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Restructuring and Related Activities - Costs Recognized and Remaining Costs (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 11.8 | $ 14.3 | $ 7.6
Restructuring Charges |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | 10.3 |  | (0.1)
Cost of Goods Sold, Restructuring Charges [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | 1.5 |  | 7.7
Severance Pay and Benefits |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 13.4 | 6.9
Severance Pay and Benefits | Restructuring Charges |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | 9.2 |  |
Facility Closing [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 0.9 | $ 0.7
Facility Closing [Member] | Restructuring Charges |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 2.6 |  |
Audience, Inc. | Restructuring Charges |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 9.5 |
Audience, Inc. | Severance Pay and Benefits | Restructuring Charges |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 9.0 |
Audience, Inc. | Facility Closing [Member] | Restructuring Charges |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 0.5 |
Other Restructuring Actions |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 4.8 |
Other Restructuring Actions | Restructuring Charges |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 2.1 |
Other Restructuring Actions | Cost of Goods Sold, Restructuring Charges [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 2.7 |
Other Restructuring Actions | Severance Pay and Benefits |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 4.4 |
Other Restructuring Actions | Contract Termination and Other Costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | $ 0.4 |
Minimum |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Finite-lived intangible asset, useful life | 5 years |  |
Minimum | Patents |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Finite-lived intangible asset, useful life | 7 years |  |

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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