| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
The Company’s segment results were as follows: | | | | | | | | | | | | | | | | | | Three Months Ended | | Nine Months Ended | | September 28, 2018 | | September 29, 2017 | | September 28, 2018 | | September 29, 2017 | | (In thousands) | Net sales: | | | | Air and Gas Handling | $ | 351,350 |
| | $ | 362,310 |
| | $ | 1,063,433 |
| | $ | 989,044 |
| Fabrication Technology | 524,023 |
| | 482,199 |
| | 1,618,153 |
| | 1,437,057 |
| | $ | 875,373 |
| | $ | 844,509 |
| | $ | 2,681,586 |
| | $ | 2,426,101 |
| Segment operating income(1): | | | | | | | | Air and Gas Handling | $ | 34,380 |
| | $ | 40,234 |
| | $ | 84,435 |
| | $ | 97,570 |
| Fabrication Technology | 55,635 |
| | 56,232 |
| | 190,865 |
| | 172,696 |
| Corporate and other | (13,919 | ) | | (14,402 | ) | | (46,453 | ) | | (42,024 | ) | | $ | 76,096 |
| | $ | 82,064 |
| | $ | 228,847 |
| | $ | 228,242 |
|
(1) The following is a reconciliation of Income from continuing operations before income taxes to segment operating income: | | | | | | | | | | | | | | | | | | Three Months Ended | | Nine Months Ended | | September 28, 2018 | | September 29, 2017 | | September 28, 2018 | | September 29, 2017 | | (In thousands) | Income from continuing operations before income taxes | $ | 50,295 |
| | $ | 63,438 |
| | $ | 148,775 |
| | $ | 176,005 |
| Loss on short term investments | — |
| | — |
| | 10,128 |
| | — |
| Interest expense, net | 9,885 |
| | 11,328 |
| | 29,153 |
| | 29,106 |
| Restructuring and other related charges | 15,916 |
| | 7,298 |
| | 40,791 |
| | 23,131 |
| Segment operating income | $ | 76,096 |
| | $ | 82,064 |
| | $ | 228,847 |
| | $ | 228,242 |
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