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Supplemental Guarantor Condensed Consolidating Financial Statements - Additional Information (Detail) | 3 Months Ended |
--- | --- | ---
Apr. 02, 2016 USD ($) | Mar. 28, 2015 USD ($) | Dec. 31, 2015 USD ($)
Debt Instrument [Line Items] |  |  |  |
Percentage owned, domestic subsidiaries | 1 |  |  |
Selling, general and administrative expenses allocated from Lear | $ 32,700,000 |  | $ 30,800,000 |
Long-term Debt |  |  |  |
Long-Term Debt, Net | 1,954,900,000 |  |  | $ 1,954,800,000
Less — Current portion | (26,400,000) | [1] |  | (23,100,000)
Long-term debt | 1,928,500,000 | [1] |  | $ 1,931,700,000
4.75% Senior Notes due 2023 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, aggregate principal amount | $ 500,000,000 |  |  |
Long-term debt, stated coupon rate | 4.75% |  |  | 4.75%
5.375% Senior Notes due 2024 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, aggregate principal amount | $ 325,000,000 |  |  |
Long-term debt, stated coupon rate | 5.375% |  |  | 5.375%
5.25% Senior Notes due 2025 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, aggregate principal amount | $ 650,000,000 |  |  |
Long-term debt, stated coupon rate | 5.25% |  | 8.125% | 5.25%
Lear |  |  |  |
Long-term Debt |  |  |  |
Long-Term Debt, Net | $ 1,944,800,000 |  |  | $ 1,947,200,000
Less — Current portion | (25,000,000) |  |  | (21,900,000)
Long-term debt | 1,919,800,000 |  |  | 1,925,300,000
Lear | Senior notes |  |  |  |
Long-term Debt |  |  |  |
Long-Term Debt, Net | $ 1,459,300,000 |  |  | 1,458,800,000
Lear | 4.75% Senior Notes due 2023 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, stated coupon rate | 4.75% |  |  |
Lear | 5.375% Senior Notes due 2024 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, stated coupon rate | 5.375% |  |  |
Lear | 5.25% Senior Notes due 2025 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, stated coupon rate | 5.25% |  |  |
Term Loan Facility | Lear | Credit Agreement — Term Loan Facility |  |  |  |
Long-term Debt |  |  |  |
Long-Term Debt, Net | $ 485,500,000 |  |  | $ 488,400,000
[1] | Unaudited.

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