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Acquisitions and Divestitures (Acquisitions Schedule of Purchase Price Allocation) (Details) - USD ($) $ in Millions | 3 Months Ended | 5 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2014 | Dec. 31, 2014 | Sep. 19, 2016 | Dec. 31, 2015 | Aug. 15, 2014 | Apr. 30, 2014
Business Acquisition [Line Items] |  |  |  |  |  |  |
Goodwill | $ 924.7 | $ 263.8 | $ 263.8 |  | $ 270.6 |  |
Measurement Period Adjustments |  |  |  |  |  |  |
Cash and cash equivalents | 0.0 |  |  |  |  |  |
Receivables | 0.0 |  |  |  |  |  |
Inventories | 0.0 |  |  |  |  |  |
Other current assets | 1.7 |  |  |  |  |  |
Property, plant and equipment | 112.3 |  |  |  |  |  |
Goodwill | (77.5) |  |  |  |  |  |
Intangible assets (excluding IPRD) | (9.8) |  |  |  |  |  |
In-process research and development | 31.8 |  |  |  |  |  |
Other non-current assets | (4.6) |  |  |  |  |  |
Total assets acquired | 53.9 |  |  |  |  |  |
Accounts payable | 0.0 |  |  |  |  |  |
Other current liabilities | 8.0 |  |  |  |  |  |
Deferred tax liabilities | 45.9 |  |  |  |  |  |
Other non-current liabilities | 0.0 |  |  |  |  |  |
Total liabilities assumed | 53.9 |  |  |  |  |  |
Net assets acquired/purchase price | 0.0 |  |  |  |  |  |
Fairchild [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Cash and cash equivalents | 255.0 |  |  | $ 255.0 |  |  |
Receivables | 227.3 |  |  | 227.3 |  |  |
Inventories | 342.3 |  |  | 342.3 |  |  |
Other current assets | 61.0 |  |  | 59.3 |  |  |
Property, plant and equipment | 925.8 |  |  | 813.5 |  |  |
Goodwill | 656.1 |  |  | 733.6 |  |  |
Intangible assets | 413.6 |  |  | 423.4 |  |  |
In-process research and development | 134.2 |  |  | 102.4 |  |  |
Other non-current assets | 13.1 |  |  | 17.7 |  |  |
Total assets acquired | 3,028.4 |  |  | 2,974.5 |  |  |
Accounts payable | 79.4 |  |  | 79.4 |  |  |
Other current liabilities | 168.1 |  |  | 160.1 |  |  |
Deferred tax liabilities | 213.5 |  |  | 167.6 |  |  |
Other non-current liabilities | 35.2 |  |  | 35.2 |  |  |
Total liabilities assumed | 496.2 |  |  | 442.3 |  |  |
Net assets acquired | 2,532.2 |  |  | $ 2,532.2 |  |  |
Measurement Period Adjustments |  |  |  |  |  |  |
Inventories | $ 67.5 |  |  |  |  |  |
Aptina [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  |  | $ 30.3 |
Receivables |  |  |  |  |  | 53.2 |
Inventories |  |  |  |  |  | 84.8 |
Other current assets |  |  |  |  |  | 5.7 |
Property, plant and equipment |  |  |  |  |  | 36.3 |
Goodwill |  |  |  |  |  | 64.4 |
Intangible assets |  |  |  |  |  | 207.8 |
In-process research and development |  |  |  |  |  | 51.3 |
Other non-current assets |  |  |  |  |  | 2.3 |
Total assets acquired |  |  |  |  |  | 536.1 |
Accounts payable |  |  |  |  |  | 66.6 |
Other current liabilities |  |  |  |  |  | 49.7 |
Other non-current liabilities |  |  |  |  |  | 14.4 |
Total liabilities assumed |  |  |  |  |  | 130.7 |
Net assets acquired |  |  |  |  |  | $ 405.4 |
Measurement Period Adjustments |  |  |  |  |  |  |
Inventories |  | $ 22.3 |  |  |  |  |
Truesense Imaging, Inc. [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  |  |  | $ 4.2
Receivables |  |  |  |  |  |  | 8.8
Inventories |  |  |  |  |  |  | 18.3
Other current assets |  |  |  |  |  |  | 3.6
Property, plant and equipment |  |  |  |  |  |  | 26.4
Goodwill |  |  |  |  |  |  | 23.5
Intangible assets |  |  |  |  |  |  | 35.5
In-process research and development |  |  |  |  |  |  | 10.2
Total assets acquired |  |  |  |  |  |  | 130.5
Accounts payable |  |  |  |  |  |  | 3.8
Other current liabilities |  |  |  |  |  |  | 6.0
Other non-current liabilities |  |  |  |  |  |  | 25.0
Total liabilities assumed |  |  |  |  |  |  | 34.8
Net assets acquired |  |  |  |  |  |  | $ 95.7
Measurement Period Adjustments |  |  |  |  |  |  |
Inventories |  |  | $ 4.7 |  |  |  |

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