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Segment and Geographic Area Information (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Business Segments [Abstract] |  |  |  |  |  |  |  |  |  |  |
Number of operating segments |  |  |  |  |  |  |  |  | 4 |  |
Schedule of Segment Reporting Information, by Segment [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 809,910,000 | $ 747,641,000 | $ 724,872,000 | $ 711,066,000 | $ 739,204,000 | $ 712,705,000 | $ 699,871,000 | $ 645,309,000 | $ 2,993,489,000 | $ 2,797,089,000 | $ 2,386,112,000
Operating profit | 225,242,000 | 183,257,000 | 178,784,000 | 170,304,000 | 187,354,000 | 167,215,000 | 163,970,000 | 142,000,000 | 757,587,000 | 660,539,000 | 514,294,000
Assets: |  |  |  |  |  |  |  |  |  |  |
Operating assets | 933,615,000 |  |  |  | 848,143,000 |  |  |  | 933,615,000 | 848,143,000 | 790,500,000
Intangible assets, net | 5,567,724,000 |  |  |  | 3,960,568,000 |  |  |  | 5,567,724,000 | 3,960,568,000 | 3,832,293,000
Other | 569,765,000 |  |  |  | 510,706,000 |  |  |  | 569,765,000 | 510,706,000 | 446,731,000
Total | 7,071,104,000 |  |  |  | 5,319,417,000 |  |  |  | 7,071,104,000 | 5,319,417,000 | 5,069,524,000
Capital expenditures |  |  |  |  |  |  |  |  | 38,405,000 | 40,702,000 | 28,591,000
Depreciation and other amortization |  |  |  |  |  |  |  |  | 154,748,000 | 140,143,000 | 123,021,000
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Sales to unaffiliated customers |  |  |  |  |  |  |  |  | 2,993,489,000 | 2,797,089,000 | 2,386,112,000
Sales between geographic areas |  |  |  |  |  |  |  |  | 0 | 0 | 0
Net sales | 809,910,000 | 747,641,000 | 724,872,000 | 711,066,000 | 739,204,000 | 712,705,000 | 699,871,000 | 645,309,000 | 2,993,489,000 | 2,797,089,000 | 2,386,112,000
Long Lived Assets | 160,717,000 |  |  |  | 171,128,000 |  |  |  | 160,717,000 | 171,128,000 | 133,981,000
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States |  |  |  |  |  |  |  |  | 459,000,000 | 410,000,000 | 358,000,000
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Minimum percent of total sales generated in Canada |  |  |  |  |  |  |  |  | 500.00% |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 1,214,410,000 | 1,164,354,000 | 943,503,000
United States[Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Long Lived Assets | 125,015,000 |  |  |  | 135,399,000 |  |  |  | 125,015,000 | 135,399,000 | 104,147,000
United States[Member] | Sales [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Segment Reporting Information, by Segment [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 2,315,307,000 | 2,138,877,000 | 1,883,999,000
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Sales to unaffiliated customers |  |  |  |  |  |  |  |  | 2,174,443,000 | 1,985,756,000 | 1,758,797,000
Sales between geographic areas |  |  |  |  |  |  |  |  | 140,864,000 | 153,121,000 | 125,202,000
Net sales |  |  |  |  |  |  |  |  | 2,315,307,000 | 2,138,877,000 | 1,883,999,000
Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 16.00% |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 202,550,000 | 166,174,000 | 122,614,000
Non-U.S. [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Segment Reporting Information, by Segment [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 930,859,000 | 1,040,916,000 | 801,580,000
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Sales to unaffiliated customers |  |  |  |  |  |  |  |  | 819,046,000 | 811,333,000 | 627,315,000
Sales between geographic areas |  |  |  |  |  |  |  |  | 111,813,000 | 229,583,000 | 174,265,000
Net sales |  |  |  |  |  |  |  |  | 930,859,000 | 1,040,916,000 | 801,580,000
Long Lived Assets | 35,702,000 |  |  |  | 35,729,000 |  |  |  | 35,702,000 | 35,729,000 | 29,834,000
Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 21.00% |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 478,032,000 | 510,889,000 | 417,555,000
Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Segment Reporting Information, by Segment [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | (252,677,000) | (382,704,000) | (299,467,000)
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Sales to unaffiliated customers |  |  |  |  |  |  |  |  | 0 | 0 | 0
Sales between geographic areas |  |  |  |  |  |  |  |  | (252,677,000) | (382,704,000) | (299,467,000)
Net sales |  |  |  |  |  |  |  |  | (252,677,000) | (382,704,000) | (299,467,000)
Long Lived Assets |  |  |  |  |  |  |  |  |  |  |
Asia [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 35.00% |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 315,217,000 | 281,298,000 | 234,058,000
Middle East [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 13.00% |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 86,450,000 | 82,224,000 | 65,957,000
Rest of the World [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 132,161,000 | 123,769,000 | 103,319,000
South America [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 6.00% |  |
Other Geographical Area [Member] |  |  |  |  |  |  |  |  |  |  |
Export sales [Abstract] |  |  |  |  |  |  |  |  |  |  |
Export sales from the United States (in hundredths) |  |  |  |  |  |  |  |  | 9.00% |  |
Industrial Technology [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Segment Reporting Information, by Segment [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 795,240,000 | 737,356,000 | 607,564,000
Operating profit |  |  |  |  |  |  |  |  | 244,691,000 | 208,188,000 | 162,009,000
Assets: |  |  |  |  |  |  |  |  |  |  |
Operating assets | 225,620,000 |  |  |  | 219,180,000 |  |  |  | 225,620,000 | 219,180,000 | 179,458,000
Intangible assets, net | 590,175,000 |  |  |  | 597,769,000 |  |  |  | 590,175,000 | 597,769,000 | 610,542,000
Other | 100,102,000 |  |  |  | 32,054,000 |  |  |  | 100,102,000 | 32,054,000 | 54,822,000
Capital expenditures |  |  |  |  |  |  |  |  | 14,030,000 | 11,153,000 | 8,849,000
Depreciation and other amortization |  |  |  |  |  |  |  |  | 21,754,000 | 23,119,000 | 23,660,000
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 795,240,000 | 737,356,000 | 607,564,000
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 311,190,000 | 280,298,000 | 210,858,000
Industrial Technology [Member] | Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 94,035,000 | 64,864,000 | 44,678,000
Industrial Technology [Member] | Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 104,105,000 | 110,656,000 | 91,815,000
Industrial Technology [Member] | Asia [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 75,113,000 | 67,093,000 | 49,232,000
Industrial Technology [Member] | Middle East [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 3,846,000 | 3,964,000 | 2,805,000
Industrial Technology [Member] | Rest of the World [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 34,091,000 | 33,721,000 | 22,328,000
Energy Systems And Controls [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Segment Reporting Information, by Segment [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 646,116,000 | 597,802,000 | 503,897,000
Operating profit |  |  |  |  |  |  |  |  | 179,824,000 | 157,960,000 | 120,427,000
Assets: |  |  |  |  |  |  |  |  |  |  |
Operating assets | 199,016,000 |  |  |  | 194,527,000 |  |  |  | 199,016,000 | 194,527,000 | 166,554,000
Intangible assets, net | 555,667,000 |  |  |  | 535,606,000 |  |  |  | 555,667,000 | 535,606,000 | 518,849,000
Other | 80,230,000 |  |  |  | 64,753,000 |  |  |  | 80,230,000 | 64,753,000 | 62,637,000
Capital expenditures |  |  |  |  |  |  |  |  | 5,532,000 | 6,889,000 | 3,466,000
Depreciation and other amortization |  |  |  |  |  |  |  |  | 19,671,000 | 18,177,000 | 18,472,000
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 646,116,000 | 597,802,000 | 503,897,000
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 426,334,000 | 414,735,000 | 352,665,000
Energy Systems And Controls [Member] | Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 39,836,000 | 39,547,000 | 27,360,000
Energy Systems And Controls [Member] | Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 148,360,000 | 148,767,000 | 135,019,000
Energy Systems And Controls [Member] | Asia [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 121,997,000 | 118,565,000 | 100,094,000
Energy Systems And Controls [Member] | Middle East [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 47,866,000 | 44,792,000 | 34,912,000
Energy Systems And Controls [Member] | Rest of the World [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 68,275,000 | 63,064,000 | 55,280,000
Medical and Scientific Imaging [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Segment Reporting Information, by Segment [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 703,835,000 | 610,617,000 | 548,718,000
Operating profit |  |  |  |  |  |  |  |  | 187,246,000 | 148,376,000 | 130,558,000
Assets: |  |  |  |  |  |  |  |  |  |  |
Operating assets | 232,527,000 |  |  |  | 176,893,000 |  |  |  | 232,527,000 | 176,893,000 | 170,955,000
Intangible assets, net | 2,631,085,000 |  |  |  | 971,584,000 |  |  |  | 2,631,085,000 | 971,584,000 | 791,611,000
Other | 114,834,000 |  |  |  | 49,599,000 |  |  |  | 114,834,000 | 49,599,000 | 59,375,000
Capital expenditures |  |  |  |  |  |  |  |  | 8,253,000 | 12,498,000 | 7,269,000
Depreciation and other amortization |  |  |  |  |  |  |  |  | 50,309,000 | 34,224,000 | 27,991,000
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 703,835,000 | 610,617,000 | 548,718,000
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 319,140,000 | 292,915,000 | 241,787,000
Medical and Scientific Imaging [Member] | Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 21,308,000 | 21,127,000 | 15,306,000
Medical and Scientific Imaging [Member] | Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 161,075,000 | 162,725,000 | 126,116,000
Medical and Scientific Imaging [Member] | Asia [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 111,642,000 | 86,807,000 | 79,343,000
Medical and Scientific Imaging [Member] | Middle East [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 4,613,000 | 5,062,000 | 5,853,000
Medical and Scientific Imaging [Member] | Rest of the World [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 20,500,000 | 17,194,000 | 15,169,000
RF Technology [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Segment Reporting Information, by Segment [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 848,298,000 | 851,314,000 | 725,933,000
Operating profit |  |  |  |  |  |  |  |  | 223,335,000 | 202,877,000 | 150,711,000
Assets: |  |  |  |  |  |  |  |  |  |  |
Operating assets | 251,721,000 |  |  |  | 237,719,000 |  |  |  | 251,721,000 | 237,719,000 | 256,016,000
Intangible assets, net | 1,790,797,000 |  |  |  | 1,855,609,000 |  |  |  | 1,790,797,000 | 1,855,609,000 | 1,911,291,000
Other | 51,044,000 |  |  |  | 31,911,000 |  |  |  | 51,044,000 | 31,911,000 | 40,913,000
Capital expenditures |  |  |  |  |  |  |  |  | 9,765,000 | 9,634,000 | 8,976,000
Depreciation and other amortization |  |  |  |  |  |  |  |  | 62,629,000 | 64,329,000 | 52,709,000
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 848,298,000 | 851,314,000 | 725,933,000
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 157,746,000 | 176,406,000 | 138,193,000
RF Technology [Member] | Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 47,371,000 | 40,636,000 | 35,270,000
RF Technology [Member] | Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 64,492,000 | 88,741,000 | 64,605,000
RF Technology [Member] | Asia [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 6,465,000 | 8,833,000 | 5,389,000
RF Technology [Member] | Middle East [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 30,125,000 | 28,406,000 | 22,387,000
RF Technology [Member] | Rest of the World [Member] |  |  |  |  |  |  |  |  |  |  |
Geographic Areas, Revenues from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers outside the U.S. |  |  |  |  |  |  |  |  | 9,293,000 | 9,790,000 | 10,542,000
Corporate [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Segment Reporting Information, by Segment [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating profit |  |  |  |  |  |  |  |  | (77,509,000) | (56,862,000) | (49,411,000)
Assets: |  |  |  |  |  |  |  |  |  |  |
Operating assets | 24,731,000 |  |  |  | 19,824,000 |  |  |  | 24,731,000 | 19,824,000 | 17,517,000
Intangible assets, net | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Other | 223,555,000 |  |  |  | 332,389,000 |  |  |  | 223,555,000 | 332,389,000 | 228,984,000
Capital expenditures |  |  |  |  |  |  |  |  | 825,000 | 528,000 | 31,000
Depreciation and other amortization |  |  |  |  |  |  |  |  | 385,000 | 294,000 | 189,000
Schedule of Entity Wide Information About Geographic Areas [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 0

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