| Consolidated Statement of Income [Abstract] | |
| Net sales | 567.41M |
| Other revenue | |
| Total revenue | 574.98M |
| Material, labor and other production costs | 233.07M |
| Selling, distribution and marketing expenses | 187.74M |
| Administrative and general expenses | 73.05M |
| Other operating income - net | |
| Operating income | 75.38M |
| Interest expense | 4.58M |
| Interest income | -174K |
| Other non-operating expense (income) - net | -12.7M |
| Income before income tax expense | 83.66M |
| Income tax expense | |
| Net income | 47.73M |
| Earnings per share - basic | 1.46 |
| Earnings per share - assuming dilution | 1.43 |
| Average number of shares outstanding | -67.91M |
| Average number of shares outstanding - assuming dilution | -67.76M |
| Dividends declared per share | 0.15 |