XML 66 R52.htm IDEA: XBRL DOCUMENT
v3.19.1

Goodwill (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 30, 2019 USD ($)
Goodwill [Roll Forward] |  |
Balance at January 1, 2019 | $ 1,405.3 |
Foreign currency translation and other | 1.0 |
Balance at March 30, 2019 | 1,406.3 | [1]
Seating |  |
Goodwill [Roll Forward] |  |
Balance at January 1, 2019 | 1,244.3 |
Foreign currency translation and other | (2.1) |
Balance at March 30, 2019 | 1,242.2 |
E-Systems |  |
Goodwill [Roll Forward] |  |
Balance at January 1, 2019 | 161.0 |
Foreign currency translation and other | 3.1 |
Balance at March 30, 2019 | $ 164.1 |
[1] | Unaudited.

X
- Definition Goodwill Translation Adjustments and Other Changes + References No definition available. + Details
Name: | lear_GoodwillTranslationAdjustmentsAndOtherChanges
Namespace Prefix: | lear_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_GoodwillRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=lear_SeatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=lear_ESystemsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |