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.

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-Topic 350
-SubTopic 30
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
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Total revenue reported by the acquired entity for its previous full fiscal year before the business acquisition.

+ References

No definition available.

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- Definition

This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.

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- Definition

In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

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Long-Term Assets - Investment in Affiliates Narrative (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	9 Months Ended
	Jan. 31, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Business Acquisition [Line Items]
Consolidation of affiliate, revaluation gain		$ 54.2		$ 54.2
Lear FAWSN
Business Acquisition [Line Items]
Fair value of previously held equity interest	$ 23.0
Fair value of the noncontrolling interest	$ 14.0
Annual sales			$ 100.0
Lear FAWSN
Business Acquisition [Line Items]
Percentage of voting interests acquired	20.00%
Fair value of previously held equity interest	$ 23.0
Lear FAWSN \| Other Income And Expense
Business Acquisition [Line Items]
Consolidation of affiliate, revaluation gain			$ 10.0	$ 54.2
Lear FAWSN \| Customer relationships
Business Acquisition [Line Items]
Acquired intangible assets, weighted average useful life	10 years