Schedule of Segment Reporting Information, by Segment [Table Text Block] |
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| | $ | 75,854 | | | $ | 74,373 | | | $ | 151,597 | | | $ | 150,807 | |
| | | 25,723 | | | | 17,297 | | | | 46,085 | | | | 36,406 | |
| | | 19,337 | | | | 20,478 | | | | 35,634 | | | | 33,382 | |
| | | (7 |
| | | (200 |
| | | (28 |
| | | (190 |
|
| | $ | 120,907 | | | $
| 111,948 | | | $ | 233,288 | | | $ | 220,425 | | | | | | | | | | | | | | | | | | | Segment operating income:
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| | $ | 39,986 | | | $ | 38,038 | | | $ | 79,302 | | | $ | 78,465 | |
| | | 7,297 | | | | 5,128 | | | | 12,010 | | | | 11,238 | |
| | | 1,528 | | | | 3,447 | | | | 356 | | | | 6,050 | |
| | | 48,811 | | | | 46,613 | | | | 91,668 | | | | 95,753 | | | | | | | | | | | | | | | | | | | Costs recognized on sale of acquired inventory
| | | (1,245 |
| | | (1,188 |
| | | (2,357 |
| | | (4,356 |
| Amortization of acquisition related intangible assets
| | | (7,361 |
| | | (6,858 |
| | | (14,772 |
| | | (12,586 |
| Acquisition related expenses
| | | (670 |
| | | (1,201 |
| | | (970 |
| | | (3,571 |
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| | | (2,321 |
| | | (2,075 |
| | | (4,359 |
| | | (3,437 |
| Corporate general, selling, and administrative
| | | (1,189 |
| | | (711 |
| | | (2,156 |
| | | (2,007 |
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| | $ | 36,025 | | | $ | 34,580 | | | $ | 67,054 | | | $ | 69,796 | |
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