10-Q/A

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q/A

Amendment No. 1

(MARK ONE)

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

For the quarterly period ended November 30, 2011

OR

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

Commission File Number 1-13419

Lindsay Corporation

(Exact name of registrant as specified in its charter)

Delaware	47-0554096
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
2222 N. 111th Street, Omaha, Nebraska	68164
(Address of principal executive offices)	(Zip Code)

402-829-6800

(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  x    No  ¨

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

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

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

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

As of January 2, 2012, 12,699,038 shares of the registrant’s common stock were outstanding.

Explanatory Note

The sole purpose of this amendment to Lindsay Corporation’s Quarterly Report on Form 10-Q for the quarterly period ended November 30, 2011, originally filed with the Securities and Exchange Commission on January 6, 2012, is to furnish an amended Exhibit 101 to the Form 10-Q, which contains the XBRL (eXtensible Business Reporting Language) Interactive Data File for the financial statements and notes included in Part I, Item 1 of the Form 10-Q. As permitted by Rule 405(a)(2)(ii) of Regulation S-T, Exhibit 101 was required to be furnished by amendment within 30 days of the original filing date of the Form 10-Q. Exhibit 101 of this amended Form 10-Q includes notes and schedules tagged in detail and replaces Exhibit 101 to the original Form 10-Q, which was tagged in block.

No other changes have been made to the Form 10-Q. This Amendment No. 1 speaks as of the original filing date of the Form 10-Q, has not been updated to reflect events that may have occurred subsequent to the original filing date, and does not modify or update any related disclosures made in the Form 10-Q.

ITEM 6 – Exhibits

3.1*	Restated Certificate of Incorporation of the Company, incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed on December 14, 2006.
3.2*	Amended and Restated By-Laws of the Company, incorporated by reference to Exhibit 3.1 of the Company’s Current Report on Form 8-K filed on February 3, 2011.
4.1*	Specimen Form of Common Stock Certificate, incorporated by reference to Exhibit 4(a) of the Company’s Quarterly Report on Form 10-Q for the fiscal quarter ended November 30, 2006.
10.1*	Lindsay Corporation Management Incentive Plan (“MIP”), 2012 Plan Year
10.2*	Lindsay Corporation 2010 Long-Term Incentive Plan and forms of award agreements
10.3*	Lindsay Corporation Policy on Payment of Directors Fees and Expenses
31.1*	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 18 U.S.C. Section 1350.
31.2*	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 18 U.S.C. Section 1350.
32.1*	Certification of Chief Executive Officer and Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 18 U.S.C. Section 1350.
101.INS**	XBRL Instance Document
101.SCH**	XBRL Taxonomy Extension Schema Document
101.CAL**	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF**	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB**	XBRL Taxonomy Extension Label Linkbase Document
101.PRE**	XBRL Taxonomy Extension Presentation Linkbase Document

* Previously filed or furnished as an exhibit to Lindsay Corporation’s quarterly report on Form 10–Q for the quarter ended November 30, 2011.

** Furnished herewith. Pursuant to Rule 406T of Regulation S-T, these interactive data files are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933, are deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934 and otherwise are not subject to liability under these sections.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized on this 3rd day of February 2012.

LINDSAY CORPORATION
By:	/s/ JAMES C. RAABE
Name:	James C. Raabe
Title:	Vice President and Chief Financial Officer

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Financial Derivatives (Schedule Of Derivative Instruments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 30, 2011		Nov. 30, 2010		Nov. 30, 2011 Designated as Hedging Instrument [Member]	Aug. 31, 2011 Designated as Hedging Instrument [Member]	Nov. 30, 2010 Designated as Hedging Instrument [Member]	Nov. 30, 2011 Designated as Hedging Instrument [Member] Other Current Assets [Member] Forward Contracts [Member]	Aug. 31, 2011 Designated as Hedging Instrument [Member] Other Current Liabilities [Member] Forward Contracts [Member]	Nov. 30, 2010 Designated as Hedging Instrument [Member] Other Current Liabilities [Member] Forward Contracts [Member]	Nov. 30, 2011 Designated as Hedging Instrument [Member] Other Current Liabilities [Member] Interest Rate Swap [Member]	Aug. 31, 2011 Designated as Hedging Instrument [Member] Other Current Liabilities [Member] Interest Rate Swap [Member]	Nov. 30, 2010 Designated as Hedging Instrument [Member] Other Current Liabilities [Member] Interest Rate Swap [Member]	Nov. 30, 2011 Designated as Hedging Instrument [Member] Other Noncurrent Liabilties [Member] Interest Rate Swap [Member]	Aug. 31, 2011 Designated as Hedging Instrument [Member] Other Noncurrent Liabilties [Member] Interest Rate Swap [Member]	Nov. 30, 2010 Designated as Hedging Instrument [Member] Other Noncurrent Liabilties [Member] Interest Rate Swap [Member]	Nov. 30, 2010 Not Designated as Hedging Instrument [Member]	Nov. 30, 2010 Not Designated as Hedging Instrument [Member] Other Current Assets [Member] Forward Contracts [Member]
Derivative assets								$ 282										$ 7
Derivative liabilities									(218)	(27)
Interest rate swap liabilities											(225)	(267)	(384)	(86)	(149)	(392)
Derivative Assets (Liabilities), at Fair Value, Net					(29)	(634)	(803)										7
Foreign currency forward contracts (losses)	591	[1]	(430)	[1]
Net of tax expense (benefit)	$ 360		$ (263)

[1] Net of tax expense (benefit) of $360 and ($263) for the three months ended November 30, 2011 and 2010, respectively.

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Share-Based Compensation (Details) (USD $)	3 Months Ended
	Nov. 30, 2011 years	Nov. 30, 2010
Allocated Share-based Compensation Expense	$ 900,000	$ 900,000
Grant date price	$ 58.10
Stock options exercise price	$ 58.10
Stock option vesting period	4
Actual earned range minimum	0.00%
Actual earned range maximum	2.00%
Performance Stock [Member]
Stocks granted	19,386
Stocks granted vested period	three
Restricted Stock Units [Member]
Stocks granted	33,989
Stocks granted vested period	three
Approximate percent vested	33.00%
Stock Options [Member]
Stocks granted	36,294

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Inventories (Details) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2011	Aug. 31, 2011	Nov. 30, 2010
Inventories [Abstract]
FIFO inventory	$ 29,604	$ 22,614	$ 24,356
Total inventories	57,646	49,524	53,147
Weighted average inventory	21,768	20,848	19,098
Other FIFO inventory	15,692	15,407	18,184
Obsolescence reserve	(2,240)	(2,167)	(2,186)
LIFO inventory	22,426	15,436	18,051
LIFO reserve	$ (7,178)	$ (7,178)	$ (6,305)
Raw materials	17.00%	14.00%	13.00%
Work in progress	6.00%	8.00%	7.00%
Finished goods and purchased parts	77.00%	78.00%	80.00%

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Fair Value Measurements (Tables)

3 Months Ended

12 Months Ended

Nov. 30, 2011

Nov. 30, 2010

Aug. 31, 2010

Fair Value Measurements[Abstract]

Schedule Of Financial Assets And Liabilities Measured At Fair Value

		September 30,		September 30,			September 30,		September 30,
$ in thousands	Level 1		Level 2			Level 3		Total
Cash and cash equivalents	$	108,731	$	—		$	—	$	108,731
Derivative assets		—		282			—		282
Derivative liabilities		—		(311	)		—		(311	)

		September 30,		September 30,			September 30,		September 30,
$ in thousands	Level 1		Level 2			Level 3		Total
Cash and cash equivalents	$	80,535	$	—		$	—	$	80,535
Derivative assets		—		7			—		7
Derivative liabilities		—		(803	)		—		(803	)

		September 30,		September 30,			September 30,		September 30,
$ in thousands	Level 1		Level 2			Level 3		Total
Cash and cash equivalents	$	108,167	$	—		$	—	$	108,167
Derivative assets		—		—			—		—
Derivative liabilities		—		(634	)		—		(634	)

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Commitments And Contingencies (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 30, 2011	Nov. 30, 2010	Aug. 31, 2011
Commitments and Contingencies Disclosure [Abstract]
Environmental Remediation Expense	$ 7,225	$ 713
Total environmental remediation liabilities	8,099	1,339	1,540
Other current liabilities	2,899	1,339	1,540
Other noncurrent liabilities	$ 5,200

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Credit Arrangements (Schedule Of Principal Payments Due) (Details) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2011	Aug. 31, 2011	Nov. 30, 2010
Credit Arrangements [Abstract]
1 year	$ 4,286
2 year	3,214
Principal Payments due on long-term debt	$ 7,500	$ 8,571	$ 11,786

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Income Taxes

3 Months Ended

Nov. 30, 2011

Income Taxes [Abstract]

Income Taxes

(4) Income Taxes

It is the Company's policy to report income tax expense for interim periods using an estimated annual effective income tax rate. However, the tax effects of significant or unusual items are not considered in the estimated annual effective tax rate. The tax effects of such discrete events are recognized in the interim period in which the events occur.

The Company recorded income tax expense of $1.5 million and $2.3 million for the three months ended November 30, 2011 and 2010, respectively. The estimated effective tax rate used to calculate income tax expense before discrete items was 34.2 percent and 34.8 percent for the periods ended November 30, 2011 and 2010, respectively. The decrease in the estimated effective tax rate from November 2010 to November 2011 primarily relates to an increase in the domestic production activities deduction. For the three months ended November 30, 2011 and 2010, the Company recorded no discrete items.

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Retirement Plan (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 30, 2011	Nov. 30, 2010
Retirement Plan [Abstract]
Total net periodic benefit cost	$ 123	$ 125
Interest cost, supplemental retirement plan	81	84
Net amortization and deferral, supplemental retirement plan	$ 42	$ 41

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Industry Segment Information (Tables)

3 Months Ended

Nov. 30, 2011

Segment Reporting [Abstract]

Schedule Of Segment Reporting Information, By Segment

		September 30,			September 30,
	Three months ended
	November 30,
$ in thousands	2011			2010
Operating revenues:
Irrigation	$	100,776		$	60,009
Infrastructure		18,429			29,157
Total operating revenues	$	119,205		$	89,166
Operating income:
Irrigation (1)	$	9,785		$	5,901
Infrastructure (1)		(1,177	)		4,025
Segment operating income (1)		8,608			9,926
Unallocated general and administrative expenses		(3,525	)		(3,316	)
Other expense, net		(642	)		(33	)
Earnings before income taxes	$	4,441		$	6,577
Total Capital Expenditures:
Irrigation	$	2,036		$	856
Infrastructure		596			628
	$	2,632		$	1,484
Total Depreciation and Amortization:
Irrigation	$	1,670		$	1,352
Infrastructure		1,455			1,574
	$	3,125		$	2,926

Reconciliation Of Assets From Segment To Consolidated

		September 30,		September 30,		September 30,
	November 30		November 30		August 31,
$ in thousands	2011		2010		2010
Total Assets:
Irrigation	$	270,395	$	214,148	$	267,275
Infrastructure		113,687		111,618		113,869
	$	384,082	$	325,766	$	381,144

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Warranties (Tables)

3 Months Ended

Nov. 30, 2011

Warranties [Abstract]

Schedule Of Product Warranty Liability

		September 30,			September 30,
	Three months ended
	November 30,
$ in thousands	2011			2010
Warranties:
Product warranty accrual balance, beginning of period	$	3,651		$	1,862
Liabilities accrued for warranties during the period		899			842
Warranty claims paid during the period		(805	)		(908	)
Product warranty accrual balance, end of period	$	3,745		$	1,796

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Warranties (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 30, 2011	Nov. 30, 2010
Warranties [Abstract]
Product warranty accrual balance, beginning of period	$ 3,651	$ 1,862
Liabilities accrued for warranties during the period	899	842
Warranty claims paid during period	(805)	(908)
Product warranty accrual balance, end of period	$ 3,745	$ 1,796

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Net Earnings Per Share (Details)	3 Months Ended
	Nov. 30, 2011	Nov. 30, 2010
Performance Stock [Member]
Antidilutive securities excluded from computation of earnings per share	89,374
Restricted Stock Units [Member]
Antidilutive securities excluded from computation of earnings per share	10,846	8,249
Stock Options [Member]
Antidilutive securities excluded from computation of earnings per share	12,364

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Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 30, 2011		Nov. 30, 2010
Comprehensive Income (Loss) [Abstract]
Net earnings	$ 2,921		$ 4,286
Defined benefit pension plan, net of tax	26	[1]	25	[1]
Unrealized gain on cash flow hedge, net of tax	72	[1]	102	[1]
Foreign currency forward contracts (losses)	(4,131)	[1]	744	[1]
Total comprehensive income (loss)	(1,112)		5,157
Net of tax expense (benefit)	$ 139		$ (77)

[1] Net of tax expense (benefit) of $139 and ($77) for the three months ended November 30, 2011 and 2010, respectively.

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Comprehensive Income (Loss)

3 Months Ended

Nov. 30, 2011

Comprehensive Income (Loss) [Abstract]

Comprehensive Income (Loss)

(3) Comprehensive Income (Loss)

The accumulated other comprehensive income, net, shown in the Company's consolidated balance sheets includes the unrealized gain (loss) on cash flow hedges, changes in the transition obligation and net actuarial losses from the defined benefit pension plan, and the accumulated foreign currency translation adjustment, net of hedging activities. The following table shows the difference between the Company's reported net earnings and its comprehensive income:

		September 30,			September 30,
	Three months ended
	November 30,
$ in thousands	2011			2010
Comprehensive income (loss):
Net earnings	$	2,921		$	4,286
Other comprehensive income (loss) (1):
Defined benefit pension plan, net of tax		26			25
Unrealized gain on cash flow hedges, net of tax		72			102
Foreign currency translation, net of hedging activities		(4,131	)		744
Total comprehensive income (loss)	$	(1,112	)	$	5,157

⁽¹⁾  Net of tax expense (benefit) of $139 and ($77) for the three months ended November 30, 2011 and 2010, respectively.

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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 30, 2011	Nov. 30, 2010
Income Taxes [Abstract]
Income tax provision	$ 1,520	$ 2,291
Effective income tax rate, continuing operations	34.20%	34.80%

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Fair Value Measurements (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2011	Aug. 31, 2011	Nov. 30, 2010
Fair Value Measurements[Abstract]
Principal Payments due on long-term debt	$ 7,500	$ 8,571	$ 11,786
Long-term portion	$ 7,400	$ 8,500	$ 11,500

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Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Nov. 30, 2011	Nov. 30, 2010
Condensed Consolidated Statements Of Operations [Abstract]
Operating revenues	$ 119,205	$ 89,166
Cost of operating revenues	88,957	64,943
Gross profit	30,248	24,223
Operating expenses:
Selling expense	6,944	7,018
General and administrative expense	8,940	7,318
Engineering and research expense	2,056	2,564
Environmental remediation expense	7,225	713
Total operating expenses	25,165	17,613
Operating income	5,083	6,610
Other income (expense):
Interest expense	(143)	(186)
Interest income	96	42
Other income (expense), net	(595)	111
Earnings before income taxes	4,441	6,577
Income tax provision	1,520	2,291
Net earnings	$ 2,921	$ 4,286
Basic net earnings per share	$ 0.23	$ 0.34
Diluted net earnings per share	$ 0.23	$ 0.34
Weighted average shares outstanding	12,682	12,502
Diluted effect of stock equivalents	82	142
Weighted average shares outstanding assuming dilution	12,764	12,644
Cash dividends per share	$ 0.090	$ 0.085

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Industry Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 30, 2011		Nov. 30, 2010		Aug. 31, 2011
Operating income	$ 5,083		$ 6,610
Total operating revenues	119,205		89,166
Segment operating income (loss)	8,608	[1]	9,926	[1]
Unallocated general and administrative expenses	(3,525)		(3,316)
General and administrative expense	8,940		7,318
Other expense, net	(642)		(33)
Earnings before income taxes	4,441		6,577
Capital expenditures	2,632		1,484
Depreciation and amortization	3,125		2,926
Assets	384,082		325,766		381,144
Environmental Remediation Expense	7,225		713
Irrigation [Member]
Operating revenue	100,776		60,009
Segment operating income (loss)	9,785	[1]	5,901	[1]
Capital expenditures	2,036		856
Depreciation and amortization	1,670		1,352
Assets	270,395		214,148		267,275
Environmental Remediation Expense	6,100		600
Infrastructure [Member]
Operating revenue	18,429		29,157
Segment operating income (loss)	(1,177)	[1]	4,025	[1]
Capital expenditures	596		628
Depreciation and amortization	1,455		1,574
Assets	113,687		111,618		113,869
Environmental Remediation Expense	$ 1,100		$ 100

[1] Environmental remediation expenses of $6.1 and $1.1 million were allocated to the irrigation segment and the infrastructure segment, respectively, for the three months ended November 30, 2011. Environmental remediation expenses of $0.6 and $0.1 million were allocated to the irrigation segment and the infrastructure segment, respectively, for the three months ended November 30, 2010.

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Condensed Consolidated Financial Statements

3 Months Ended

Nov. 30, 2011

Condensed Consolidated Financial Statements [Abstract]

Condensed Consolidated Financial Statements

(1) Condensed Consolidated Financial Statements

The condensed consolidated financial statements are presented in accordance with the rules and regulations of the Securities and Exchange Commission (SEC) and do not include all of the disclosures normally required by U.S. generally accepted accounting principles as contained in Lindsay Corporation's (the "Company") annual Form 10-K filing. Accordingly, these condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company's latest annual report on Form 10-K for the fiscal year ended August 31, 2011.

In the opinion of management, the condensed consolidated financial statements of the Company reflect all adjustments (consisting of only normal recurring accruals) necessary to present fairly the financial position and the results of operations and cash flows for the periods presented. The results for interim periods are not necessarily indicative of trends or results expected by the Company for a full year.

The condensed consolidated financial statements were prepared using accounting principles generally accepted in the United States. These principles require us to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities and the reported amounts of revenues and expenses. Actual results could differ from these estimates. Certain reclassifications have been made to prior financial statements and notes to conform to the current year presentation. These reclassifications were not material to the Company's condensed consolidated financial statements.

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Credit Arrangements (Narrative) (Details)	3 Months Ended		3 Months Ended
	Nov. 30, 2011 USD ($)	Nov. 30, 2011 Revolving Credit Agreement [Member] USD ($)	Nov. 30, 2011 BSI Term Note [Member]	Jun. 01, 2006 BSI Term Note [Member] USD ($)	Nov. 30, 2011 Euro Line Of Credit [Member] EUR (€)
Unsecured revolving line of credit, maximum borrowing capacity	$ 3,100,000				€ 2,300,000
Basis points spread		105	50		110
Basis percentage	6.05%				2.57%
Unsecured term note amount		30,000,000		30,000,000
Principal payment, quarterly	$ 1,100,000
Revolving credit note amended date	January 23, 2011
Revolving credit note termination date	January 23, 2014
Annual commitment fee on unused portion	0.25%
Fixed interest rate	6.05%
Maturity date			Jun. 10, 2013

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Property, Plant, And Equipment (Tables)

3 Months Ended

Nov. 30, 2011

Property, Plant And Equipment [Abstract]

Property, Plant And Equipment

		September 30,			September 30,			September 30,
	November 30,			November 30,			August 31,
$ in thousands	2011			2010			2011
Operating property, plant and equipment:
Land	$	2,587		$	2,777		$	2,859
Buildings		28,760			28,521			29,372
Equipment		72,242			67,226			71,942
Other		6,230			4,619			5,521
Total operating property, plant and equipment		109,819			103,143			109,694
Accumulated depreciation		(66,009	)		(60,249	)		(65,083	)
Total operating property, plant and equipment, net		43,810			42,894			44,611
Property held for lease:
Machines		3,903			3,852			3,907
Barriers		17,833			16,633			18,198
Total property held for lease		21,736			20,485			22,105
Accumulated depreciation		(8,571	)		(6,585	)		(8,251	)
Total property held for lease, net		13,165			13,900			13,854
Property, plant and equipment, net	$	56,975		$	56,794		$	58,465

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Credit Arrangements (Schedule Of Line Of Credit Facilities) (Details) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2011	Aug. 31, 2011	Nov. 30, 2010
Credit Arrangements [Abstract]
BSI Term Note	$ 7,500	$ 8,571	$ 11,786
Less current portion	(4,286)	(4,286)	(4,286)
Long-term debt	$ 3,214	$ 4,285	$ 7,500

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Financial Derivatives (Tables)

3 Months Ended

Nov. 30, 2011

Financial Derivatives [Abstract]

Schedule Of Derivatives Instruments Statements Of Financial Performance And Financial Position, Location

	September 30,		September 30,			September 30,			September 30,
	Fair Values of Derivative Instruments Asset (Liability) Derivatives
		November 30,			November 30,			August 31,
$ in thousands	Balance Sheet Location	2011			2010			2011
Derivatives designated as hedging instruments:
Foreign currency forward contracts	Other current assets	$	282		$	—		$	—
Foreign currency forward contracts	Other current liabilities		—			(27	)		(218	)
Interest rate swap	Other current liabilities		(225	)		(384	)		(267	)
Interest rate swap	Other noncurrent liabilities		(86	)		(392	)		(149	)
Total derivatives designated as hedging instruments		$	(29	)	$	(803	)	$	(634	)
Derivatives not designated as hedging instruments:
Foreign currency option contract	Other current assets	$	—		$	7		$	—
Total derivatives not designated as hedging instruments		$	—		$	7		$	—

Schedule Of Derivative Instruments, Effect On Other Comprehensive Income (Loss)

		September 30,		September 30,
	Amount of Gain/(Loss)
	Recognized in OCI on Derivatives
	Three months ended
	November 30,
$ in thousands	2011		2010
Foreign currency forward contracts (1)	$	591	$	(430	)

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Net Earnings Per Share

3 Months Ended

Nov. 30, 2011

Net Earnings Per Share [Abstract]

Net Earnings Per Share

(2) Net Earnings per Share

Basic net earnings per share is computed using the weighted-average number of common shares outstanding during the period. Diluted net earnings per share is computed using the weighted-average number of common shares outstanding plus dilutive potential common shares outstanding during the period. Dilutive potential common shares consist of stock options and restricted stock units to the extent they are not anti-dilutive. Performance stock units are excluded from the calculation of dilutive potential common shares until the threshold performance conditions have been satisfied. At November 30, 2011, the threshold performance conditions for the Company's outstanding performance stock units that were granted on November 12, 2009, November 1, 2010 and October 31, 2011 had not been satisfied, resulting in the exclusion of 89,374 performance stock units from the calculation of diluted net earnings per share.

Employee stock options, nonvested shares and similar equity instruments granted by the Company are treated as potential common share equivalents outstanding in computing diluted net earnings per share. The Company's diluted common shares outstanding reported in each period includes the dilutive effect of restricted stock units, in-the-money options, and performance stock units for which threshold performance conditions have been satisfied and is calculated based on the average share price for each fiscal period using the treasury stock method. Under the treasury stock method, the amount the employee must pay for exercising stock options, the amount of compensation cost for future service that the Company has not yet recognized on share based awards, and the amount of excess tax benefits that would be recorded in additional paid-in capital when shares are issued and assumed to be used to repurchase shares.

There were 10,846 and 8,249 restricted stock units excluded from the calculation of diluted net earnings per share for the three months ended November 30, 2011 and 2010 since their inclusion would have been anti-dilutive. In addition, there were 12,364 stock options excluded from the calculation of diluted net earnings per share for the three months ended November 30, 2011 because they had an exercise price exceeding the average market price of the Company's common shares during the period.

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Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Nov. 30, 2011	Aug. 31, 2011	Nov. 30, 2010
ASSETS
Cash and cash equivalents	$ 108,731	$ 108,167	$ 80,535
Receivables, net of allowances of $2,171, $2,187 and $2,340, respectively	76,671	79,006	60,000
Inventories, net	57,646	49,524	53,147
Deferred income taxes	8,980	8,598	5,740
Other current assets	11,787	12,398	8,540
Total current assets	263,815	257,693	207,962
Property, plant and equipment, net	56,975	58,465	56,794
Other intangible assets, net	27,494	28,639	28,078
Goodwill	30,390	30,943	28,123
Other noncurrent assets	5,408	5,404	4,809
Total assets	384,082	381,144	325,766
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable	39,955	32,153	33,316
Current portion of long-term debt	4,286	4,286	4,286
Other current liabilities	38,072	42,880	25,922
Total current liabilities	82,313	79,319	63,524
Pension benefits liabilities	6,173	6,231	6,344
Long-term debt	3,214	4,285	7,500
Deferred income taxes	10,433	12,550	11,461
Other noncurrent liabilities	8,128	3,094	1,994
Total liabilities	110,261	105,479	90,823
Shareholders' equity:
Preferred stock, ($1 par value, 2,000 shares authorized, no shares issued and outstanding)
Common stock, ($1 par value, 25,000 shares authorized,18,397, 18,242 and 18,374 shares issued at November 30, 2011 and 2010 and August 31, 2011, respectively)	18,397	18,374	18,242
Capital in excess of stated value	39,446	39,058	31,942
Retained earnings	304,510	302,732	273,494
Less treasury stock (at cost, 5,698 shares)	(90,961)	(90,961)	(90,961)
Accumulated other comprehensive income, net	2,429	6,462	2,226
Total shareholders' equity	273,821	275,665	234,943
Total liabilities and shareholders' equity	$ 384,082	$ 381,144	$ 325,766

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Warranties

3 Months Ended

Nov. 30, 2011

Warranties [Abstract]

Warranties

(12) Warranties

The Company generally warrants its products against certain manufacturing and other defects. These product warranties are provided for specific periods and/or usage of the product. The accrued product warranty costs are for a combination of specifically identified items and other incurred, but not identified items based primarily on historical experience of actual warranty claims. This reserve is classified within other current liabilities. The following tables provide the changes in the Company's product warranties:

		September 30,			September 30,
	Three months ended
	November 30,
$ in thousands	2011			2010
Warranties:
Product warranty accrual balance, beginning of period	$	3,651		$	1,862
Liabilities accrued for warranties during the period		899			842
Warranty claims paid during the period		(805	)		(908	)
Product warranty accrual balance, end of period	$	3,745		$	1,796

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Document And Entity Information	3 Months Ended
	Nov. 30, 2011	Jan. 02, 2012
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	true
Amendment Description	The sole purpose of this amendment to Lindsay Corporation's Quarterly Report on Form 10-Q for the quarterly period ended November 30, 2011, originally filed with the Securities and Exchange Commission on January 6, 2012, is to furnish an amended Exhibit 101 to the Form 10-Q, which contains the XBRL (eXtensible Business Reporting Language) Interactive Data File for the financial statements and notes included in Part I, Item 1 of the Form 10-Q. As permitted by Rule 405(a)(2)(ii) of Regulation S-T, Exhibit 101 was required to be furnished by amendment within 30 days of the original filing date of the Form 10-Q. Exhibit 101 of this amended Form 10-Q includes notes and schedules tagged in detail and replaces Exhibit 101 to the original Form 10-Q, which was tagged in block. No other changes have been made to the Form 10-Q. this Amendment No. 1 speaks as of the original filing date of the Form 10-Q, has not been updated to reflect events that may have occurred subsequent to the original filing date, and does not modify or update any related disclosures made in the Form 10-Q.
Document Period End Date	Nov. 30, 2011
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q1
Trading Symbol	LNN
Entity Registrant Name	LINDSAY CORP
Entity Central Index Key	0000836157
Current Fiscal Year End Date	--08-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		12,699,038

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Industry Segment Information

3 Months Ended

Nov. 30, 2011

Segment Reporting [Abstract]

Industry Segment Information

(13) Industry Segment Information

The Company manages its business activities in two reportable segments:

Irrigation: This reporting segment includes the manufacture and marketing of center pivot, lateral move, and hose reel irrigation systems as well as various water pumping stations and controls. The irrigation reporting segment consists of twelve operating segments that have similar economic characteristics and meet the aggregation criteria, including similar products, production processes, type or class of customer and methods for distribution.

Infrastructure: This reporting segment includes the manufacture and marketing of moveable barriers, specialty barriers and crash cushions; providing outsource manufacturing services and the manufacturing and selling of large diameter steel tubing and railroad signals and structures. The infrastructure reporting segment consists of three operating segments that have similar economic characteristics and meet the aggregation criteria.

The Company evaluates the performance of its reportable segments based on segment sales, gross profit, and operating income, with operating income for segment purposes excluding unallocated corporate general and administrative expenses, interest income, interest expense, other income and expenses, and income taxes. Operating income for segment purposes does include general and administrative expenses, selling expenses, engineering and research expenses, environmental remediation expenses and other overhead charges directly attributable to the segment. There are no inter-reporting segment sales.

The Company had no single customer representing 10 percent or more of its total revenues during the three months ended November 30, 2011 and 2010. Summarized financial information concerning the Company's reportable segments is shown in the following table:

		September 30,			September 30,
	Three months ended
	November 30,
$ in thousands	2011			2010
Operating revenues:
Irrigation	$	100,776		$	60,009
Infrastructure		18,429			29,157
Total operating revenues	$	119,205		$	89,166
Operating income:
Irrigation (1)	$	9,785		$	5,901
Infrastructure (1)		(1,177	)		4,025
Segment operating income (1)		8,608			9,926
Unallocated general and administrative expenses		(3,525	)		(3,316	)
Other expense, net		(642	)		(33	)
Earnings before income taxes	$	4,441		$	6,577
Total Capital Expenditures:
Irrigation	$	2,036		$	856
Infrastructure		596			628
	$	2,632		$	1,484
Total Depreciation and Amortization:
Irrigation	$	1,670		$	1,352
Infrastructure		1,455			1,574
	$	3,125		$	2,926

(1) Environmental remediation expenses of $6.1 and $1.1 million were allocated to the irrigation segment and the infrastructure segment, respectively, for the three months ended November 30, 2011. Environmental remediation expenses of $0.6 and $0.1 million were allocated to the irrigation segment and the infrastructure segment, respectively, for the three months ended November 30, 2010.

		September 30,		September 30,		September 30,
	November 30		November 30		August 31,
$ in thousands	2011		2010		2010
Total Assets:
Irrigation	$	270,395	$	214,148	$	267,275
Infrastructure		113,687		111,618		113,869
	$	384,082	$	325,766	$	381,144

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Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Nov. 30, 2011	Aug. 31, 2011	Nov. 30, 2010
Condensed Consolidated Balance Sheets [Abstract]
Receivables, allowance	$ 2,171	$ 2,340	$ 2,187
Preferred stock, par value	$ 1	$ 1	$ 1
Preferred stock, authorized	2,000	2,000	2,000
Preferred stock, outstanding	0	0	0
Preferred stock, issued	0	0	0
Common stock, par value	$ 1	$ 1	$ 1
Common stock, authorized	25,000	25,000	25,000
Common stock, issued	18,397	18,374	18,242
Treasury stock, shares	5,698	5,698	5,698

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Credit Arrangements

3 Months Ended

Nov. 30, 2011

Credit Arrangements [Abstract]

Credit Arrangements

(7) Credit Arrangements

Euro Line of Credit

The Company's wholly-owned European subsidiary, Lindsay Europe, has an unsecured revolving line of credit with Societe Generale, a European commercial bank, under which it could borrow for working capital purposes up to 2.3 million Euros, which equates to approximately USD $3.1 million as of November 30, 2011 (the "Euro Line of Credit"). There were no borrowings outstanding on this credit agreement at November 30, 2011 and 2010 and August 31, 2011. Under the terms of the Euro line of Credit, borrowings, if any, bear interest at a floating rate in effect from time to time designated by the commercial bank as Euro Interbank Offered Rate plus 110 basis points, (2.57 percent at November 30, 2011). Unpaid principal and interest is due by January 31, 2012, which is the termination date of the Euro Line of Credit.

BSI Term Note

The Company entered into an unsecured $30.0 million Term Note and Credit Agreement, effective June 1, 2006, with Wells Fargo Bank, N.A. (the "BSI Term Note") to partially finance the acquisition of BSI. Borrowings under the BSI Term Note bear interest at a rate equal to LIBOR plus 50 basis points. The Company has fixed the rate at 6.05 percent through an interest rate swap as described in Note 8, Financial Derivatives. Principal is repaid quarterly in equal payments of $1.1 million over a seven-year period that began in September of 2006. The BSI Term Note is due June 10, 2013.

Revolving Credit Agreement

The Company has an unsecured $30.0 million Revolving Credit Note and Credit Agreement with Wells Fargo Bank, N.A. (the "Revolving Credit Agreement"). The Revolving Credit Agreement was amended on January 23, 2011 in order to extend the termination date from January 23, 2012 to January 23, 2014. The borrowings from the Amended Revolving Credit Agreement will primarily be used for working capital purposes and funding acquisitions. At November 30, 2011 and 2010 and August 31, 2011, there was no outstanding balance on the Revolving Credit Agreement.

Borrowings under the Revolving Credit Agreement bear interest at a rate equal to LIBOR plus 105 basis points, subject to adjustment as set forth in the Revolving Credit Agreement as amended. Interest is paid on a monthly to quarterly basis depending on the loan type. The Company also pays an annual commitment fee of 0.25 percent on the unused portion of the Amended Revolving Credit Agreement. Unpaid principal and interest is due by January 23, 2014.

The BSI Term Note and the Revolving Credit Agreement (collectively, the "Notes") each contain the same covenants, including certain covenants relating to the Company's financial condition. These include maintaining a funded debt to EBITDA ratio, a fixed charge coverage ratio, a current ratio and a tangible net worth requirement (all as defined in the Notes) at specified levels. Upon the occurrence of any event of default of these covenants specified in the Notes, including a change in control of the Company (as defined in the Notes), all amounts due thereunder may be declared to be immediately due and payable. At November 30, 2011 and 2010 and August 31, 2010, management believes that the Company was in compliance with all loan covenants.

Outstanding long-term debt consists of the following:

		September 30,			September 30,			September 30,
	November 30,			November 30,			August 31,
$ in thousands	2011			2010			2011
BSI Term Note		7,500		$	11,786		$	8,571
Less current portion		(4,286	)		(4,286	)		(4,286	)
Total long-term debt		3,214		$	7,500		$	4,285

Principal payments due on long-term debt are as follows:

	September 30,
Due within:
1 year	4,286
2 years	3,214
	7,500

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Property, Plant And Equipment

3 Months Ended

Nov. 30, 2011

Property, Plant And Equipment [Abstract]

Property Plant And Equipment

(6) Property, Plant and Equipment

Property, plant and equipment are stated at cost, net of accumulated depreciation and amortization, as follows:

		September 30,			September 30,			September 30,
	November 30,			November 30,			August 31,
$ in thousands	2011			2010			2011
Operating property, plant and equipment:
Land	$	2,587		$	2,777		$	2,859
Buildings		28,760			28,521			29,372
Equipment		72,242			67,226			71,942
Other		6,230			4,619			5,521
Total operating property, plant and equipment		109,819			103,143			109,694
Accumulated depreciation		(66,009	)		(60,249	)		(65,083	)
Total operating property, plant and equipment, net		43,810			42,894			44,611
Property held for lease:
Machines		3,903			3,852			3,907
Barriers		17,833			16,633			18,198
Total property held for lease		21,736			20,485			22,105
Accumulated depreciation		(8,571	)		(6,585	)		(8,251	)
Total property held for lease, net		13,165			13,900			13,854
Property, plant and equipment, net	$	56,975		$	56,794		$	58,465

Depreciation expense was $2.4 million and $2.2 million for the three months ended November 30, 2011 and 2010, respectively.

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Credit Arrangements (Tables)

3 Months Ended

Nov. 30, 2011

Credit Arrangements [Abstract]

Schedule Of Line Of Credit Facilities

		September 30,			September 30,			September 30,
	November 30,			November 30,			August 31,
$ in thousands	2011			2010			2011
BSI Term Note		7,500		$	11,786		$	8,571
Less current portion		(4,286	)		(4,286	)		(4,286	)
Total long-term debt		3,214		$	7,500		$	4,285

Schedule Of Principal Payments Due

	September 30,
Due within:
1 year	4,286
2 years	3,214
	7,500

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Share-Based Compensation

3 Months Ended

Nov. 30, 2011

Share-Based Compensation [Abstract]

Share-Based Compensation

(14) Share-Based Compensation

The Company measures and recognizes compensation expense for all share-based payment awards made to employees and directors based on estimated fair values. The value of the portion of the award that is ultimately expected to vest is recognized as expense in the Company's Consolidated Statement of Operations over the periods during which the employee or director is required to perform a service in exchange for the award. The Company's current share-based compensation plan, approved by the stockholders of the Company, provides for awards of stock options, restricted shares, restricted stock units, stock appreciation rights, performance shares and performance stock units to employees and non-employee directors of the Company. In connection with the restricted stock units, performance stock units and stock options, the Company is accruing compensation expense based on the estimated number of shares expected to be issued utilizing the most current information available to the Company at the date of the financial statements. Share-based compensation expense was $0.9 million and $0.9 million for the three months ended November 30, 2011 and 2010, respectively.

During the first quarter of fiscal 2012, the Company granted 33,989 restricted stock units and 19,386 performance stock units at a grant date price of $58.10. The restricted stock units vest over a three-year period at approximately 33 percent per year. Restricted stock units are generally settled with the issuance of shares with the exception of certain restricted stock units awarded to internationally-based employees that are settled in cash. The performance stock units vest contingent upon meeting various performance goals. The performance goals are based upon a three-year revenue growth and a three-year average return on net assets over the performance period. The awards actually earned may range from zero to two hundred percent of the targeted number of performance stock units and will be paid in shares of common stock. Shares earned will be distributed upon vesting on the first day of November following the end of the three-year performance period. The Company is accruing compensation expense based on the estimated number of shares expected to be issued utilizing the most current information available to the Company at the date of the financial statements. If defined performance goals are not met, no compensation cost will be recognized and any previously recognized compensation expense will be reversed.

During the first quarter of fiscal 2012, the Company granted 36,294 stock options at an exercise price of $58.10 that vest ratably over a period of four years. The Company uses the Black-Scholes option-pricing model ("Black-Scholes model") as its valuation method for stock option awards. Under the Black-Scholes model, the fair value of stock option awards on the date of grant is estimated using an option-pricing model that is affected by the Company's stock price as well as assumptions regarding a number of highly complex and subjective variables. These variables include, but are not limited to the Company's expected stock price volatility over the term of the awards and actual and projected employee stock option exercise behaviors.

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Commitments And Contingencies

3 Months Ended

Nov. 30, 2011

Commitments And Contingencies [Abstract]

Commitments And Contingencies

(10) Commitments and Contingencies

In 1992, the Company entered into a consent decree with the Environmental Protection Agency of the United States Government (the "EPA") in which the Company committed to remediate environmental contamination of the groundwater that was discovered in 1982 through 1990 at and adjacent to its Lindsay, Nebraska facility (the "site"). The site was added to the EPA's list of priority superfund sites in 1989. Between 1993 and 1995, remediation plans for the site were approved by the EPA and fully implemented by the Company. Since 1998, the primary remaining contamination at the site has been the presence of volatile organic chemicals in the groundwater. The current remediation process consists of drilling wells into the aquifer and pumping water to the surface to allow these contaminants to be removed by aeration. The Company accrues the anticipated cost of remediation when the obligation is probable and can be reasonably estimated.

In 2008, the Company and the EPA conducted its periodic five-year review of the status of the remediation of the contamination of the site. In response to the review, the Company and its environmental consultants have developed a remedial action work plan. In addition, the Company is scheduled to meet with the EPA in fiscal 2012 to discuss options that could result in more permanent or more clearly defined remediation of the source areas of contamination at the site. In preparation for this meeting, the Company has undertaken an investigation to assess further potential site remediation and containment actions. In connection with the receipt of preliminary results of this investigation and other evaluations, the Company estimates that it will incur $7.2 million in remediation and operating costs over the next 5 to 10 years and has accrued that undiscounted amount as an operating expense in the first quarter.

Although the Company has accrued all reasonably estimable costs associated with remediation of the site, it is expected that additional testing and environmental monitoring and remediation will be required in the future as part of the Company's ongoing discussions with the EPA regarding the development and implementation of the remedial action plans, which could result in changes to its estimates. In addition, the current investigation has not yet been completed and does not include all affected areas on the site. Estimates continue to be refined and evaluated on a number of remediation alternatives and the Company has not yet made a recommendation of its specific remediation plan, nor has the EPA provided feedback or approval of possible action plans. While additional estimated expenses could significantly exceed the amount accrued as of November 30, 2011 and could be material to the operating results of any fiscal quarter or fiscal year, the Company does not expect that such additional expenses would have a material adverse effect on the liquidity or financial condition of the Company.

The following table summarizes the undiscounted environmental remediation liability classifications included in the balance sheet as of November 30, 2011 and 2010 and August 31, 2011:

		September 30,		September 30,		September 30,
Environmental Remediation Liabilities
$ in thousands	November 30,		November 30,		August 31,
Balance Sheet Location	2011		2010		2011
Other current liabilities	$	2,899	$	1,339	$	1,540
Other noncurrent liabilities		5,200		—		—
Total environmental remediation liabilities	$	8,099	$	1,339	$	1,540

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Financial Derivatives

3 Months Ended

Nov. 30, 2011

Financial Derivatives [Abstract]

Financial Derivatives

(8) Financial Derivatives

The Company uses certain financial derivatives to mitigate its exposure to volatility in interest rates and foreign currency exchange rates. The Company uses these derivative instruments to hedge exposures in the ordinary course of business and does not invest in derivative instruments for speculative purposes. Each derivative is designated as a cash flow hedge, a hedge of a net investment, or remains undesignated. The Company records the fair value of these derivative instruments on the balance sheet. For the instruments that are designated as a cash flow hedge and meet certain documentary and analytical requirements to qualify for hedge accounting treatment, changes in the fair value for the effective portion are reported in other comprehensive income ("OCI"), net of related income tax effects, and are reclassified to the income statement when the effects of the item being hedged are recognized in the income statement. Changes in fair value of derivative instruments that qualify as hedges of a net investment in foreign operations are recorded as a component of accumulated currency translation adjustment in accumulated other comprehensive income ("AOCI"), net of related income tax effects. Changes in the fair value of undesignated hedges are recognized currently in the income statement as other income (expense). All changes in derivative fair values due to ineffectiveness are recognized in income.

The Company manages market and credit risks associated with its derivative instruments by establishing and monitoring limits as to the types and degree of risk that may be undertaken, and by entering into transactions with high-quality counterparties. As of November 30, 2011, the Company's derivative counterparty had investment grade credit ratings.

Financial derivatives consist of the following:

	September 30,		September 30,			September 30,			September 30,
	Fair Values of Derivative Instruments Asset (Liability) Derivatives
		November 30,			November 30,			August 31,
$ in thousands	Balance Sheet Location	2011			2010			2011
Derivatives designated as hedging instruments:
Foreign currency forward contracts	Other current assets	$	282		$	—		$	—
Foreign currency forward contracts	Other current liabilities		—			(27	)		(218	)
Interest rate swap	Other current liabilities		(225	)		(384	)		(267	)
Interest rate swap	Other noncurrent liabilities		(86	)		(392	)		(149	)
Total derivatives designated as hedging instruments		$	(29	)	$	(803	)	$	(634	)
Derivatives not designated as hedging instruments:
Foreign currency option contract	Other current assets	$	—		$	7		$	—
Total derivatives not designated as hedging instruments		$	—		$	7		$	—

In addition, accumulated other comprehensive income included realized and unrealized gains, net of related income tax effects, of $1.1 million, $0.6 million and $0.5 million at November 30, 2011 and 2010, and August 31, 2011, respectively, related to derivative contracts designated as hedging instruments.

Cash Flow Hedging Relationships

In order to reduce interest rate risk on the BSI Term Note, the Company entered into an interest rate swap agreement with Wells Fargo Bank, N.A. that is designed to convert the variable interest rate on the entire amount of the borrowing to a fixed rate of 6.05 percent per annum. Under the terms of the interest rate swap, the Company receives variable interest rate payments and makes fixed interest rate payments on an amount equal to the outstanding balance of the BSI Term Note. Changes in the fair value of the interest rate swap designated as a hedging instrument that effectively offset the variability of cash flows associated with variable-rate, long-term debt obligations are reported in AOCI, net of related income tax effects.

In order to reduce exposures related to changes in foreign currency exchange rates, the Company, at times, may enter into forward exchange or option contracts for transactions denominated in a currency other than the functional currency for certain of its operations. This activity primarily relates to economically hedging against foreign currency risk in purchasing inventory, sales of finished goods, and future settlement of foreign denominated assets and liabilities. Changes in the fair value of the forward exchange contracts or option contracts designated as hedging instruments that effectively offset the hedged risks are reported in AOCI, net of related income tax effects. The Company had no material forward exchange contracts and option contracts with cash flow hedging relationships at November 30, 2011 and 2010 and August 31, 2011. In addition, the amount of gain or loss recognized in OCI, the amount of gain or loss reclassified from AOCI into income and the amount of gain or loss recognized in income related to the outstanding cash flow hedging relationships were immaterial.

Net Investment Hedging Relationships

In order to reduce translation exposure resulting from translating the financial statements of its international subsidiaries into U.S. dollars, the Company, at times, utilizes Euro foreign currency forward contracts to hedge a portion of its Euro net investment exposure in its foreign operations. These foreign currency forward contracts qualify as a hedge of net investments in foreign operations. Changes in fair value of the net investment hedge contracts are reported in OCI as part of the currency translation adjustment, net of tax.

		September 30,		September 30,
	Amount of Gain/(Loss)
	Recognized in OCI on Derivatives
	Three months ended
	November 30,
$ in thousands	2011		2010
Foreign currency forward contracts (1)	$	591	$	(430	)

⁽¹⁾ Net of tax expense (benefit) of $360 and ($263) for the three months ended November 30, 2011 and 2010, respectively.

During the first quarter of fiscal 2012 and 2011, the Company settled Euro foreign currency forward contracts resulting in after-tax net gains (losses) of $0.3 million and ($0.4 million), respectively, which were included in OCI as part of a currency translation adjustment. There were no amounts recorded in the consolidated statement of operations related to ineffectiveness of Euro foreign currency forward contracts for the three months ended November 30, 2011 and 2010. Accumulated currency translation adjustments in AOCI at November 30, 2011 and 2010 and August 31, 2011 reflected after-tax gains of $1.2 million, $1.1 million, and $0.9 million.

At November 30, 2011 and August 31, 2011, the Company had outstanding Euro foreign currency forward contracts to sell 17.0 million Euro and 10.0 million Euro, respectively, at fixed prices to settle during the next fiscal quarter. The Company did not have any outstanding Euro foreign currency forward contracts at November 30, 2010. The Company's foreign currency forward contracts qualify as hedges of a net investment in foreign operations.

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Fair Value Measurements

3 Months Ended

Nov. 30, 2011

Fair Value Measurements[Abstract]

Fair Value Measurements

(9) Fair Value Measurements

The Company applies the provisions of the Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) 820, Fair Value Measurements and Disclosures, which defines fair value, establishes a framework for measuring fair value, and expands disclosures about fair value measurements. As defined in ASC 820, fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date.

ASC 820 establishes a three-level hierarchy for fair value measurements based upon the transparency of inputs to the valuation of an asset or liability as of the measurement date. Inputs refers broadly to the assumptions that market participants would use in pricing the asset or liability, including assumptions about risk. The categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. Financial assets and liabilities carried at fair value will be classified and disclosed in one of the following three categories:

• Level 1 - inputs to the valuation techniques are quoted prices in active markets for identical assets or liabilities

• Level 2 - inputs to the valuation techniques are other than quoted prices but are observable for the assets or liabilities, either directly or indirectly

• Level 3 - inputs to the valuation techniques are unobservable for the assets or liabilities

The following table presents the Company's financial assets and liabilities measured at fair value based upon the level within the fair value hierarchy in which the fair value measurements fall, as of November 30, 2011:

		September 30,		September 30,			September 30,		September 30,
$ in thousands	Level 1		Level 2			Level 3		Total
Cash and cash equivalents	$	108,731	$	—		$	—	$	108,731
Derivative assets		—		282			—		282
Derivative liabilities		—		(311	)		—		(311	)

The following table presents the Company's financial assets and liabilities measured at fair value based upon the level within the fair value hierarchy in which the fair value measurements fall, as of November 30, 2010:

		September 30,		September 30,			September 30,		September 30,
$ in thousands	Level 1		Level 2			Level 3		Total
Cash and cash equivalents	$	80,535	$	—		$	—	$	80,535
Derivative assets		—		7			—		7
Derivative liabilities		—		(803	)		—		(803	)

The following table presents the Company's financial assets and liabilities measured at fair value based upon the level within the fair value hierarchy in which the fair value measurements fall, as of August 31, 2011:

		September 30,		September 30,			September 30,		September 30,
$ in thousands	Level 1		Level 2			Level 3		Total
Cash and cash equivalents	$	108,167	$	—		$	—	$	108,167
Derivative assets		—		—			—		—
Derivative liabilities		—		(634	)		—		(634	)

The carrying amount of long-term debt (including current portion) was $7.5 million, $11.8 million and $8.6 million as of November 30, 2011 and 2010 and August 31, 2011, respectively. The fair value of this debt was estimated at $7.4 million, $11.5 million, and $8.5 million as of November 30, 2011 and 2010 and August 31, 2011, respectively. Fair value of long-term debt (including current portion) is estimated by discounting the future estimated cash flows of each instrument at current market interest rates for similar debt instruments of comparable maturities and credit quality

The Company also measures the fair value of certain assets on a non-recurring basis, generally quarterly, annually, or when events or changes in circumstances indicate that the carrying amount of the assets may not be recoverable. These assets include fixed assets, goodwill, and other intangible assets. There were no required fair value adjustments for assets and liabilities measured at fair value on a non-recurring basis for the three months ended November 30, 2011 or 2010.

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Retirement Plan

3 Months Ended

Nov. 30, 2011

Retirement Plan [Abstract]

Retirement Plan

(11) Retirement Plan

The Company has a supplemental non-qualified, unfunded retirement plan for six former employees. Plan benefits are based on the participant's average total compensation during the three highest compensation years of employment during the ten years immediately preceding the participant's retirement or termination. This unfunded supplemental retirement plan is not subject to the minimum funding requirements of ERISA. The Company has purchased life insurance policies on four of the participants named in this supplemental retirement plan to provide partial funding for this liability. Components of net periodic benefit cost for the Company's supplemental retirement plan are classified as general and administrative expenses and include:

		September 30,		September 30,
	Three months  ended November 30,
$ in thousands	2011		2010
Net periodic benefit cost:
Interest cost	$	81	$	84
Net amortization and deferral		42		41
Total net periodic benefit cost	$	123	$	125

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Property, Plant, and Equipment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 30, 2011	Nov. 30, 2010	Aug. 31, 2011
Property, Plant And Equipment [Abstract]
Property, plant, and equipment, net	$ 56,975	$ 56,794	$ 58,465
Total operating property, plant, and equipment, net	43,810	42,894	44,611
Total operating property, plant and equipment	109,819	103,143	109,694
Land	2,587	2,777	2,859
Buildings	28,760	28,521	29,372
Equipment	72,242	67,226	71,942
Other	6,230	4,619	5,521
Accumulated depreciation	(66,009)	(60,249)	(65,083)
Total property held for lease, net	13,165	13,900	13,854
Accumulated depreciation	(8,571)	(6,585)	(8,251)
Total property held for lease	21,736	20,485	22,105
Barriers	17,833	16,633	18,198
Machines	3,903	3,852	3,907
Depreciation expense	$ 2,400	$ 2,200

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Inventories (Tables)

3 Months Ended

Nov. 30, 2011

Inventories [Abstract]

Schedule Of Inventories

		September 30,			September 30,			September 30,
	November 30,			November 30,			August 31,
$ in thousands	2011			2010			2011
Inventory:
FIFO inventory	$	29,604		$	24,356		$	22,614
LIFO reserves		(7,178	)		(6,305	)		(7,178	)
LIFO inventory		22,426			18,051			15,436
Weighted average inventory		21,768			19,098			20,848
Other FIFO inventory		15,692			18,184			15,407
Obsolescence reserve		(2,240	)		(2,186	)		(2,167	)
Total inventories	$	57,646		$	53,147		$	49,524

Schedule Of Percentage Distribution

		September 30,			September 30,			September 30,
	November 30,			November 30,			August 31,
	2011			2010			2011
Raw materials		17	%		13	%		14	%
Work in process		6	%		7	%		8	%
Finished goods and purchased parts		77	%		80	%		78	%

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Commitments And Contingencies (Tables)

3 Months Ended

Nov. 30, 2011

Commitments and Contingencies Disclosure [Abstract]

Environmental Remediation Liabilities

		September 30,		September 30,		September 30,
Environmental Remediation Liabilities
$ in thousands	November 30,		November 30,		August 31,
Balance Sheet Location	2011		2010		2011
Other current liabilities	$	2,899	$	1,339	$	1,540
Other noncurrent liabilities		5,200		—		—
Total environmental remediation liabilities	$	8,099	$	1,339	$	1,540

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Fair Value Measurements (Schedule Of Financial Assets And Liabilities Measured At Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2011	Aug. 31, 2011	Nov. 30, 2010	Aug. 31, 2010
Cash and cash equivalents	$ 108,731	$ 108,167	$ 80,535	$ 83,418
Derivative assets	282		7
Derivative liabilities	(311)	(634)	(803)
Level 1
Cash and cash equivalents	108,731	108,167	80,535
Level 2
Derivative assets	282		7
Derivative liabilities	$ (311)	$ (634)	$ (803)

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Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 30, 2011	Nov. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 2,921	$ 4,286
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	3,125	2,926
Provision for uncollectible accounts receivable	47	21
Deferred income taxes	(2,596)	(78)
Share-based compensation expense	898	933
Other, net	1,014	(114)
Changes in assets and liabilities:
Receivables	162	4,429
Inventories	(9,565)	(7,134)
Other current assets	(928)	483
Accounts payable	8,775	6,550
Other current liabilities	(6,399)	(8,350)
Current taxes payable	3,553	(812)
Other noncurrent assets and liabilities	5,200	(967)
Net cash provided by operating activities	6,207	2,173
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(2,632)	(1,484)
Proceeds from sale of property, plant and equipment		43
Acquisition of business, net of cash acquired		(1,279)
Proceeds (payment) for settlement of net investment hedge	476	(734)
Net cash used in investing activities	(2,156)	(3,454)
CASH FLOWS FROM FINANCING ACTIVITIES:
Issuance of common stock under share-based compensation plans	(579)	(187)
Principal payments on long-term debt	(1,071)	(1,071)
Excess tax benefits from share-based compensation	135	609
Dividends paid	(1,143)	(1,064)
Net cash used in financing activities	(2,658)	(1,713)
Effect of exchange rate changes on cash	(829)	111
Net increase (decrease) in cash and cash equivalents	564	(2,883)
Cash and cash equivalents, beginning of period	108,167	83,418
Cash and cash equivalents, end of period	$ 108,731	$ 80,535

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Inventories

3 Months Ended

Nov. 30, 2011

Inventories [Abstract]

Inventories

(5) Inventories

Inventories are stated at the lower of cost or market. Cost is determined by the last-in, first-out (LIFO) method for the Company's Lindsay, Nebraska inventory and two warehouses in Idaho and Texas. Cost is determined by the first-in, first-out (FIFO) method for inventory at the Company's Omaha, Nebraska warehouse, and at operating locations in California, Wisconsin, China and Australia. Cost is determined by the weighted average cost method for inventory at the Company's other operating locations in Washington State, France, Brazil, Italy, and South Africa. At all locations, the Company reserves for obsolete, slow moving, and excess inventory by estimating the net realizable value based on the potential future use of such inventory.

		September 30,			September 30,			September 30,
	November 30,			November 30,			August 31,
$ in thousands	2011			2010			2011
Inventory:
FIFO inventory	$	29,604		$	24,356		$	22,614
LIFO reserves		(7,178	)		(6,305	)		(7,178	)
LIFO inventory		22,426			18,051			15,436
Weighted average inventory		21,768			19,098			20,848
Other FIFO inventory		15,692			18,184			15,407
Obsolescence reserve		(2,240	)		(2,186	)		(2,167	)
Total inventories	$	57,646		$	53,147		$	49,524

The estimated percentage distribution between major classes of inventory before reserves is as follows:

		September 30,			September 30,			September 30,
	November 30,			November 30,			August 31,
	2011			2010			2011
Raw materials		17	%		13	%		14	%
Work in process		6	%		7	%		8	%
Finished goods and purchased parts		77	%		80	%		78	%

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Retirement Plan (Tables)

3 Months Ended

Nov. 30, 2011

Retirement Plan [Abstract]

Schedules Of Net Benefit Costs

		September 30,		September 30,
	Three months  ended November 30,
$ in thousands	2011		2010
Net periodic benefit cost:
Interest cost	$	81	$	84
Net amortization and deferral		42		41
Total net periodic benefit cost	$	123	$	125

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Financial Derivatives (Narrative) (Details)	3 Months Ended				12 Months Ended			3 Months Ended
	Nov. 30, 2011 USD ($)		Nov. 30, 2010 USD ($)		Aug. 31, 2011 USD ($)	Nov. 30, 2011 EUR (€)	Aug. 31, 2011 EUR (€)	Nov. 30, 2011 Euro Member Countries, Euro USD ($)	Nov. 30, 2010 Euro Member Countries, Euro USD ($)
Realized and unrealized gains, net of related income tax effects	$ 1,100,000		$ 600,000		$ 500,000
Foreign currency forward contracts (losses)	(4,131,000)	[1]	744,000	[1]				300,000	(400,000)
Accumulated currency translation adjustments in Other Comprehensive Income, after tax gains	1,200,000		1,100,000		900,000
Notional Amount of Foreign Currency Derivative Sale Contracts						€ 17,000,000	€ 10,000,000
Fixed rate, per annum	6.05%

[1] Net of tax expense (benefit) of $139 and ($77) for the three months ended November 30, 2011 and 2010, respectively.

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Comprehensive Income (Loss) (Tables)

3 Months Ended

Nov. 30, 2011

Comprehensive Income (Loss) [Abstract]

Schedule of Comprehensive Income (Loss)

		September 30,			September 30,
	Three months ended
	November 30,
$ in thousands	2011			2010
Comprehensive income (loss):
Net earnings	$	2,921		$	4,286
Other comprehensive income (loss) (1):
Defined benefit pension plan, net of tax		26			25
Unrealized gain on cash flow hedges, net of tax		72			102
Foreign currency translation, net of hedging activities		(4,131	)		744
Total comprehensive income (loss)	$	(1,112	)	$	5,157

⁽¹⁾  Net of tax expense (benefit) of $139 and ($77) for the three months ended November 30, 2011 and 2010, respectively.