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Segment and Geographic Area Information, Sales by Country of Origin (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 889,173,000 | $ 827,810,000 | $ 784,010,000 | $ 737,135,000 | $ 809,910,000 | $ 747,641,000 | $ 724,872,000 | $ 711,066,000 | $ 3,238,128,000 | $ 2,993,489,000 | $ 2,797,089,000
Long Lived Assets | 171,423,000 |  |  |  | 160,717,000 |  |  |  | 171,423,000 | 160,717,000 | 171,128,000
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States |  |  |  |  |  |  |  |  | 479,000,000 | 459,000,000 | 410,000,000
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 1,252,772,000 | 1,214,410,000 | 1,164,354,000
Sales [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Sales to unaffiliated customers |  |  |  |  |  |  |  |  | 3,238,128,000 | 2,993,489,000 | 2,797,089,000
Sales between geographic areas |  |  |  |  |  |  |  |  | 0 | 0 | 0
Net sales |  |  |  |  |  |  |  |  | 3,238,128,000 | 2,993,489,000 | 2,797,089,000
United States[Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets | 135,157,000 |  |  |  | 125,015,000 |  |  |  | 135,157,000 | 125,015,000 | 135,399,000
United States[Member] | Sales [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Sales to unaffiliated customers |  |  |  |  |  |  |  |  | 2,400,592,000 | 2,174,443,000 | 1,985,756,000
Sales between geographic areas |  |  |  |  |  |  |  |  | 141,529,000 | 140,864,000 | 153,121,000
Net sales |  |  |  |  |  |  |  |  | 2,542,121,000 | 2,315,307,000 | 2,138,877,000
Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 16.00% |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 215,077,000 | 202,550,000 | 166,174,000
Non-U.S. [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets | 36,266,000 |  |  |  | 35,702,000 |  |  |  | 36,266,000 | 35,702,000 | 35,729,000
Non-U.S. [Member] | Sales [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Sales to unaffiliated customers |  |  |  |  |  |  |  |  | 837,536,000 | 819,046,000 | 811,333,000
Sales between geographic areas |  |  |  |  |  |  |  |  | 121,431,000 | 111,813,000 | 229,583,000
Net sales |  |  |  |  |  |  |  |  | 958,967,000 | 930,859,000 | 1,040,916,000
Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 19.00% |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 493,670,000 | 478,032,000 | 510,889,000
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 |  |  |  |  |  |  |  |  | (262,960,000) | (252,677,000) | (382,704,000)
Net sales |  |  |  |  |  |  |  |  | (262,960,000) | (252,677,000) | (382,704,000)
Asia [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 35.00% |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 314,621,000 | 315,217,000 | 281,298,000
Middle East [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 13.00% |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 90,011,000 | 86,450,000 | 82,224,000
Rest of the World [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 139,393,000 | 132,161,000 | 123,769,000
South Pacific [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 5.00% |  |
South America [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 7.00% |  |
Other Geographical Area [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 5.00% |  |
Industrial Technology [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 779,564,000 | 795,240,000 | 737,356,000
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 314,208,000 | 311,190,000 | 280,298,000
Industrial Technology [Member] | Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 109,361,000 | 94,035,000 | 64,864,000
Industrial Technology [Member] | Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 108,644,000 | 104,105,000 | 110,656,000
Industrial Technology [Member] | Asia [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 65,622,000 | 75,113,000 | 67,093,000
Industrial Technology [Member] | Middle East [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 3,865,000 | 3,846,000 | 3,964,000
Industrial Technology [Member] | Rest of the World [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 26,716,000 | 34,091,000 | 33,721,000
Energy Systems And Controls [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 651,920,000 | 646,116,000 | 597,802,000
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 440,401,000 | 426,334,000 | 414,735,000
Energy Systems And Controls [Member] | Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 34,260,000 | 39,836,000 | 39,547,000
Energy Systems And Controls [Member] | Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 153,807,000 | 148,360,000 | 148,767,000
Energy Systems And Controls [Member] | Asia [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 136,934,000 | 121,997,000 | 118,565,000
Energy Systems And Controls [Member] | Middle East [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 32,444,000 | 47,866,000 | 44,792,000
Energy Systems And Controls [Member] | Rest of the World [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 82,956,000 | 68,275,000 | 63,064,000
Medical and Scientific Imaging [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 902,281,000 | 703,835,000 | 610,617,000
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 325,044,000 | 319,140,000 | 292,915,000
Medical and Scientific Imaging [Member] | Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 25,502,000 | 21,308,000 | 21,127,000
Medical and Scientific Imaging [Member] | Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 168,394,000 | 161,075,000 | 162,725,000
Medical and Scientific Imaging [Member] | Asia [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 103,931,000 | 111,642,000 | 86,807,000
Medical and Scientific Imaging [Member] | Middle East [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 9,361,000 | 4,613,000 | 5,062,000
Medical and Scientific Imaging [Member] | Rest of the World [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 17,856,000 | 20,500,000 | 17,194,000
RF Technology [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 904,363,000 | 848,298,000 | 851,314,000
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 173,119,000 | 157,746,000 | 176,406,000
RF Technology [Member] | Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 45,954,000 | 47,371,000 | 40,636,000
RF Technology [Member] | Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 62,825,000 | 64,492,000 | 88,741,000
RF Technology [Member] | Asia [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 8,134,000 | 6,465,000 | 8,833,000
RF Technology [Member] | Middle East [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 44,341,000 | 30,125,000 | 28,406,000
RF Technology [Member] | Rest of the World [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales to Customers Outside the US |  |  |  |  |  |  |  |  | 11,865,000 | 9,293,000 | 9,790,000
Corporate [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 0

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