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Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Goodwill [Line Items] |  |  |
Balances | $ 5,824,726 | $ 4,710,691 |
Goodwill acquired | 2,876,991 | 1,196,451 |
Goodwill related to divestiture of business |  | (20,524) |
Currency translation adjustments | (52,047) | (62,016) |
Reclassification and other | (2,528) | 124 |
Balances | 8,647,142 | 5,824,726 | $ 4,710,691
Finite-Lived Intangible Assets [Line Items] |  |  |
Cost | 4,590,520 | 3,312,795 |
Accumulated amortization | (934,677) | (783,799) |
Net book value | 3,655,843 | 2,528,996 |
Intangible Assets - Cost and Net Book Value [Abstract] |  |  |
Net book value | 3,655,843 | 2,528,996 |
Amortization expense of other intangible assets | 201,000 | 164,000 | 153,000
Expected Amortization expense [Abstract] |  |  |
2017 | 289,000 |  |
2018 | 283,000 |  |
2019 | 277,000 |  |
2020 | 268,000 |  |
2021 | 256,000 |  |
Medical And Scientific Imaging [Member] |  |  |
Goodwill [Line Items] |  |  |
Balances | 3,039,197 | 2,594,356 |
Goodwill acquired | 166,768 | 476,106 |
Goodwill related to divestiture of business |  | 0 |
Currency translation adjustments | (19,100) | (31,556) |
Reclassification and other | (1,794) | 291 |
Balances | 3,185,071 | 3,039,197 | 2,594,356
RF Technology [Member] |  |  |
Goodwill [Line Items] |  |  |
Balances | 1,993,299 | 1,280,788 |
Goodwill acquired | 2,710,223 | 720,345 |
Goodwill related to divestiture of business |  | 0 |
Currency translation adjustments | (15,118) | (7,667) |
Reclassification and other | (734) | (167) |
Balances | 4,687,670 | 1,993,299 | 1,280,788
Industrial Technology [Member] |  |  |
Goodwill [Line Items] |  |  |
Balances | 374,033 | 408,964 |
Goodwill acquired | 0 | 0 |
Goodwill related to divestiture of business |  | (20,524) |
Currency translation adjustments | (10,055) | (14,407) |
Reclassification and other | 0 | 0 |
Balances | 363,978 | 374,033 | 408,964
Energy Systems And Controls [Member] |  |  |
Goodwill [Line Items] |  |  |
Balances | 418,197 | 426,583 |
Goodwill acquired | 0 | 0 |
Goodwill related to divestiture of business |  | 0 |
Currency translation adjustments | (7,774) | (8,386) |
Reclassification and other | 0 | 0 |
Balances | 410,423 | 418,197 | $ 426,583
Trade names [Member] |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |
Assets not subject to amortization | 578,279 | 407,460 |
In Process Research and Development [Member] |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |
Assets not subject to amortization | 62,000 |  |
Customer Relationships [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Cost | 3,272,081 | 2,448,509 |
Accumulated amortization | (712,718) | (602,615) |
Net book value | 2,559,363 | 1,845,894 |
Unpatented Technology [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Cost | 462,152 | 270,170 |
Accumulated amortization | (144,025) | (117,405) |
Net book value | 318,127 | 152,765 |
Software [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Cost | 184,761 | 161,201 |
Accumulated amortization | (56,882) | (44,298) |
Net book value | 127,879 | 116,903 |
Patents and other protective rights [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Cost | 24,656 | 24,160 |
Accumulated amortization | (20,399) | (18,659) |
Net book value | 4,257 | 5,501 |
Backlog [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Cost |  | 700 |
Accumulated amortization |  | (700) |
Net book value |  | 0 |
Trade names [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Cost | 6,591 | 595 |
Accumulated amortization | (653) | (122) |
Net book value | $ 5,938 | $ 473 |

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