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Segment and Geographic Area Information, Sales by Country of Origin (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 943,640 | $ 883,933 | $ 889,541 | $ 865,281 | $ 946,145 | $ 884,122 | $ 885,175 | $ 834,052 | $ 3,582,395 | $ 3,549,494 | $ 3,238,128
Long Lived Assets | 155,482 |  |  |  | 165,636 |  |  |  | 155,482 | 165,636 | 171,423
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States |  |  |  |  |  |  |  |  | $ 481,000 | 477,000 | 479,000
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Minimum percent of total sales generated in Canada |  |  |  |  |  |  |  |  | 5.00% |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | $ 1,162,058 | 1,281,881 | 1,252,772
Sales [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Sales to unaffiliated customers |  |  |  |  |  |  |  |  | 3,582,395 | 3,549,494 | 3,238,128
Sales between geographic areas |  |  |  |  |  |  |  |  | 0 | 0 | 0
Net sales |  |  |  |  |  |  |  |  | 3,582,395 | 3,549,494 | 3,238,128
United States [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets | 133,522 |  |  |  | 134,855 |  |  |  | 133,522 | 134,855 | 135,157
United States [Member] | Sales [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Sales to unaffiliated customers |  |  |  |  |  |  |  |  | 2,829,752 | 2,661,470 | 2,400,592
Sales between geographic areas |  |  |  |  |  |  |  |  | 135,363 | 159,049 | 141,529
Net sales |  |  |  |  |  |  |  |  | $ 2,965,115 | 2,820,519 | 2,542,121
Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 15.00% |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | $ 158,952 | 209,237 | 215,077
Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 17.00% |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | $ 452,238 | 518,893 | 493,670
Non US Operations [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets | 21,960 |  |  |  | 30,781 |  |  |  | 21,960 | 30,781 | 36,266
Non US Operations [Member] | Sales [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Sales to unaffiliated customers |  |  |  |  |  |  |  |  | 752,643 | 888,024 | 837,536
Sales between geographic areas |  |  |  |  |  |  |  |  | 119,006 | 119,175 | 121,431
Net sales |  |  |  |  |  |  |  |  | 871,649 | 1,007,199 | 958,967
Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets | $ 0 |  |  |  | $ 0 |  |  |  | 0 | 0 | 0
Eliminations [Member] | Sales [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Sales to unaffiliated customers |  |  |  |  |  |  |  |  | 0 | 0 | 0
Sales between geographic areas |  |  |  |  |  |  |  |  | (254,369) | (278,224) | (262,960)
Net sales |  |  |  |  |  |  |  |  | $ (254,369) | (278,224) | (262,960)
Asia [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 36.00% |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | $ 315,656 | 320,326 | 314,621
Middle East [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 18.00% |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | $ 124,489 | 91,050 | 90,011
Rest of the World [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | $ 110,723 | 142,375 | 139,393
South Pacific [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 3.00% |  |
South America [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 5.00% |  |
Other Geographical Area [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 6.00% |  |
Medical and Scientific Imaging [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 1,215,318 | 1,080,309 | 902,281
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 340,461 | 356,674 | 325,044
Medical and Scientific Imaging [Member] | Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 23,737 | 24,997 | 25,502
Medical and Scientific Imaging [Member] | Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 167,698 | 185,263 | 168,394
Medical and Scientific Imaging [Member] | Asia [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 112,732 | 107,695 | 103,931
Medical and Scientific Imaging [Member] | Middle East [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 15,877 | 9,997 | 9,361
Medical and Scientific Imaging [Member] | Rest of the World [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 20,417 | 28,722 | 17,856
RF Technology [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 1,033,951 | 950,227 | 904,363
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 178,032 | 151,270 | 173,119
RF Technology [Member] | Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 45,506 | 45,811 | 45,954
RF Technology [Member] | Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 57,581 | 54,330 | 62,825
RF Technology [Member] | Asia [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 10,019 | 7,555 | 8,134
RF Technology [Member] | Middle East [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 54,165 | 34,241 | 44,341
RF Technology [Member] | Rest of the World [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 10,761 | 9,333 | 11,865
Industrial Technology [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 745,381 | 827,145 | 779,564
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 253,272 | 320,017 | 314,208
Industrial Technology [Member] | Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 65,826 | 106,598 | 109,361
Industrial Technology [Member] | Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 97,938 | 121,909 | 108,644
Industrial Technology [Member] | Asia [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 60,817 | 61,552 | 65,622
Industrial Technology [Member] | Middle East [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 4,220 | 3,824 | 3,865
Industrial Technology [Member] | Rest of the World [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 24,471 | 26,134 | 26,716
Energy Systems And Controls [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 587,745 | 691,813 | 651,920
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 390,293 | 453,920 | 440,401
Energy Systems And Controls [Member] | Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 23,883 | 31,831 | 34,260
Energy Systems And Controls [Member] | Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 129,021 | 157,391 | 153,807
Energy Systems And Controls [Member] | Asia [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 132,088 | 143,524 | 136,934
Energy Systems And Controls [Member] | Middle East [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 50,227 | 42,988 | 32,444
Energy Systems And Controls [Member] | Rest of the World [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 55,074 | 78,186 | 82,956
Corporate [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 0

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