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Acquisitions - Purchase Price and Related Allocation (Details) - USD ($) $ in Millions | Apr. 28, 2017 | Dec. 21, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
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Business Acquisition [Line Items] |  |  |  |  |
Goodwill |  |  | $ 1,401.3 | $ 1,121.3 | $ 1,053.8
Antolin Seating |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Net purchase price | $ 292.4 |  |  |  |
Property, plant and equipment | 79.2 |  |  |  |
Other assets purchased and liabilities assumed, net | (31.5) |  |  |  |
Goodwill | 123.3 |  |  |  |
Intangible assets | 121.4 |  |  |  |
Purchase price allocation | $ 292.4 |  |  |  |
AccuMED |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Purchase price paid, net of cash acquired |  | $ 148.5 |  |  |
Property, plant and equipment |  | 10.5 |  |  |
Other assets purchased and liabilities assumed, net |  | 6.5 |  |  |
Goodwill |  | 78.5 |  |  |
Intangible assets |  | 53.0 |  |  |
Purchase price allocation |  | $ 148.5 |  |  |

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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