Schedule of Segment Reporting Information, by Segment [Table Text Block] |
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| | $ | 85,953 | | | $ | 75,854 | | | $ | 172,740 | | | $ | 151,597 | |
| | | 24,330 | | | | 25,723 | | | | 48,563 | | | | 46,085 | |
| | | 21,548 | | | | 19,337 | | | | 41,121 | | | | 35,634 | |
| | | (24 |
| | | (7 |
| | | (36 |
| | | (28 |
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| | $ | 131,807 | | | $ | 120,907 | | | $ | 262,388 | | | $ | 233,288 | | Segment operating income:
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| | $ | 39,474 | | | $ | 39,986 | | | $ | 81,954 | | | $ | 79,302 | |
| | | 5,801 | | | | 7,297 | | | | 12,104 | | | | 12,010 | |
| | | 1,843 | | | | 1,528 | | | | 2,052 | | | | 356 | | Subtotal reportable segments
| | | 47,118 | | | | 48,811 | | | | 96,110 | | | | 91,668 | | Costs recognized on sale of acquired inventory
| | | (3,848 |
| | | (1,245 |
| | | (8,069 |
| | | (2,357 |
| Amortization of acquisition related intangible assets
| | | (11,627 |
| | | (7,361 |
| | | (21,815 |
| | | (14,772 |
| Acquisition related expenses
| | | (10,732 |
| | | (670 |
| | | (15,101 |
| | | (970 |
|
| | | (4,055 |
| | | (2,321 |
| | | (7,245 |
| | | (4,359 |
| Corporate general, selling, and administrative
| | | (710 |
| | | (1,189 |
| | | (2,293 |
| | | (2,156 |
| Consolidated operating income
| | $ | 16,146 | | | $ | 36,025 | | | $ | 41,587 | | | $ | 67,054 | |
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