary loss or an other-than-temporary loss based on factors such as: (a) whether we have the intent to sell the security, or (b) whether it is more likely than not that we will be required to sell the security before its anticipated recovery, or (c) permanent impairment due to bankruptcy or insolvency.

In order to estimate the fair value for each security in our investment portfolio, where available, we obtain quoted market prices and trading activity for each security. We obtain relevant information from our investment advisor and also may review the financial solvency of certain security issuers if warranted. As of December 31, 2012, 36 of our 52 securities that we are holding were trading below our amortized cost basis. We determined each decline in value to be temporary based upon the above described factors. We expect to realize the fair value of these securities, plus accrued interest, either at the time of maturity or when the security is sold. All of our current holdings are classified as available-for-sale marketable securities and are recorded at fair value on our consolidated balance sheet with the unrealized gains and losses recorded in accumulated other comprehensive loss. All of our non-current marketable securities will mature in less than 15 months. At December 31, 2012 our marketable securities were (in thousands):

	Amortized Cost (1)		Unrealized Gains		Unrealized Losses (2)			Fair Value (1)
Current marketable securities:
Corporate bonds	$	31,486	$	6	$	(6	)	$	31,486
Commercial paper	1,999		—		(2		)	1,997
Certificates of deposit	5,760		—		(1		)	5,759
Government municipal bonds	10,272		—		(2		)	10,270
Current marketable securities	49,517		6		(11		)	49,512
Non-current marketable securities:
Corporate bonds	1,940		—		(5		)	1,935
Government municipal bonds	1,344		—		(1		)	1,343
Non-current marketable securities	3,284		—		(6		)	3,278
Total marketable securities	$	52,801	$	6	$	(17	)	$	52,790

(1) Included in amortized cost and fair value is purchased and accrued interest of $422.

(2) The aggregate related fair value of securities with unrealized losses as of December 31, 2012 was $33,589. These investments have been in an unrealized loss position for less than twelve months.

5. MARKETABLE SECURITIES (CONTINUED)

At September 30, 2012 our marketable securities were (in thousands):

	Amortized Cost (1)		Unrealized Gains		Unrealized Losses (2)			Fair Value (1)
Current marketable securities:
Corporate bonds	$	39,306	$	14	$	(19	)	$	39,301
Commercial paper	2,000		—		—			2,000
Certificates of deposit	7,262		—		(4		)	7,258
Government municipal bonds	9,814		1		(2		)	9,813
Current marketable securities	58,382		15		(25		)	58,372
Non-current marketable securities:
Corporate bonds	2,019		—		(3		)	2,016
Total marketable securities	$	60,401	$	15	$	(28	)	$	60,388

(1) Included in amortized cost and fair value is purchased and accrued interest of $485.

(2) The aggregate related fair value of securities with unrealized losses as of September 30, 2012 was $34,503. These investments have been in an unrealized loss position for less than twelve months.

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Selected Balance Sheet Data

3 Months Ended

Dec. 31, 2012

Selected Balance Sheet Data [Abstract]

SELECTED BALANCE SHEET DATA

SELECTED BALANCE SHEET DATA

(in thousands)

	December 31, 2012		September 30, 2012
Accounts receivable, net:
Accounts receivable	$	25,092	$	24,929
Less allowance for doubtful accounts	388		295
	$	24,704	$	24,634
Inventories:
Raw materials	$	19,953	$	18,159
Work in process	191		428
Finished goods	5,216		5,848
	$	25,360	$	24,435

Inventories are stated at the lower of cost or market value, with cost determined using the first-in, first-out method.

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Marketable Securities (Tables)

3 Months Ended

Dec. 31, 2012

Marketable Securities [Abstract]

Schedule of Marketable Securities

At December 31, 2012 our marketable securities were (in thousands):

	Amortized Cost (1)		Unrealized Gains		Unrealized Losses (2)			Fair Value (1)
Current marketable securities:
Corporate bonds	$	31,486	$	6	$	(6	)	$	31,486
Commercial paper	1,999		—		(2		)	1,997
Certificates of deposit	5,760		—		(1		)	5,759
Government municipal bonds	10,272		—		(2		)	10,270
Current marketable securities	49,517		6		(11		)	49,512
Non-current marketable securities:
Corporate bonds	1,940		—		(5		)	1,935
Government municipal bonds	1,344		—		(1		)	1,343
Non-current marketable securities	3,284		—		(6		)	3,278
Total marketable securities	$	52,801	$	6	$	(17	)	$	52,790

(1) Included in amortized cost and fair value is purchased and accrued interest of $422.

(2) The aggregate related fair value of securities with unrealized losses as of December 31, 2012 was $33,589. These investments have been in an unrealized loss position for less than twelve months.

5. MARKETABLE SECURITIES (CONTINUED)

At September 30, 2012 our marketable securities were (in thousands):

	Amortized Cost (1)		Unrealized Gains		Unrealized Losses (2)			Fair Value (1)
Current marketable securities:
Corporate bonds	$	39,306	$	14	$	(19	)	$	39,301
Commercial paper	2,000		—		—			2,000
Certificates of deposit	7,262		—		(4		)	7,258
Government municipal bonds	9,814		1		(2		)	9,813
Current marketable securities	58,382		15		(25		)	58,372
Non-current marketable securities:
Corporate bonds	2,019		—		(3		)	2,016
Total marketable securities	$	60,401	$	15	$	(28	)	$	60,388

(1) Included in amortized cost and fair value is purchased and accrued interest of $485.

(2) The aggregate related fair value of securities with unrealized losses as of September 30, 2012 was $34,503. These investments have been in an unrealized loss position for less than twelve months.

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Basis of Presentation of Unaudited Interim Condensed Consolidated Financial Statements and Significant Accounting Policies (Policies)

3 Months Ended

Dec. 31, 2012

Accounting Policies [Abstract]

Recently Issued Accounting Pronouncements

In July 2012, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update ("ASU") 2012-02, "Intangibles - Goodwill and Other (Topic 350): Testing Indefinite-Lived Intangible Assets for Impairment." The FASB amended its guidance on testing of indefinite-lived intangible assets for impairment. Under the amended guidance, companies may perform a qualitative assessment to determine whether further impairment testing is necessary, similar to the amended goodwill impairment testing guidance noted below. The guidance for indefinite-lived intangible assets is effective for annual and interim tests performed for fiscal years beginning after September 15, 2012, with an option for early adoption. We adopted ASU 2012-02 in the first quarter of fiscal 2013. As we do not have any indefinite-lived intangible assets, this pronouncement does not have an effect on our consolidated financial statements.

In June 2011, the FASB issued ASU No. 2011-05, “Comprehensive Income (Topic 220): Presentation of Comprehensive Income” and was subsequently amended in December 2011. This guidance eliminates the option to report other comprehensive income and its components in the consolidated statement of stockholders' equity. Rather it requires that all non-owner changes in stockholders' equity be presented in either a single continuous statement of comprehensive income or in two separate but consecutive statements. This guidance also requires us to present on the face of the financial statements any reclassification adjustments for items that are reclassified from other comprehensive income to net income. The guidance is effective for fiscal years, and interim periods within those years, beginning after December 15, 2011. In December 2011, FASB issued ASU No. 2011-12 which amends this guidance and defers only the presentation of reclassification of items out of accumulated comprehensive income. We adopted the guidance for ASU No. 2011-05 and early adopted the guidance for ASU No. 2011-12 in the first quarter of fiscal 2013, with comprehensive income shown as a separate statement immediately following the condensed consolidated statements of operations. This statement includes the presentation of items that are reclassified out of accumulated comprehensive income. Since the new guidance only relates to presentation, its adoption did not impact our consolidated financial position, results of operations, or cash flows.

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Income Taxes

9 Months Ended

Jun. 30, 2012

Income Tax Disclosure [Abstract]

INCOME TAXES

INCOME TAXES

Income taxes have been provided at an overall effective rate of 33.4% and 30.1% for the three month periods ended December 31, 2012 and 2011, respectively. Our effective tax rate will vary based on a variety of factors, including overall profitability, the geographical mix of income before taxes and related statutory tax rate in each jurisdiction, and discrete events, such as settlements of audits.

In the first three months of fiscal 2013, we recorded a discrete tax benefit of $0.1 million for the release of income tax reserves due to the expiration of the statutes of limitation from various U.S. and foreign tax jurisdictions. These discrete tax benefits reduced our effective tax rate by 7.8 percentage points for the three month period ended December 31, 2012.

In the first three months of fiscal 2012, we recorded a discrete tax benefit of $0.1 million for the release of income tax reserves due to the expiration of statutes of limitation from various U.S. tax jurisdictions. This discrete tax benefit reduced our effective tax rate by 11.9 percentage points for the three month period ended December 31, 2011.

The effective tax rates for both the first quarters of fiscal 2013 and 2012, before consideration of the impact of discrete tax benefits, were higher than the statutory rate primarily due to lower domestic tax benefits and increases in certain tax reserves.

The American Taxpayer Relief Act of 2012, enacted January 2, 2013 retroactively extended the federal research and development tax credit for two years retroactively from January 1, 2012 through December 31, 2013. We will record the benefit for research credit earned for the last three quarters of fiscal 2012 of $0.4 million as a discrete tax benefit in the second quarter of fiscal 2013. In addition, beginning with the second quarter of fiscal 2013, our effective tax rate will include a tax benefit for the projected credit for the full fiscal year.

A reconciliation of the beginning and ending amount of unrecognized tax benefits is (in thousands):

Unrecognized tax benefits as of September 30, 2012	$	2,720
Decreases related to:
Expiration of statute of limitations	(98		)
Unrecognized tax benefits as of December 31, 2012	$	2,622

The total amount of unrecognized tax benefits that, if recognized, would affect our effective tax rate is $2.6 million. We expect that it is reasonably possible that the total amounts of unrecognized tax benefits will increase approximately $0.4 million to $0.5 million over the next 12 months due to additional reserves for federal research credits and increases in current year reserves, partially offset by the expiration of the statute of limitations.

We recognize interest and penalties related to income tax matters in income tax expense. During both the three month periods ended December 31, 2012 and 2011, there were insignificant amounts of interest and penalties related to income tax matters in income tax expense. We had accrued interest and penalties related to unrecognized tax benefits as of December 31, 2012 and September 30, 2012 of $0.5 million and $0.6 million, respectively. Our long-term income taxes payable on our condensed consolidated balance sheets includes these accrued interest and penalties in addition to the unrecognized tax benefits in the table above.

At December 31, 2012, we had approximately $23.3 million of accumulated undistributed foreign earnings, for which we have not accrued additional U.S. tax. Our policy is to reinvest earnings of our foreign subsidiaries indefinitely to fund current operations and provide for future international expansion opportunities, and only repatriate earnings to the extent that U.S. taxes have already been recorded. Although we have no current need to do so, if we change our assertion that we do not intend to repatriate additional undistributed foreign earnings for cash requirements in the United States, we would have to accrue applicable taxes. The amount of any taxes and the application of any tax credits would be determined based on the income tax laws at the time of such repatriation. Under current tax laws, we estimate the unrecognized deferred tax liability to be in the range of $2.5 million to $3.5 million and could have a material impact on our current consolidated balance sheet, results of operations and cash flows.

We operate in multiple tax jurisdictions both in the U.S. and outside of the U.S. Accordingly, we must determine the appropriate allocation of income to each of these jurisdictions. This determination requires us to make several estimates and assumptions. Tax audits associated with the allocation of this income, and other complex issues, may require an extended

8. INCOME TAXES (CONTINUED)

period of time to resolve and may result in adjustments to our income tax balances in those years that are material to our consolidated balance sheet and results of operations. We are no longer subject to income tax examination for tax years prior to fiscal 2009 in the case of U.S. federal tax authorities and prior to fiscal 2008 for non-U.S. income tax authorities. For state taxing authorities, consisting primarily of Minnesota and California, we are no longer subject to income tax examination for tax years generally before fiscal 2008.

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Fair Value Measurements

3 Months Ended

Dec. 31, 2012

Fair Value Disclosures [Abstract]

FAIR VALUE MEASUREMENTS

FAIR VALUE MEASUREMENTS

Fair value is defined as the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants as of the measurement date. This standard also establishes a hierarchy for inputs used in measuring fair value. This standard maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that the most observable inputs be used when available. Observable inputs are inputs market participants would use in valuing the asset or liability based on market data obtained from independent sources. Unobservable inputs are inputs that reflect our assumptions about the factors market participants would use in valuing the asset or liability based upon the best information available in the circumstances. The categorization of financial assets and liabilities within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement.

The hierarchy is broken down into the following three levels:

• Level 1 — Inputs are quoted prices in active markets for identical assets or liabilities.

• Level 2 — Inputs include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, and inputs (other than quoted prices) that are observable for the asset or liability, either directly or indirectly.

• Level 3 — Inputs are unobservable for the asset or liability and their fair values are determined using pricing models, discounted cash flow methodologies or similar techniques and at least one significant model assumption or input is unobservable. Level 3 may also include certain investment securities for which there is limited market activity or a decrease in the observability of market pricing for the investments, such that the determination of fair value requires significant judgment or estimation.

Fair value is applied to financial assets such as our marketable securities, which are classified and accounted for as available-for-sale. These items are stated at fair value at each reporting period using the above guidance.

6. FAIR VALUE MEASUREMENTS (CONTINUED)

The following tables provide information by level for financial assets that are measured at fair value on a recurring basis (in thousands):

			Fair Value Measurements at December 31, 2012 using:
	Total carrying value at December 31, 2012		Quoted price in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Cash equivalents:
Money market	$	20,506	$	20,506	$	—	$	—
Available-for-sale marketable securities:
Corporate bonds	33,421		—		33,421		—
Commercial paper	1,997		—		1,997		—
Certificates of deposit	5,759		—		5,759		—
Government municipal bonds	11,613		—		11,613		—
Total cash equivalents and marketable securities measured at fair value	$	73,296	$	20,506	$	52,790	$	—

			Fair Value Measurements at September 30, 2012 using:
	Total carrying value at September 30, 2012		Quoted price in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Cash equivalents:
Money market	$	28,355	$	28,355	$	—	$	—
Available-for-sale marketable securities:
Corporate bonds	41,317		—		41,317		—
Commercial paper	2,000		—		2,000		—
Certificates of deposit	7,258		—		7,258		—
Government municipal bonds	9,813		—		9,813		—
Total cash equivalents and marketable securities measured at fair value	$	88,743	$	28,355	$	60,388	$	—

Cash equivalents are measured at fair value using quoted market prices in active markets for identical assets and are therefore classified as Level 1 assets. We value our Level 2 assets using inputs that are based on market indices of similar assets within an active market. There were no transfers in to or out of our Level 2 financial assets during the three months ended December 31, 2012.

We had no financial assets valued with Level 3 inputs as of December 31, 2012 nor did we purchase or sell any Level 3 financial assets during the three months ended December 31, 2012.

The use of different assumptions, applying different judgment to matters that are inherently subjective and changes in future market conditions could result in different estimates of fair value of our securities, currently and in the future. If market conditions deteriorate, we may incur impairment charges for securities in our investment portfolio.

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Goodwill and other Identifiable Intangible Assets

9 Months Ended

Jun. 30, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS

GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS

Amortizable identifiable intangible assets were (in thousands):

	December 31, 2012							September 30, 2012
	Gross carrying amount		Accum. amort.			Net		Gross carrying amount		Accum. amort.			Net
Purchased and core technology	$	46,603	$	(43,933	)	$	2,670	$	46,597	$	(43,639	)	$	2,958
License agreements	2,840		(2,701		)	139		2,840		(2,682		)	158
Patents and trademarks	11,550		(8,746		)	2,804		10,943		(8,469		)	2,474
Customer maintenance contracts	700		(700		)	—		700		(700		)	—
Customer relationships	18,929		(12,884		)	6,045		17,504		(12,465		)	5,039
Non-compete agreements	2,144		(1,081		)	1,063		1,045		(1,045		)	—
Order backlog	360		(60		)	300		—		—			—
Total	$	83,126	$	(70,105	)	$	13,021	$	79,629	$	(69,000	)	$	10,629

Amortization expense was $1.1 million and $1.2 million for the three month periods ended December 31, 2012 and 2011, respectively. Amortization expense is recorded on our consolidated statement of operations within cost of sales and in general and administrative expense. Estimated amortization expense related to identifiable intangible assets for the remainder of fiscal 2013 and the five succeeding fiscal years is (in thousands):

2013 (nine months)	$	3,393
2014	3,758
2015	2,611
2016	1,417
2017	700
2018	482

The changes in the carrying amount of goodwill are (in thousands):

	Three months ended December 31,
	2012		2011
Beginning balance, October 1	$	86,209	$	86,012
Acquisition of Etherios, Inc.	17,120		—
Foreign currency translation adjustment	62		(405		)
Ending balance, December 31	$	103,391	$	85,607

The goodwill related to the acquisition of Etherios is not tax deductible. Etherios is included in our single reporting segment for purposes of goodwill impairment testing. Goodwill is tested for impairment on an annual basis as of June 30, or more frequently if events or circumstances occur which could indicate impairment. An impairment could have a material effect on our consolidated balance sheet and results of operations. The calculation of asset impairment requires us to make assumptions about future cash flows and revenues. These assumptions require significant judgment and actual results may differ from assumed or estimated amounts. At June 30, 2012, our market capitalization was $264.3 million compared to our carrying value of $265.7 million. Our market capitalization plus our estimated control premium of 40% resulted in a fair value in excess of our carrying value by a margin of 39% and therefore no impairment was indicated.

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Product Warranty Obligation

3 Months Ended

Dec. 31, 2012

Product Warranties Disclosures [Abstract]

PRODUCT WARRANTY OBLIGATION

PRODUCT WARRANTY OBLIGATION

In general, we warrant our products to be free from defects in material and workmanship under normal use and service. The warranty periods generally range from one to five years. We typically have the option to either repair or replace products we deem defective with regard to material or workmanship. Estimated warranty costs are accrued in the period that the related revenue is recognized based upon an estimated average per unit repair or replacement cost applied to the estimated number of units under warranty. These estimates are based upon historical warranty incidents and are evaluated on an ongoing basis to ensure the adequacy of the warranty accrual.

The following table summarizes the activity associated with the product warranty accrual (in thousands) and is included on our Condensed Consolidated Balance Sheets as its own line item within current liabilities:

	Balance at		Warranties		Settlements			Balance at
Period	October 1		issued		made			December 31
Three months ended December 31, 2012	$	1,021	$	50	$	(136	)	$	935
Three months ended December 31, 2011	$	941	$	220	$	(154	)	$	1,007

We are not responsible for, and do not warrant that, custom software versions, created by original equipment manufacturer (OEM) customers based upon our software source code, will function in a particular way, will conform to any specifications or are fit for any particular purpose. Further, we do not indemnify these customers from any third-party liability as it relates to or arises from any customization or modifications made by the OEM customer.

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Fair Value Measurements (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Sep. 30, 2012
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total cash equivalents and marketable securities	$ 20,506	$ 28,355
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total cash equivalents and marketable securities	52,790	60,388
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total cash equivalents and marketable securities	0	0
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total cash equivalents and marketable securities	73,296	88,743
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	20,506	28,355
Money Market Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Money Market Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Money Market Funds [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	20,506	28,355
Corporate Bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale marketable securities	0	0
Corporate Bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale marketable securities	33,421	41,317
Corporate Bonds [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale marketable securities	0	0
Corporate Bonds [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale marketable securities	33,421	41,317
Commercial Paper [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale marketable securities	0	0
Commercial Paper [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale marketable securities	1,997	2,000
Commercial Paper [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale marketable securities	0	0
Commercial Paper [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale marketable securities	1,997	2,000
Certificates of Deposit [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale marketable securities	0	0
Certificates of Deposit [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale marketable securities	5,759	7,258
Certificates of Deposit [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale marketable securities	0	0
Certificates of Deposit [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale marketable securities	5,759	7,258
Government Municipal Bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale marketable securities	0	0
Government Municipal Bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale marketable securities	11,613	9,813
Government Municipal Bonds [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale marketable securities	0	0
Government Municipal Bonds [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale marketable securities	$ 11,613	$ 9,813

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Acquisition (Tables)

3 Months Ended

Dec. 31, 2012

Business Combinations [Abstract]

Schedule of Purchase Price Allocation

The following table summarizes the values of Etherios assets acquired and liabilities assumed as of the acquisition date. To the extent previously discussed, such amounts are considered preliminary (in thousands):

Cash, including cash in escrow	$	13,696
Common stock	6,804
Total	$	20,500
Fair value of net tangible assets acquired	$	1,367
Identifiable intangible assets:
Existing customer relationships	1,400
Non-compete agreements	1,100
Trade name	440
Order backlog	360
Goodwill	17,120
Deferred tax liabilities related to identifiable intangibles	(1,287		)
Total	$	20,500

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Income Taxes (Tables)

9 Months Ended

Jun. 30, 2012

Income Tax Disclosure [Abstract]

Schedule of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits is (in thousands):

Unrecognized tax benefits as of September 30, 2012	$	2,720
Decreases related to:
Expiration of statute of limitations	(98		)
Unrecognized tax benefits as of December 31, 2012	$	2,622

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Restructuring (U.S. Restructuring) (Details) (United States Restructuring [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended	5 Months Ended
	Dec. 31, 2012	Sep. 30, 2012 employees
Restructuring Cost and Reserve [Line Items]
Number of employees eliminated		30
Beginning Balance	$ 121	$ 963
Payments	(80)	(842)
Ending Balance	41	121
Employee Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	13	568
Payments	0	(555)
Ending Balance	13	13
Other [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	108	395
Payments	(80)	(287)
Ending Balance	$ 28	$ 108

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Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Sep. 30, 2012
Current assets:
Cash and cash equivalents	$ 52,010	$ 60,246
Marketable securities	49,512	58,372
Accounts receivable, net	24,704	24,634
Inventories	25,360	24,435
Deferred tax assets	3,449	3,389
Other	3,562	2,493
Total current assets	158,597	173,569
Marketable securities, long-term	3,278	2,016
Property, equipment and improvements, net	15,534	15,157
Identifiable intangible assets, net	13,021	10,629
Goodwill	103,391	86,209
Deferred tax assets	4,158	5,010
Other	498	494
Total assets	298,477	293,084
Current liabilities:
Accounts payable	8,469	6,040
Income taxes payable	0	1,269
Accrued compensation	5,780	5,744
Accrued warranty	935	1,021
Accrued professional fees	986	695
Other	2,826	3,423
Total current liabilities	18,996	18,192
Income taxes payable	3,128	3,294
Deferred tax liabilities	576	630
Other noncurrent liabilities	107	111
Total liabilities	22,807	22,227
Contingencies (see Note 10)
Stockholders' equity:
Preferred stock, $.01 par value; 2,000,000 shares authorized; none issued and outstanding	0	0
Common stock, $.01 par value; 60,000,000 shares authorized; 30,012,791 and 29,268,788 shares issued	300	293
Additional paid-in capital	207,441	199,495
Retained earnings	111,513	110,283
Accumulated other comprehensive loss	(14,013)	(13,725)
Treasury stock, at cost, 3,783,529 and 3,356,453 shares	(29,571)	(25,489)
Total stockholders' equity	275,670	270,857
Total liabilities and stockholders' equity	$ 298,477	$ 293,084

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Acquisition

3 Months Ended

Dec. 31, 2012

Business Combinations [Abstract]

ACQUISITION

ACQUISITION

Etherios, Inc.

On October 31, 2012, we acquired Etherios, Inc. ("Etherios"), a privately held corporation. The total purchase price of $20.5 million included $13.7 million in cash (excluding cash acquired of $0.8 million) and $6.8 million represented by 715,571 shares of our common stock. The common stock issued was valued at $9.508 per common share based on a per share value calculated as the average market price of the common stock during the fifteen trading days prior to the closing.

Cash in the amount of $2.35 million has been deposited to an escrow fund with a third party agent. Of the $2.35 million escrow, $0.3 million relates to a holdback amount pending final determination of the unpaid debt and working capital as shown on the closing balance sheet, that will be payable 90 days from the acquisition date. An additional $2.05 million will be held in escrow for a period not to exceed eighteen months from the date of closing to satisfy possible claims that may arise pursuant to specific representation and warranty sections of the stock purchase agreement. The escrowed amounts have been included in the determination of the purchase consideration on the date of acquisition as management expects that the representation and warranty matters is determinable beyond a reasonable doubt.

The purchase price was allocated to the estimated fair value of assets acquired and liabilities assumed. The purchase price allocation resulted in goodwill of $17.1 million. We believe that the acquisition resulted in the recognition of goodwill primarily because Etherios is a salesforce.com Platinum Partner and experienced in end user implementation of the Salesforce Service Cloud. Although we believe the relationship with salesforce.com is important to us, it is not an exclusive relationship and requires Etherios to compete with others for business opportunities.  We have preliminarily determined that this relationship cannot be valued as a separate intangible asset of Etherios and as a result is a component of goodwill. Further enhancements to the iDigi® Device Cloud™ will enable almost any machine, anywhere in the world, to connect rapidly and easily to the Salesforce Service Cloud.  By enabling real-time machine interactions with organizations' workflows, customers will be able to benefit dramatically through improved asset management, greater machine uptime and the ability to offer proactive customer service.

3. ACQUISITION (CONTINUED)

Etherios' operating results are included in the Company's consolidated results of operations from the date of acquisition. The consolidated balance sheet as of December 31, 2012 reflects the allocation of the purchase price to the assets acquired and liabilities assumed based on their estimated fair values at the date of acquisition.

The Etherios acquisition has been accounted for using the acquisition method of accounting which requires, among other things, that most assets acquired and liabilities assumed pursuant to the stock purchase agreement be recognized at fair value as of the acquisition date. Certain estimated values are not yet finalized (see below) and are subject to change, which could be significant. We will finalize the amounts recognized as information necessary to complete the analysis is obtained. We expect to finalize these amounts no later than the end of our third quarter of fiscal 2013. The following items remain subject to change:

• amounts for contingent liabilities, pending the finalization of our review of the Etherios contingent liabilities;

• certain tangible and intangible assets, pending the finalization of valuation procedures;

• certain assets and liabilities pending the results of a comprehensive accounting policy consistency review; and

• amounts for deferred tax assets and liabilities, pending the finalization of assets acquired, liabilities assumed and resulting goodwill.

The following table summarizes the values of Etherios assets acquired and liabilities assumed as of the acquisition date. To the extent previously discussed, such amounts are considered preliminary (in thousands):

Cash, including cash in escrow	$	13,696
Common stock	6,804
Total	$	20,500
Fair value of net tangible assets acquired	$	1,367
Identifiable intangible assets:
Existing customer relationships	1,400
Non-compete agreements	1,100
Trade name	440
Order backlog	360
Goodwill	17,120
Deferred tax liabilities related to identifiable intangibles	(1,287		)
Total	$	20,500

The weighted average useful life for all the identifiable intangibles listed above is 5.7 years. For purposes of determining fair value the existing customer relationships identified above are assumed to have useful lives ranging between six to eight years, non-compete agreements are assumed to have useful lives of five years, the trade name is assumed to have a useful life of seven years, and the order backlog is assumed to have a useful life of one year. Useful lives for identifiable intangible assets are estimated at the time of acquisition based on the periods of time from which we expect to derive benefits from the identifiable intangible assets. The identifiable intangible assets are amortized using the straight-line method which reflects the pattern in which the asset is expected to be consumed.

We have determined that the Etherios acquisition is not material to our consolidated results of operations or financial position. Therefore, pro forma financial information is not presented.

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Product Warranty Obligation (Tables)

3 Months Ended

Dec. 31, 2012

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Accrual

The following table summarizes the activity associated with the product warranty accrual (in thousands) and is included on our Condensed Consolidated Balance Sheets as its own line item within current liabilities:

	Balance at		Warranties		Settlements			Balance at
Period	October 1		issued		made			December 31
Three months ended December 31, 2012	$	1,021	$	50	$	(136	)	$	935
Three months ended December 31, 2011	$	941	$	220	$	(154	)	$	1,007

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Income Taxes (Details) (USD $)	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Effective income tax rate	33.40%	30.10%
Discrete income tax (benefit)	$ 100,000	$ 100,000
Percentage points that reduced effective tax rate	(7.8)	(11.9)
Future discrete tax benefits	400,000
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits, beginning balance	2,720,000
Decreases related to expiration of statute of limitations	(98,000)
Unrecognized tax benefits, ending balance	2,622,000
Unrecognized tax benefits that would impact effective tax rate	2,600,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Lower Bound	400,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound	500,000
Income tax penalties and interest accrued	500,000		600,000
Accumulated undistributed foreign earnings	23,300,000
Minimum [Member]
Income Tax Contingency [Line Items]
Estimated unrecognized deferred tax liability	2,500,000
Maximum [Member]
Income Tax Contingency [Line Items]
Estimated unrecognized deferred tax liability	$ 3,500,000

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Earnings Per Share (Tables)

3 Months Ended

Dec. 31, 2012

Earnings Per Share [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share

The following table is a reconciliation of the numerators and denominators in the net income per common share calculations (in thousands, except per common share data):

	Three months ended December 31,
	2012		2011
Numerator:
Net income	$	1,230	$	724
Denominator:
Denominator for basic net income per common share — weighted average shares outstanding	26,188		25,639
Effect of dilutive securities:
Employee stock options and employee stock purchase plan	246		504
Denominator for diluted net income per common share — adjusted weighted average shares	26,434		26,143
Net income per common share, basic	$	0.05	$	0.03
Net income per common share, diluted	$	0.05	$	0.03