Accounts Payable Current Accounts payable Accounts Receivable Net Current Accounts receivable Accrued Liabilities Current Accrued expenses Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Less accumulated depreciation Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive loss Adjustment For Amortization Amortization Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net income to net cash and cash equivalents provided by operating activities: Allocated Share Based Compensation Expense Stock compensation expenses of stock based awards Allocated Share Based Compensation Expense Net Of Tax Stock compensation expenses of stock based awards after tax Amendment Flag Amendment Flag Amortization Of Intangible Assets Amortization expense Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Anti-dilutive options (excluded from diluted net income per share computations) Assets TOTAL ASSETS Assets [Abstract] ASSETS Assets Current Total Current Assets Assets Current [Abstract] Current Assets: Business Acquisition Acquiree [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition Cash Paid Per Share Award Held Business Acquisition Cash Paid Per Share Award Held Cash received Business Acquisition [Line Items] Business Acquisition [Line Items] Business Acquisition Share Price Cash received for shares of common stock Business Combination Maximum Percentage Of Dissenting Shareholders Business Combination Maximum Percentage Of Dissenting Shareholders Maximum percentage of dissenting shareholders Business Combination Termination Fee Business Combination Termination Fee Termination fee 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 Fair Value Disclosure Cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Increase in Cash and Cash Equivalents Class Of Treasury Stock [Table] Class of Treasury Stock [Table] Commitments And Contingencies Disclosure [Text Block] Contingencies Common Stock Dividends Per Share Cash Paid Paid Common Stock Dividends Per Share Declared Declared Common Stock Value Common stock Comprehensive Income Net Of Tax Comprehensive income attributable to Robbins & Myers, Inc. Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest Less: Comprehensive (income) loss attributable to noncontrolling interest Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest Comprehensive income including non controlling interest Contingencies And Commitments [Line Items] Contingencies And Commitments [Line Items] Contingencies And Commitments [Line Items] Contingencies And Commitments [Table] Contingencies And Commitments [Table] Contingencies And Commitments [Table] Cost Of Goods And Services Sold Cost of sales Current Fiscal Year End Date Current Fiscal Year End Date Customer Relationships [Member] Customer Relationships [Member] Deferred Tax Assets Net Current Deferred taxes Deferred Tax Assets Net Noncurrent Deferred Taxes Deferred Tax Liabilities Noncurrent Deferred Taxes Defined Benefit Plan Amortization Of Prior Service Cost Credit Amortization of prior service (credit) cost Defined Benefit Plan Amortization Of Unrecognized Loss Defined Benefit Plan Amortization Of Unrecognized Loss Amortization of unrecognized losses Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Expected Return On Plan Assets Expected return on plan assets Defined Benefit Plan Interest Cost Interest cost Defined Benefit Plan Net Periodic Benefit Cost Net periodic benefit cost Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments 1 Settlement/curtailment expense Defined Benefit Plans Disclosures Defined Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans [Domain] Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Defined Benefit Plan Service Cost Service cost Depreciation Depreciation Description Of New Accounting Pronouncements Not Yet Adopted New Accounting Pronouncement Disclosure - Agreement and Plan of Merger - Additional Information [Abstract] Disclosure Agreement And Plan Of Merger Additional Information [Abstract] Disclosure - Agreement and Plan of Merger - Additional Information [Abstract] Disclosure - Business Segments - Reportable Business Segments [Abstract] Disclosure Business Segments Reportable Business Segments [Abstract] Disclosure - Business Segments - Reportable Business Segments [Abstract] Disclosure Contingencies Additional Information [Abstract] Disclosure Contingencies Additional Information [Abstract] Disclosure Contingencies Additional Information [Abstract] Disclosure - Fair Value Measurements - Summary of Financial Assets Carried at Fair Value [Abstract] Disclosure Fair Value Measurements Summary Of Financial Assets Carried At Fair Value [Abstract] Disclosure - Fair Value Measurements - Summary of Financial Assets Carried at Fair Value [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 - Amount of Goodwill by Reportable Segment [Abstract] Disclosure Goodwill And Other Intangible Assets Amount Of Goodwill By Reportable Segment [Abstract] Disclosure - Goodwill and Other Intangible Assets - Amount of Goodwill by Reportable Segment [Abstract] Disclosure Goodwill And Other Intangible Assets Schedule Of Other Intangible Assets [Abstract] Disclosure Goodwill And Other Intangible Assets Schedule Of Other Intangible Assets [Abstract] Disclosure Goodwill And Other Intangible Assets Schedule Of Other Intangible Assets [Abstract] Disclosure Income Taxes Additional Information [Abstract] Disclosure Income Taxes Additional Information [Abstract] Disclosure Income Taxes Additional Information [Abstract] Disclosure Long Term Debt Additional Information [Abstract] Disclosure Long Term Debt Additional Information [Abstract] Disclosure Long Term Debt Additional Information [Abstract] Disclosure - Long-Term Debt - Summarized Details of Debt [Abstract] Disclosure Long Term Debt Summarized Details Of Debt [Abstract] Disclosure - Long-Term Debt - Summarized Details of Debt [Abstract] Disclosure - Net Income per Share - Reconciliations Between Basic and Diluted Net Income per Share [Abstract] Disclosure Net Income Per Share Reconciliations Between Basic And Diluted Net Income Per Share [Abstract] Disclosure - Net Income per Share - Reconciliations Between Basic and Diluted Net Income per Share [Abstract] Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Stock Compensation Disclosure - Product Warranties - Changes in Product Liability [Abstract] Disclosure Product Warranties Changes In Product Liability [Abstract] Disclosure - Product Warranties - Changes in Product Liability [Abstract] Disclosure - Retirement Benefits - Pension and Other Post-Retirement Plan Costs [Abstract] Disclosure Retirement Benefits Pension And Other Post Retirement Plan Costs [Abstract] Disclosure - Retirement Benefits - Pension and Other Post-Retirement Plan Costs [Abstract] Disclosure Share Repurchase Program Additional Information [Abstract] Disclosure Share Repurchase Program Additional Information [Abstract] Disclosure Share Repurchase Program Additional Information [Abstract] Disclosure - Stock Compensation - Additional Information [Abstract] Disclosure Stock Compensation Additional Information [Abstract] Disclosure - Stock Compensation - Additional Information [Abstract] Dividends per share: Dividends Per Share [Abstract] Dividends 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 Share [Abstract] Net income per share: Earnings Per Share Basic Basic Basic net income per share Earnings Per Share Diluted Diluted Diluted net income per share Earnings Per Share [Text Block] Net Income per Share Effective Income Tax Rate Continuing Operations Effective tax rate Effect Of Exchange Rate On Cash And Cash Equivalents Exchange Rate Impact on Cash Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Nonvested stock compensation expenses not recognized Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition 1 Period for recognition of compensation cost not yet recognized 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 Equity Class Of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Expenses Related To Pending Merger Expenses Related To Pending Merger Expense related to pending merger Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] 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 Basis [Text Block] Summary of Financial Assets Carried at Fair Value Fair Value By Fair Value Hierarchy Level [Axis] Fair Value, Hierarchy [Axis] Fair Value By Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value Disclosures [Text Block] Fair Value Measurements Fair Value Inputs Level 1 [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] Fair Value Inputs Level 2 [Member] Significant Other Observable Inputs (Level 2) [Member] Fair Value Inputs Level 3 [Member] Significant Unobservable Inputs (Level 3) [Member] Fair Value Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Measurements Recurring [Member] Recurring [Member] Financing cost. Financing Cost [Member] Financing Costs [Member] Finite Lived Intangible Assets Accumulated Amortization Accumulated Amortization Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year Future amortization expense for the remainder of fiscal 2013 Finite Lived Intangible Assets By Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite Lived Intangible Assets Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Future amortization expense each of the next five years. Future Amortization Expense Each Of Next Five Years Future amortization expense each of the next five years Goodwill Goodwill Goodwill And Intangible Assets Disclosure [Text Block] Goodwill and Other Intangible Assets Goodwill And Other Intangible Assets [Line Items] Goodwill And Other Intangible Assets [Line Items] Goodwill And Other Intangible Assets [Line Items] Goodwill And Other Intangible Assets [Table] Goodwill And Other Intangible Assets [Table] Goodwill And Other Intangible Assets [Table] Goodwill Gross Ending Balance Beginning Balance Goodwill Translation And Purchase Accounting Adjustments Translation adjustment impact Gross Profit Gross profit Income Loss From Continuing Operations Attributable To Parent [Abstract] Numerator: 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 [Text Block] Income Taxes Income Tax Expense Benefit Income tax expense Income Tax [Line Items] Income Tax [Line Items] Income Tax [Line Items] Income Tax [Table] Income Tax [Table] Income Tax [Table] Increase Decrease In Accounts Payable Accounts payable Increase Decrease In Accounts Receivable Accounts receivable Increase Decrease In Accrued Liabilities Accrued expenses Increase Decrease In Inventories Inventories Increase Decrease In Operating Capital [Abstract] Changes in operating assets and liabilities: Increase Decrease In Other Operating Capital Net Other Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, before accumulated amortization and impairment charges. Intangible Assets Gross Excluding Goodwill Carrying Amount Intangible Assets Net Excluding Goodwill Net Other Intangible Assets Interest Income Expense Net Interest (income), net Intersegment Elimination [Member] Corporate and Eliminations [Member] Inventory Finished Goods Finished products Inventory Net Total Inventories Inventory Net [Abstract] Inventories: Inventory Raw Materials Raw materials Inventory Work In Process Work in process June Two Thousand And Twelve Program [Member] June Two Thousand And Twelve Program [Member] June 2012 Program [Member] Legal Entity [Axis] Legal Entity [Axis] Letters Of Credit Outstanding Amount Letters of credit outstanding Liabilities And Stockholders Equity TOTAL LIABILITIES AND EQUITY Liabilities And Stockholders Equity [Abstract] LIABILITIES AND EQUITY Liabilities Current Total Current Liabilities Liabilities Current [Abstract] Current Liabilities: Line Of Credit Facility Amount Outstanding Outstanding loan amount Revolving credit loan Line of credit facility maximum additional principal amount commitments. Line Of Credit Facility Maximum Additional Principal Amount Commitments Additional aggregate principal loan credit facility Line Of Credit Facility Maximum Borrowing Capacity Revolving credit loan facility Line of credit facility unused borrowing capacity. Line Of Credit Facility Unused Borrowing Capacity Unused borrowing capacity under the agreement Long Term Debt Total debt Long Term Debt And Other Financing Arrangement [Line Items] Long Term Debt And Other Financing Arrangement [Line Items] Long Term Debt And Other Financing Arrangement [Line Items] Long Term Debt And Other Financing Arrangement [Table] Long Term Debt And Other Financing Arrangement [Table] Long Term Debt And Other Financing Arrangement [Table] Long Term Debt Current Current portion of long-term debt Less current portion Long Term Debt Noncurrent Long-Term Debt-Less Current Portion Long-term debt Long Term Debt [Text Block] Long-Term Debt Loss Contingency Accrual At Carrying Value Accrued amount of joint settlement Maximum [Member] Maximum [Member] Merger Agreement Disclosure Text Block Merger Agreement Disclosure [Text Block] Agreement and Plan of Merger Merger Agreement [Member] Merger Agreement [Member] Merger [Member] Minimum [Member] Minimum [Member] Minority Interest Noncontrolling Interest Net Cash Provided By Used In Financing Activities Net Cash and Cash Equivalents Used by Financing Activities Net Cash Provided By Used In Financing Activities [Abstract] Financing Activities: Net Cash Provided By Used In Investing Activities Net Cash and Cash Equivalents Used by Investing Activities Net Cash Provided By Used In Investing Activities [Abstract] Investing Activities: Net Cash Provided By Used In Operating Activities Net Cash and Cash Equivalents Provided by Operating Activities Net Cash Provided By Used In Operating Activities [Abstract] Operating Activities: Net Income Loss Net income attributable to Robbins & Myers, Inc. Net income attributable to Robbins & Myers, Inc. Net Income Loss Attributable To Noncontrolling Interest Less: Net income attributable to noncontrolling interest Noncompete Agreements [Member] Non-compete Agreements [Member] Notice Period Notice Period Notice period of merger October Two Thousand And Eight Program [Member] October Two Thousand And Eight Program [Member] October 2008 Program [Member] Operating Income Loss Income Before Interest and Income Taxes ("EBIT") Income before interest and income taxes ("EBIT") Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Preparation of Financial Statements Other Assets Noncurrent Other Assets Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax Foreign currency translation adjustment Other Comprehensive Income Loss Net Of Tax Total other comprehensive income (loss), net of tax Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] Other comprehensive income (loss), net of tax: Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax Pension and post-retirement plans liability adjustment Other Credit Derivatives [Member] Other[Member] Other Expenses Other expense Other Liabilities Noncurrent Other Long-Term Liabilities Other Long Term Debt Other Other Postretirement Benefit Plans Defined Benefit [Member] Other Post-retirement Benefits [Member] Patents trademarks and trade names. Patents Trademarks And Trade Names [Member] Patents, Trademarks and Trade names [Member] Payments For Proceeds From Productive Assets Capital expenditures, net of nominal disposals Payments For Repurchase Of Common Stock Amount paid for repurchase of shares Share repurchase program Payments Of Dividends Common Stock Cash dividends paid Pension And Other Postretirement Benefits Disclosure [Text Block] Retirement Benefits Pension Plans Defined Benefit [Member] Pension Benefits [Member] Per Share Closing Price Of The Company's Stock On The NewYork Stock Exchange On Date Of The Merger Agreement. Per Share Closing Price Of Company Stock On Stock Exchange On Date Of Merger Agreement Common stock closing price Prepaid Expense And Other Assets Current Other current assets Proceeds From Issuance Of Debt Proceeds from debt borrowings Proceeds From Repurchase Of Equity Common stock activity, net Process and flow control. Process And Flow Control [Member] Process & Flow Control [Member] Product Information [Line Items] Product Information [Line Items] Product Warranty Accrual Balance at end of the period Balance at beginning of the period Product Warranty Accrual Currency Translation Increase Decrease Translation adjustment impact Product Warranty Accrual Payments Deductions / payments Product Warranty Accrual Warranties Issued Warranty expense Product Warranty Disclosure [Text Block] Product Warranties Profit Loss Net income including noncontrolling interest Net income including noncontrolling interest Property Plant And Equipment Gross Property, Plant and Equipment Property Plant And Equipment Net Total Property, Plant and Equipment Range [Axis] Range [Axis] Range [Member] Range [Domain] Repayments Of Debt Repayments of debt borrowings Retained Earnings Accumulated Deficit Retained earnings Sales Revenue Net Net sales Schedule Of Business Acquisitions By Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Schedule Of Debt Instruments [Text Block] Summarized Details of Debt Schedule Of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Schedule Of Earnings Per Share Reconciliation Table [Text Block] Reconciliations Between Basic and Diluted Net Income per Share Tabular disclosure of finite lived intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization, and indefinite lived intangibles assets (excluding goodwill) by major class. Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class Table [Text Block] Schedule of Other Intangible Assets Schedule Of Goodwill [Text Block] Amount of Goodwill by Reportable Segment Schedule Of Net Benefit Costs Table [Text Block] Pension and Other Post-Retirement Plan Costs Schedule Of Product Information [Table] Schedule of Product Information [Table] Schedule Of Product Warranty Liability Table [Text Block] Changes in Product Liability Schedule Of Segment Reporting Information By Segment [Text Block] Reportable Business Segments Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Segment [Domain] Segment [Domain] Segment Reporting Disclosure [Text Block] Business Segments Segment Reporting Information Income Loss Before Income Taxes [Abstract] Income Before Interest and Income Taxes ("EBIT"): Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Segment Reporting Information [Table] Segment Reporting Information [Table] Segment Reporting Information [Table] Segment reporting information unaffiliated customer sales. Segment Reporting Information Unaffiliated Customer Sales [Abstract] Unaffiliated Customer Sales: Selling General And Administrative Expense Selling, general and administrative expenses Share Based Compensation Stock compensation expense Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period 1 Period of stock options outstanding grants exercisable Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Statement Business Segments [Axis] Business Segments [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 [Table] Statement [Table] Stockholders Equity Total Robbins & Myers, Inc. Shareholders' Equity Stockholders Equity [Abstract] Robbins & Myers, Inc. Shareholders' Equity: Stockholders Equity Including Portion Attributable To Noncontrolling Interest Total Equity Stock Issued During Period Shares Stock Options Exercised Number of stock options exercised Number of shares that have been repurchased during the period and have not been retired and are held in treasury. Stock Repurchased During Period Shares Held In Treasury Number of shares acquired in the repurchase program Stock Repurchase Program Number Of Shares Authorized To Be Repurchased Common shares repurchased, shares Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased Remaining shares authorized to repurchase T-3 Energy services. T 3 Energy Services [Member] Energy Services [Member] Technology [Member] Technology [Member] Technology [Member] Text Block [Abstract] Text Block [Abstract] Trading Symbol Trading Symbol Treasury Stock Acquired Average Cost Per Share Common shares repurchased, average price Treasury Stock [Text Block] Share Repurchase Program Treasury Stock Value Acquired Cost Method Common shares repurchased, amount Unrecognized Tax Benefits Income Tax Penalties And Interest Expense Unrecognized tax benefits, including interest and penalties Weighted Average Number Diluted Shares Outstanding Adjustment Effect of dilutive options and restricted shares/units Weighted Average Number Of Diluted Shares Outstanding Diluted Diluted weighted average shares Weighted Average Number Of Shares Outstanding [Abstract] Weighted average common shares outstanding: Weighted Average Number Of Shares Outstanding Basic Basic Basic weighted average shares Weighted Average Number Of Shares Outstanding Diluted Disclosure Items [Abstract] Denominator: