Accounts Payable Current Accounts payable Accounts Receivable Net Current Trade accounts receivable, less allowance for doubtful accounts of $584 and $391 at November 30, 2012 and August 31, 2012, respectively Accounts Receivable Related Parties Current Accounts receivable from tractor supply Accrual For Taxes Other Than Income Taxes Current Accrued other taxes Accrued Bonuses Current Accrued bonuses Accrued Employee Benefits Current Accrued profit sharing Accrued Income Taxes Current Income taxes payable Accrued Income Taxes Noncurrent Other income taxes payable Accrued Liabilities And Other Non Current Liabilities [Line Items] Accrued Liabilities And Other Non Current Liabilities [Line Items] Accrued Liabilities And Other Non Current Liabilities [Line Items] Accrued Liabilities And Other Non Current Liabilities [Table] Accrued Liabilities And Other Non Current Liabilities [Table] Accrued Liabilities And Other Non Current Liabilities [Table] Accrued Liabilities Current Accrued liabilities Total Accrued Marketing Costs Current Accrued advertising and sales promotion expenses Accrued Payroll Taxes Current Accrued payroll taxes Accrued Professional Fees Current Accrued professional services fees Accrued Salaries Current Accrued payroll Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Less: accumulated depreciation and amortization Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive loss Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Loss [Member] Additional Paid In Capital Common Stock Additional paid-in capital Additional Paid In Capital [Member] Additional Paid-In Capital [Member] Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Stock-based compensation Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustment To Additional Paid In Capital Income Tax Effect From Share Based Compensation Net Tax benefits from settlements of stock-based equity awards Allowance For Doubtful Accounts Receivable Current Trade accounts receivable, allowance for doubtful accounts Amendment Flag Amendment Flag Americas [Member] Americas [Member] Americas [Member] Amortization Of Intangible Assets Amortization of definite-lived intangible assets Amortization expense Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Anti-dilutive stock options outstanding Asia-Pacific. Asia Pacific [Member] Asia-Pacific [Member] Assets Total assets Total assets Assets [Abstract] Assets Assets Current Total current assets Assets Fair Value Disclosure [Abstract] Assets: Assets Fair Value Disclosure Recurring Total assets Basis Of Presentation And Significant Accounting Policies [Text Block] Basis of Presentation and Summary of Significant Accounting Policies Buildings And Improvements Gross Buildings and improvements Callable Time Deposits [Member] Callable Time Deposits [Member] Callable time deposits [Member] Capitalized Computer Software Gross Software Cash And Cash Equivalents At Carrying Value Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Net (decrease) increase in cash and cash equivalents Commitments And Contingencies Disclosure [Text Block] Commitments and Contingencies Common Stock Dividends Per Share Cash Paid Cash dividends, per share Common Stock Dividends Per Share Declared Cash dividend declared Dividends declared per common share Common Stock [Member] Common Stock [Member] Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common Stock Shares Outstanding Common stock, shares outstanding Common Stock Value Common stock - authorized 36,000,000 shares, $0.001 par value; 19,278,504 and 19,208,845 shares issued at November 30, 2012 and August 31, 2012, respectively; and 15,595,924 and 15,697,534 shares outstanding at November 30, 2012 and August 31, 2012, respectively Comprehensive Income Net Of Tax Total comprehensive income Computer And Office Equipment Computer And Office Equipment Computer and office equipment Consolidated earnings before interest, income taxes, depreciation and amortization. Consolidated Earnings Before Interest Income Taxes Depreciation And Amortization Consolidated earnings before interest, income taxes, depreciation and amortization Consolidation Policy [Text Block] Basis of Consolidation Corporate expenses. Corporate Expenses Corporate expenses Cost Of Goods Sold Cost of products sold Current Fiscal Year End Date Current Fiscal Year End Date Debt Current Revolving credit facility Debt Disclosure [Text Block] Debt Debt Instrument Basis Spread On Variable Rate LIBOR margin rate Debt Instrument Extended Maturity Period Debt Instrument Extended Maturity Period Revolving credit facility, extended maturity period Debt Instrument Maturity Date Revolving credit facility, maturity date Deferred Income Tax Expense Benefit Deferred income taxes Deferred Tax Assets Net Current Current deferred tax assets, net Deferred Tax Liabilities Noncurrent Long-term deferred tax liabilities, net Depreciation Depletion And Amortization Depreciation and amortization Depreciation and amortization expense Disclosure - Accrued and Other Liabilities - Schedule of Accrued Liabilities [Abstract] Disclosure Accrued And Other Liabilities Schedule Of Accrued Liabilities [Abstract] Disclosure - Accrued and Other Liabilities - Schedule of Accrued Liabilities [Abstract] Disclosure - Accrued and Other Liabilities - Schedule of Accrued Payroll and Related Expenses [Abstract] Disclosure Accrued And Other Liabilities Schedule Of Accrued Payroll And Related Expenses [Abstract] Disclosure - Accrued and Other Liabilities - Schedule of Accrued Payroll and Related Expenses [Abstract] Disclosure - Accrued and Other Liabilities - Schedule of Deferred and Other Long-Term Liabilities [Abstract] Disclosure Accrued And Other Liabilities Schedule Of Deferred And Other Long Term Liabilities [Abstract] Disclosure - Accrued and Other Liabilities - Schedule of Deferred and Other Long-Term Liabilities [Abstract] Disclosure Basis Of Presentation And Summary Of Significant Accounting Policies Additional Information [Abstract] Disclosure Basis Of Presentation And Summary Of Significant Accounting Policies Additional Information [Abstract] Disclosure Basis Of Presentation And Summary Of Significant Accounting Policies Additional Information [Abstract] Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Net Realized Gains Related to Foreign Currency Forward Contracts [Abstract] Disclosure Basis Of Presentation And Summary Of Significant Accounting Policies Schedule Of Net Realized Gains Related To Foreign Currency Forward Contracts [Abstract] Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Net Realized Gains Related to Foreign Currency Forward Contracts [Abstract] Disclosure - Business Segments and Foreign Operations - Schedule of Net Sales by Product Line [Abstract] Disclosure Business Segments And Foreign Operations Schedule Of Net Sales By Product Line [Abstract] Disclosure - Business Segments and Foreign Operations - Schedule of Net Sales by Product Line [Abstract] Disclosure - Business Segments and Foreign Operations - Summarized Information About Reportable Segments [Abstract] Disclosure Business Segments And Foreign Operations Summarized Information About Reportable Segments [Abstract] Disclosure - Business Segments and Foreign Operations - Summarized Information About Reportable Segments [Abstract] Disclosure Commitments And Contingencies Additional Information [Abstract] Disclosure Commitments And Contingencies Additional Information [Abstract] Disclosure Commitments And Contingencies Additional Information [Abstract] Disclosure Debt Additional Information [Abstract] Disclosure Debt Additional Information [Abstract] Disclosure Debt Additional Information [Abstract] Disclosure Earnings Per Common Share Additional Information [Abstract] Disclosure Earnings Per Common Share Additional Information [Abstract] Disclosure Earnings Per Common Share Additional Information [Abstract] Disclosure - Earnings per Common Share - Schedule of Reconciliation of Net Income to Net Income Available to Common Shareholders [Abstract] Disclosure Earnings Per Common Share Schedule Of Reconciliation Of Net Income To Net Income Available To Common Shareholders [Abstract] Disclosure - Earnings per Common Share - Schedule of Reconciliation of Net Income to Net Income Available to Common Shareholders [Abstract] Disclosure - Earnings per Common Share - Summary of Weighted-Average Number of Common Shares Outstanding Included in Calculation of Basic and Diluted EPS [Abstract] Disclosure Earnings Per Common Share Summary Of Weighted Average Number Of Common Shares Outstanding Included In Calculation Of Basic And Diluted E P S [Abstract] Disclosure - Earnings per Common Share - Summary of Weighted-Average Number of Common Shares Outstanding Included in Calculation of Basic and Diluted EPS [Abstract] Disclosure Fair Value Measurements Additional Information [Abstract] Disclosure Fair Value Measurements Additional Information [Abstract] Disclosure Fair Value Measurements Additional Information [Abstract] Disclosure - Fair Value Measurements - Schedule of Financial Assets Measured at Fair Value on Recurring Basis [Abstract] Disclosure Fair Value Measurements Schedule Of Financial Assets Measured At Fair Value On Recurring Basis [Abstract] Disclosure - Fair Value Measurements - Schedule of Financial Assets Measured at Fair Value on Recurring Basis [Abstract] Disclosure Goodwill And Other Intangible Assets Additional Information [Abstract] Disclosure Goodwill And Other Intangible Assets Additional Information [Abstract] Disclosure Goodwill And Other Intangible Assets Additional Information [Abstract] Disclosure Goodwill And Other Intangible Assets Schedule Of Future Estimated Amortization Expense [Abstract] Disclosure Goodwill And Other Intangible Assets Schedule Of Future Estimated Amortization Expense [Abstract] Disclosure Goodwill And Other Intangible Assets Schedule Of Future Estimated Amortization Expense [Abstract] Disclosure Goodwill And Other Intangible Assets Summary Of Changes In Carrying Amount Of Goodwill [Abstract] Disclosure Goodwill And Other Intangible Assets Summary Of Changes In Carrying Amount Of Goodwill [Abstract] Disclosure Goodwill And Other Intangible Assets Summary Of Changes In Carrying Amount Of Goodwill [Abstract] Disclosure - Goodwill and Other Intangible Assets - Summary of Changes in Carrying Amounts of Definite-Lived Intangible Assets by Segment [Abstract] Disclosure Goodwill And Other Intangible Assets Summary Of Changes In Carrying Amounts Of Definite Lived Intangible Assets By Segment [Abstract] Disclosure - Goodwill and Other Intangible Assets - Summary of Changes in Carrying Amounts of Definite-Lived Intangible Assets by Segment [Abstract] Disclosure - Goodwill and Other Intangible Assets - Summary of Definite-Lived Intangible Assets [Abstract] Disclosure Goodwill And Other Intangible Assets Summary Of Definite Lived Intangible Assets [Abstract] Disclosure - Goodwill and Other Intangible Assets - Summary of Definite-Lived Intangible Assets [Abstract] Disclosure Income Taxes Additional Information [Abstract] Disclosure Income Taxes Additional Information [Abstract] Disclosure Income Taxes Additional Information [Abstract] Disclosure Inventories Schedule Of Inventories [Abstract] Disclosure Inventories Schedule Of Inventories [Abstract] Disclosure Inventories Schedule Of Inventories [Abstract] Disclosure - Property and Equipment - Schedule of Property and Equipment, Net [Abstract] Disclosure Property And Equipment Schedule Of Property And Equipment Net [Abstract] Disclosure - Property and Equipment - Schedule of Property and Equipment, Net [Abstract] Disclosure Related Parties Additional Information [Abstract] Disclosure Related Parties Additional Information [Abstract] Disclosure Related Parties Additional Information [Abstract] Disclosure - Share Repurchase Plan - Additional Information [Abstract] Disclosure Share Repurchase Plan Additional Information [Abstract] Disclosure - Share Repurchase Plan - Additional Information [Abstract] Disclosure Subsequent Events Additional Information [Abstract] Disclosure Subsequent Events Additional Information [Abstract] Disclosure Subsequent Events Additional Information [Abstract] Dividends Common Stock Cash Cash dividends ($0.29 per share) Document Documentand Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Information [Table] Document Information [Table] Document Period End Date Document Period End Date Document Type Document Type Earnings Per Common Share [Line Items] Earnings Per Common Share [Line Items] Earnings Per Common Share [Line Items] Earnings Per Common Share [Table] Earnings Per Common Share [Table] Earnings Per Common Share [Table] Earnings Per Share [Abstract] Earnings per common share: Earnings Per Share Basic Basic Earnings Per Share Diluted Diluted Earnings Per Share Policy [Text Block] Earnings per Common Share Earnings Per Share [Text Block] Earnings per Common Share Effective Income Tax Rate Continuing Operations Provision for income taxes Effect Of Exchange Rate On Cash And Cash Equivalents Effect of exchange rate changes on cash and cash equivalents Employee Related Liabilities Current Accrued payroll and related expenses Total Entity Central Index Key Entity Central Index Key Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity [Domain] Entity [Domain] Entity Filer Category Entity Filer Category Entity Information [Line Items] Entity Information [Line Items] Entity Registrant Name Entity Registrant Name Entity Wide Information Revenue From External Customer [Line Items] Revenue from External Customer [Line Items] Equity Component [Domain] Equity Component [Domain] Europe [Member] Europe [Member] Europe [Member] Excess Tax Benefit From Share Based Compensation Financing Activities Excess tax benefits from settlements of stock-based equity awards Excess Tax Benefit From Share Based Compensation Operating Activities Excess tax benefits from settlements of stock-based equity awards Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Assets Measured On Recurring And Nonrecurring Basis Table [Text Block] Schedule of Financial Assets Measured at Fair Value on Recurring Basis Fair Value Assets Measured On Recurring Basis [Line Items] Fair Value Assets Measured On Recurring Basis [Line Items] Fair Value Assets Measured On Recurring Basis [Line Items] Fair Value By Fair Value Hierarchy Level [Axis] Fair Value, Hierarchy [Axis] Fair Value Inputs Level 1 [Member] Level 1 [Member] Fair Value Inputs Level 2 [Member] Level 2 [Member] Fair Value Inputs Level 3 [Member] Level 3 [Member] Fair Value Measurement Inputs Disclosure [Text Block] Fair Value Measurements Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair value measurements transfers between level one and level two. Fair Value Measurements Transfers Between Level One And Level Two Fair value measurement transfer Finite Lived Intangible Assets Accumulated Amortization Accumulated amortization Finite Lived Intangible Assets Amortization Expense After Year Five Thereafter Finite Lived Intangible Assets Amortization Expense Next Twelve Months Remainder of fiscal year 2013 Finite Lived Intangible Assets Amortization Expense Year Five Fiscal year 2017 Finite Lived Intangible Assets Amortization Expense Year Four Fiscal year 2016 Finite Lived Intangible Assets Amortization Expense Year Three Fiscal year 2015 Finite Lived Intangible Assets Amortization Expense Year Two Fiscal year 2014 Finite Lived Intangible Assets By Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite Lived Intangible Assets Gross Gross carrying amount Finite Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Finite Lived Intangible Assets Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite Lived Intangible Assets Net Ending balance Beginning balance Net carrying amount The increase (decrease) to the recorded value of finite lived intangible assets for foreign currency translation adjustments. Finite Lived Intangible Asset Translation Adjustments Translation adjustments Foreign Currency Transaction Gain Loss Realized Realized gains, net Foreign Currency Transaction Gain Loss Unrealized Unrealized foreign currency exchange (gains) losses, net Foreign Currency Transactions And Translations Policy [Text Block] Foreign Currency Forward Contracts Foreign Currency Translation [Line Items] Foreign Currency Translation [Line Items] Foreign Currency Translation [Line Items] Foreign Currency Translation [Table] Foreign Currency Translation [Table] Foreign Currency Translation [Table] Furniture And Fixtures Gross Furniture and fixtures Gain Loss On Sale Of Property Plant Equipment Net (gains) losses on sales and disposals of property and equipment Goodwill Balance, ending Balance, beginning Goodwill Goodwill And Intangible Assets Disclosure [Text Block] Goodwill and Other Intangible Assets Goodwill Impairment Loss Impairment of goodwill Goodwill [Line Items] Goodwill [Line Items] Goodwill Translation Adjustments Translation adjustments Gross Profit Gross profit Guarantees And Indemnifications [Table] Guarantees And Indemnifications [Table] Guarantees And Indemnifications [Table] Homecare And Cleaning Products. Homecare And Cleaning Products [Member] Homecare and cleaning products [Member] Impairment Or Disposal Of Long Lived Assets Policy [Text Block] Long-lived Assets Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments Income before income taxes Income Statement [Abstract] Income Statement [Abstract] Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Income Tax Disclosure [Text Block] Income Taxes Income Taxes Disclosure [Table] Income Taxes Disclosure [Table] Income Taxes Disclosure [Table] Income Tax Expense Benefit Provision for income taxes Income Tax Policy [Text Block] Income Taxes Increase Decrease In Accounts Payable And Accrued Liabilities Accounts payable and accrued liabilities Increase Decrease In Accounts Receivable Trade accounts receivable Increase Decrease In Accrued Income Taxes Payable Income taxes payable Increase Decrease In Employee Related Liabilities Accrued payroll and related expenses Increase Decrease In Inventories Inventories Increase Decrease In Operating Capital [Abstract] Changes in assets and liabilities: Increase Decrease In Other Noncurrent Liabilities Deferred and other long-term liabilities Increase Decrease In Other Operating Assets Other assets Intangible Assets Net Excluding Goodwill Other intangible assets, net The increase (decrease) to the recorded value of finite lived intangible assets for foreign currency translation adjustments. Intangible Assets Translation Adjustments Translation adjustments Interest Expense Interest expense Interest expense Inventory Disclosure [Text Block] Inventories Inventory Finished Goods Finished goods Inventory Net Inventories Total Raw material and components held at outsourced contract manufacturers. The amounts receivable from the contract manufacturers as of the balance sheet date related to transfers of these raw materials and components by the Company to its contract manufacturers. Inventory Product Held At Contract Manufacturers Product held at third-party contract manufacturers Inventory Raw Materials And Supplies Raw materials and components Inventory Work In Process Work-in-process Investment Income Interest Interest income Investment Type [Axis] Investment Type [Axis] Investment Type Categorization [Member] Investment Type Categorization [Domain] Land Land Legal Entity [Axis] Legal Entity [Axis] Letter Of Credit Fee Percentage Letter Of Credit Fee Percentage Letter of credit fee, percentage Letters Of Credit Outstanding Amount Loans and letters of credit, outstanding amount Liabilities Total liabilities Liabilities And Stockholders Equity Total liabilities and shareholders' equity Liabilities And Stockholders Equity [Abstract] Liabilities and Shareholders' Equity Liabilities Current Total current liabilities Liabilities related to indemnification agreement. Liabilities Related To Indemnification Agreement Liabilities Line Of Credit Facility Amount Outstanding Revolving credit facility, amount outstanding Line Of Credit Facility Borrowings Increase Line Of Credit Facility Borrowings Increase Revolving credit facility, borrowed Line Of Credit Facility Commitment Fee Description Line of credit facilty, commitment fee description Line Of Credit Facility Commitment Fee Percentage Commitment fee annual rate Line Of Credit Facility Decrease Repayments Revolving credit facility, amount repaid Line Of Credit Facility Expiration Date 1 Revolving credit facility, expiration date Line Of Credit Facility Interest Rate Description Line of credit facilty, interest rate description Line of credit facility, maturity period. Line Of Credit Facility Maturity Period Revolving credit facility, maturity period Line Of Credit Facility Maximum Borrowing Capacity Credit facility, maximum current revolving commitment Revolving credit facility, amount Line Of Credit Facility Unused Capacity Commitment Fee Percentage Commitment fee, annual rate applied to amount not borrowed Litigation And Other Contingencies [Line Items] Litigation And Other Contingencies [Line Items] Litigation And Other Contingencies [Line Items] Long Lived Assets Held For Sale Gain Loss On Sale Pre-tax loss on sale of property Long Lived Assets Held For Sale Proceeds From Sale Sales price of property sold to third party Loss Contingency Damages Sought Value Alleged economic losses Machinery And Equipment Gross Machinery, equipment and vehicles Marketing And Advertising Expense Advertising and sales promotion Maximum [Member] Maximum [Member] Minimum [Member] Minimum [Member] Money Market Funds [Member] Money market funds [Member] Multi-Purpose Maintenance Products. Multi Purpose Maintenance Products [Member] Multi-purpose maintenance products [Member] Nature Of Operations The Company Net Cash Provided By Used In Financing Activities Net cash used in financing activities Net Cash Provided By Used In Financing Activities [Abstract] Financing activities: Net Cash Provided By Used In Investing Activities Net cash (used in) provided by investing activities Net Cash Provided By Used In Investing Activities [Abstract] Investing activities: Net Cash Provided By Used In Operating Activities Net cash provided by operating activities Net Cash Provided By Used In Operating Activities [Abstract] Operating activities: The portion of net income for the reporting period allocated to participating securities other than common shares for the purpose of computing earnings per common share using the two-class method. Net income allocated to participating securities for the period includes dividend equivalents paid to holders of participating securities plus a proportionate share of undistributed net income allocable to participating securities for the period. Net Income Allocated To Participating Securities Less: Net income allocated to participating securities Net Income Loss Net income Net income Net Income Loss Available To Common Stockholders Basic Net income available to common shareholders New Accounting Pronouncements Policy Policy [Text Block] Recently Adopted Accounting Standards Notional Amount Of Foreign Currency Derivative Purchase Contracts Foreign currency forward contracts outstanding Operating Expenses Total operating expenses Operating Expenses [Abstract] Operating expenses: Operating Income Loss Income from operations Income from operations Other Accrued Liabilities Current Other Other Accrued Liabilities Noncurrent Other Other Assets Current Other current assets Other Assets Noncurrent Other assets Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax Foreign currency translation adjustment Foreign currency translation adjustment, net of tax benefit of $1 Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax Foreign currency translation adjustment, tax (benefit) Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent [Abstract] Other comprehensive income (loss), net of tax: Other Employee Related Liabilities Current Other Other Employee Related Liabilities Current And Noncurrent Supplemental employee retirement plan benefits liability Other Liabilities Disclosure [Text Block] Accrued and Other Liabilities Other Liabilities Noncurrent Deferred and other long-term liabilities Total Other Long Term Liabilities [Line Items] Other Long Term Liabilities [Line Items] Other Long Term Liabilities [Line Items] Other Long Term Liabilities [Table] Other Long Term Liabilities [Table] Other Long Term Liabilities [Table] Other Nonoperating Income Expense Other income (expense), net Other Nonoperating Income Expense [Abstract] Other income (expense): Outstanding loans and letters of credit maximum amount. Outstanding Loans And Letters Of Credit Maximum Amount Outstanding loans and letters of credit maximum amount Payments For Repurchase Of Common Stock Total cost of repurchased shares Treasury stock purchases Payments Of Dividends Dividends paid Payments To Acquire Property Plant And Equipment Purchases of property and equipment Payments To Acquire Short Term Investments Purchases of short-term investments Percentage Increase In Quarterly Cash Dividend Rate Percentage Increase In Quarterly Cash Dividend Rate Percentage of increase in regular quarterly cash dividend Proceeds From Issuance Of Common Stock Proceeds from issuance of common stock Proceeds From Lines Of Credit Proceeds from revolving credit facility Proceeds From Sale Of Property Plant And Equipment Proceeds from sales of property and equipment Product Rights [Line Items] Product Rights [Line Items] Product Rights [Line Items] Property Plant And Equipment Disclosure [Text Block] Property and Equipment Property Plant And Equipment Gross Subtotal Property Plant And Equipment [Line Items] Property, Plant and Equipment [Line Items] Property Plant And Equipment Net Property and equipment, net Total Property Plant And Equipment [Text Block] Schedule of Property and Equipment, Net Provision For Doubtful Accounts Provision for bad debts Purchase commitments amount outstanding. Purchase Commitments Amount Outstanding Commitment outstanding Range [Axis] Range [Axis] Range [Member] Range [Domain] Recently issued accounting standards. Recently Issued Accounting Standards Policy [Text Block] Recently Issued Accounting Standards Related Party Transaction [Line Items] Related Party Transaction [Line Items] Related Party Transactions Disclosure [Text Block] Related Parties Repayments Of Lines Of Credit Repayments of revolving credit facility Repayments Of Long Term Debt Repayments of long-term debt Retained Earnings Accumulated Deficit Retained earnings Retained Earnings [Member] Retained Earnings [Member] Revenue From Related Parties Sales to tractor supply Sales And Excise Tax Payable Current Accrued sales taxes Sales Revenue Net Net sales Schedule Of Accrued Liabilities [Line Items] Schedule Of Accrued Liabilities [Line Items] Schedule Of Accrued Liabilities [Line Items] Schedule Of Accrued Liabilities [Table] Schedule Of Accrued Liabilities [Table] Schedule Of Accrued Liabilities [Table] Schedule Of Accrued Liabilities Table [Text Block] Schedule of Accrued Liabilities Schedule of accrued payroll and related expenses. Schedule Of Accrued Payroll And Related Expenses Table [Text Block] Schedule of Accrued Payroll and Related Expenses Schedule Of Acquired Finite Lived Intangible Assets By Major Class [Text Block] Summary of Changes in Carrying Amounts of Definite-Lived Intangible Assets by Segment Schedule Of Debt [Line Items] Schedule Of Debt [Line Items] Schedule Of Debt [Line Items] Schedule Of Debt [Table] Schedule Of Debt [Table] Schedule Of Debt [Table] Schedule of deferred and other long-term liabilities. Schedule Of Deferred And Other Long Term Liabilities Table [Text Block] Schedule of Deferred and Other Long-Term Liabilities Schedule Of Earnings Per Share Basic By Common Class [Text Block] Schedule of Reconciliation of Net Income to Net Income Available to Common Shareholders Schedule Of Entity Wide Information Revenue From External Customers By Products And Services [Table] Revenue from External Customers by Products and Services [Table] Schedule Of Entity Wide Information Revenue From External Customers By Products And Services [Text Block] Schedule of Net Sales by Product Line Scheduleof Finite Lived Intangible Assets Future Amortization Expense Table [Text Block] Schedule of Future Estimated Amortization Expense Schedule Of Finite Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Schedule Of Finite Lived Intangible Assets Table [Text Block] Summary of Definite-Lived Intangible Assets Schedule Of Foreign Currency Forward Contract Before Tax Effect Designated As Cash Flow Hedges [Table Text Block] Schedule Of Foreign Currency Forward Contract Before Tax Effect Designated As Cash Flow Hedges Table [Text Block] Schedule of Net Realized Gains Related to Foreign Currency Forward Contracts Schedule Of Goodwill [Table] Schedule of Goodwill [Table] Schedule Of Goodwill [Text Block] Summary of Changes in Carrying Amount of Goodwill Schedule Of Inventory Current Table [Text Block] Schedule of Inventories Schedule Of Inventory [Line Items] Schedule Of Inventory [Line Items] Schedule Of Inventory [Line Items] Schedule Of Inventory [Table] Schedule Of Inventory [Table] Schedule Of Inventory [Table] Schedule Of Property Plant And Equipment [Table] Schedule of Property, Plant and Equipment [Table] Schedule Of Related Party Transactions By Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Schedule Of Segment Reporting Information By Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Schedule Of Segment Reporting Information By Segment [Text Block] Summarized Information About Reportable Segments Schedule Of Share Repurchase Programs [Line Items] Schedule Of Share Repurchase Programs [Line Items] Schedule Of Share Repurchase Programs [Line Items] Schedule Of Share Repurchase Programs [Table] Schedule Of Share Repurchase Programs [Table] Schedule Of Share Repurchase Programs [Table] Schedule Of Weighted Average Number Of Shares Table [Text Block] Summary of Weighted-Average Number of Common Shares Outstanding Included in Calculation of Basic and Diluted EPS Segment [Domain] Segment [Domain] Segment Geographical [Domain] Segment, Geographical [Domain] Segment Reporting Disclosure [Text Block] Business Segments and Foreign Operations Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Selling General And Administrative Expense Selling, general and administrative Share Based Compensation Stock-based compensation Disclosures related to the Company's share repurchase program, including, but not necessarily limited to, the history and details of the program, such as the approved amount by the Board of Directors, the period of time the program is anticipated to cover, the share amounts repurchased in the time periods covered by the financial statements, and current status of the program. Share Repurchase Plan [Text Block] Share Repurchase Plan Shares Issued Ending balance, shares Beginning balance, shares Short Term Investments Short-term investments Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Estimated Range Of Change Upper Bound Unrecognized tax benefits affected by the resolution of tax examinations or expiring statutes of limitation Significant purchase commitment amount committed Significant Purchase Commitment Amount Committed Significant purchase commitment amount committed Statement Business Segments [Axis] Business Segments [Axis] Statement Equity Components [Axis] Equity Components [Axis] Statement Geographical [Axis] Geographical [Axis] Statement [Line Items] Statement [Line Items] Statement Of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Statement Of Financial Position [Abstract] Statement of Financial Position [Abstract] Statement Of Income And Comprehensive Income [Abstract] Statement of Other Comprehensive Income [Abstract] Statement Of Stockholders Equity [Abstract] Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Stockholders Equity Ending balance Beginning balance Total shareholders' equity Stockholders Equity Including Portion Attributable To Noncontrolling Interest [Abstract] Shareholders' equity: Stock Issued During Period Shares Share Based Compensation Issuance of common stock upon settlements of stock-based equity awards, shares Stock Issued During Period Value Share Based Compensation Issuance of common stock upon settlements of stock-based equity awards Stock Repurchased During Period Shares Share buy-back plan, number of shares repurchased Stock Repurchase Program Authorized Amount Share buy-back, amount authorized Subsequent Event [Member] Subsequent Events [Member] Subsequent Events [Line Items] Subsequent Events [Line Items] Subsequent Events [Line Items] Subsequent Events [Table] Subsequent Events [Table] Subsequent Events [Table] Subsequent Events [Text Block] Subsequent Events Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Term Deposits Term Deposits [Member] Term deposits [Member] Text Block [Abstract] Text Block [Abstract] Trade Names [Member] Trade Names [Member] Trading Symbol Trading Symbol Treasury Stock [Member] Treasury Stock [Member] Treasury Stock Shares Treasury stock, shares Treasury Stock Shares Acquired Acquisition of treasury stock, shares Treasury Stock Value Common stock held in treasury, at cost - 3,682,580 and 3,511,311 shares at November 30, 2012 and August 31, 2012, respectively Treasury Stock Value Acquired Cost Method Acquisition of treasury stock Unrecognized Tax Benefits Unrecognized tax benefits Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued Accrued interest and penalties related to uncertain tax positions Unrecognized Tax Benefits Income Tax Penalties And Interest Expense Material interest or penalties included in income tax expense Unrecognized Tax Benefits That Would Impact Effective Tax Rate Unrecognized tax benefits that would impact the effective tax rate Use Of Estimates Use of Estimates Weighted Average Number Diluted Shares Outstanding Adjustment Weighted-average dilutive securities Weighted Average Number Of Diluted Shares Outstanding Diluted Weighted-average common shares outstanding, diluted Weighted Average Number Of Shares Outstanding [Abstract] Shares used in per share calculations: Weighted Average Number Of Shares Outstanding Basic Basic Weighted-average common shares outstanding, basic