Schedule of Segment Reporting Information, by Segment [Table Text Block] |
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| | $ | 83,154 | | | $ | 80,134 | | | $ | 242,573 | | | $ | 223,882 | |
| | | 15,368 | | | | 15,421 | | | | 43,161 | | | | 41,358 | |
| | | 15,669 | | | | - | | | | 49,061 | | | | - | |
| | | (33 |
| | | - | | | | (212 |
| | | - | |
| | $ | 114,158 | | | $ | 95,555 | | | $ | 334,583 | | | $ | 265,240 | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | |
| | $ | 46,196 | | | $ | 46,142 | | | $ | 127,426 | | | $ | 125,265 | |
| | | 4,610 | | | | 4,909 | | | | 12,963 | | | | 12,614 | |
| | | (1,710 |
| | | - | | | | 4,461 | | | | 0 | | Subtotal reportable segments
| | | 49,096 | | | | 51,051 | | | | 144,850 | | | | 137,879 | | | | | | | | | | | | | | | | | | | Cost recognized on sale of acquired inventory
| | | (897 |
| | | (1,177 |
| | | (5,252 |
| | | (4,312 |
| Amortization of acquisition related intangible assets
| | | (6,751 |
| | | (2,605 |
| | | (19,337 |
| | | (7,380 |
| Acquisition related expenses
| | | (335 |
| | | (395 |
| | | (3,906 |
| | | (927 |
| Corporate general and administrative expenses
| | | (1,687 |
| | | (1,105 |
| | | (7,133 |
| | | (4,356 |
| Consolidated operating income
| | $ | 39,426 | | | $ | 45,769 | | | $ | 109,222 | | | $ | 120,904 | |
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