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Other Expense, Net (Tables) | 9 Months Ended
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Sep. 28, 2013
Summary of Other (Income) Expense, Net | A summary of other expense, net is shown below (in millions):
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 28, 2013 |  |  | September 29, 2012 |  |  | September 28, 2013 |  |  | September 29, 2012 |
Other expense |  | $ | 17.3 |  |  | $ | 9.3 |  |  | $ | 38.8 |  |  | $ | 25.5 |
Other income |  |  | (0.5 | ) |  |  | (7.8 | ) |  |  | (1.0 | ) |  |  | (13.5 | )
Other expense, net |  | $ | 16.8 |  |  | $ | 1.5 |  |  | $ | 37.8 |  |  | $ | 12.0 |

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- Definition Tabular disclosure of amounts recorded as other income or other expense items (both operating and nonoperating). + References No definition available. + Details
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Namespace Prefix: | lea_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration