XML 37 R29.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Pre-Production Costs Related to Long-Term Supply Agreements (Tables) | 6 Months Ended
--- | ---
Jun. 27, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Classification of Recoverable Customer Engineering, Development and Tooling Costs Related to Long-term Supply Agreements | The classification of recoverable customer E&D and tooling costs related to long-term supply agreements is shown below (in millions):
| June 27, 2015 |  | December 31, 2014
Current | $ | 134.2 |  |  | $ | 121.1 |
Long-term | 51.2 |  |  | 47.6 |
Recoverable customer E&D and tooling | $ | 185.4 |  |  | $ | 168.7 |

X
- Definition Balance sheet classification of recoverable customer engineering, development and tooling balances. + References No definition available. + Details
Name: | lea_ScheduleOfPreproductionCostsRelatedToLongTermSupplyArrangementsTableTextBlock
Namespace Prefix: | lea_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration