Schedule of Segment Reporting Information, by Segment [Table Text Block] |
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| | $ | 77,951 | | | $ | 70,557 | | | $ | 159,419 | | | $ | 143,747 | |
| | | 13,698 | | | | 13,460 | | | | 27,793 | | | | 25,938 | |
| | | 20,299 | | | | 0 | | | | 33,213 | | | | 0 | |
| | $ | 111,948 | | | $ | 84,017 | | | $ | 220,425 | | | $ | 169,685 | | | | | | | | | | | | | | | | | | |
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| | $ | 39,210 | | | $ | 38,135 | | | $ | 81,230 | | | $ | 79,123 | |
| | | 3,818 | | | | 3,686 | | | | 8,353 | | | | 7,705 | |
| | | 3,567 | | | | 0 | | | | 6,171 | | | | 0 | | Subtotal reportable segments
| | | 46,595 | | | | 41,821 | | | | 95,754 | | | | 86,828 | | | | | | | | | | | | | | | | | | | Cost recognized on sale of acquired inventory
| | | (1,188 |
| | | (1,404 |
| | | (4,355 |
| | | (3,135 |
| Amortization of acquisition related intangible assets
| | | (6,858 |
| | | (2,587 |
| | | (12,586 |
| | | (4,775 |
| Corporate selling, general and administrative expenses
| | | (2,768 |
| | | (2,086 |
| | | (5,446 |
| | | (3,251 |
| Acquisition related expenses
| | | (1,201 |
| | | (0 |
| | | (3,571 |
| | | (532 |
| Consolidated operating income
| | $ | 34,580 | | | $ | 35,744 | | | $ | 69,796 | | | $ | 75,135 | |
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