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Goodwill (Detail) $ in Millions | 6 Months Ended
--- | ---
Jul. 01, 2017 USD ($)
Goodwill [Roll Forward] |  |
Balance at January 1, 2017 | $ 1,121.3 |
Acquisition | 121.1 |
Foreign currency translation and other | 29.7 |
Balance at July 1, 2017 | 1,272.1 | [1]
Operating segments | Seating |  |
Goodwill [Roll Forward] |  |
Balance at January 1, 2017 | 1,091.2 |
Acquisition | 121.1 |
Foreign currency translation and other | 29.5 |
Balance at July 1, 2017 | 1,241.8 |
Operating segments | E-Systems |  |
Goodwill [Roll Forward] |  |
Balance at January 1, 2017 | 30.1 |
Acquisition | 0.0 |
Foreign currency translation and other | 0.2 |
Balance at July 1, 2017 | $ 30.3 |
[1] | Unaudited.

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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