| Consolidated Condensed Income Statement [Abstract] | |
| Net sales | 257.3M |
| Cost of sales | 162.55M |
| Gross profit | 94.75M |
| Selling, general and administrative expenses | 43.55M |
| Other expense | 3.32M |
| Income before interest and income taxes ("EBIT") | 47.89M |
| Interest expense (income), net | -14K |
| Income from continuing operations before income taxes | 47.9M |
| Income tax expense | 15.75M |
| Net income from continuing operations including noncontrolling interest | |
| Income from discontinued operations, net of income taxes | |
| Net income including noncontrolling interest | 32.15M |
| Less: Net income attributable to noncontrolling interest | 123K |
| Net income attributable to Robbins & Myers, Inc. | 32.03M |
| Net income per share from continuing operations: | |
| Basic | |
| Diluted | |
| Net income per share: | |
| Basic | 0.76 |
| Diluted | 0.76 |
| Weighted average common shares outstanding: | |
| Basic | 42.19M |
| Diluted | 42.38M |
| Dividends per share: | |
| Declared | 0.05 |
| Paid | 0.05 |