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DelStar Acquisition Acquired Intangible Assets (Details) (DelStar [Member], USD $) In Millions, unless otherwise specified | 0 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 12, 2013 | Dec. 31, 2013
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Line Items] |  |
Preliminary Fair Value | $ 80.9 |
Weighted-Average Amortization Period (Years) | 21 years |
Acquisition Costs |  |
Business Acquisition, Transaction Costs |  | 1.1
Business Combination, Financing Costs |  | 2.0
Trade names [Member] |  |
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Line Items] |  |
Preliminary Fair Value | 21.8 |
Customer relationships [Member] |  |
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Line Items] |  |
Preliminary Fair Value | 45.3 |
Weighted-Average Amortization Period (Years) | 23 years |
Developed Technology [Member] |  |
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Line Items] |  |
Preliminary Fair Value | $ 13.8 |
Weighted-Average Amortization Period (Years) | 12 years 9 months 18 days |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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