Percentage of stock of subsidiaries that secure on a first priority basis of the Amended and Restated Credit Agreement.

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Percentage ownership by Lear of domestic subsidiaries who are guarantors

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Restricted Cash Disbursements for Repayments of Senior Debt

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Restricted Cash Disbursements to Acquire Business

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Maximum contractual interest rate for funds borrowed, under the debt agreement.

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Minimum contractual interest rate for funds borrowed, under the debt agreement.

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Percentage of principal amount of debt redeemed.

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No definition available.

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Face (par) amount of the original debt instrument that was repurchased.

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No definition available.

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Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

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No definition available.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

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The effective interest rate at the end of the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

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-Name Regulation S-X (SX)

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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No definition available.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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The net cash inflow or outflow in other borrowings not otherwise defined in the taxonomy.

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The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

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The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt.

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Debt - Additional Information (Detail) (USD $)	3 Months Ended		1 Months Ended				0 Months Ended
Debt - Additional Information (Detail) (USD $)	Mar. 28, 2015	Mar. 29, 2014	Mar. 29, 2014	Mar. 28, 2015	Jan. 31, 2015	Nov. 30, 2014	Jan. 05, 2015	Dec. 31, 2014	Oct. 31, 2014
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt		$ (17,500,000)
Restricted cash disbursements for repurchase of senior notes	250,000,000	0
Restricted cash disbursed for acquisition of Eagle Ottawa	350,000,000	0
Credit agreement borrowings	500,000,000	0
Percentage owned, domestic subsidiaries	1lea_PercentageOwnedDomesticSubsidiaries
4.75% Senior Notes due 2023 \| Senior notes
Debt Instrument [Line Items]
Long-term debt, aggregate principal amount	500,000,000			500,000,000
Long-term debt, stated coupon rate	4.75%			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			325,000,000
Long-term debt, stated coupon rate	5.375%			5.375%				5.375%
Proceeds from offering			325,000,000
Debt issuance cost			3,800,000
5.375% Senior Notes due 2024 \| Senior notes \| Unsecured Debt
Debt Instrument [Line Items]
Cash paid for debt redemption		327,100,000
Gain (loss) on extinguishment of debt		(17,500,000)
7.875% Senior Notes due 2018 \| Senior notes
Debt Instrument [Line Items]
Long-term debt, stated coupon rate		7.875%	7.875%
Payment for redemption of aggregate principal amount		280,000,000	280,000,000
8.125% Senior Notes due 2020 \| Senior notes
Debt Instrument [Line Items]
Long-term debt, stated coupon rate	8.125%			8.125%				8.125%
Payment for redemption of aggregate principal amount	245,000,000	35,000,000	35,000,000	245,000,000
Percentage of debt redemption			10.00%	104.063%
Restricted cash disbursements for repurchase of senior notes				250,000,000
8.125% Senior Notes due 2020 \| Senior notes \| Unsecured Debt
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt	(14,300,000)
Repayments of debt				255,000,000
5.25% Senior Notes due 2025 \| Eagle Ottawa
Debt Instrument [Line Items]
Restricted cash disbursed for acquisition of Eagle Ottawa					350,000,000
5.25% Senior Notes due 2025 \| Senior notes
Debt Instrument [Line Items]
Long-term debt, aggregate principal amount	650,000,000			650,000,000
Long-term debt, stated coupon rate	5.25%			5.25%		5.25%		5.25%
Proceeds from offering						650,000,000
Debt issuance cost						8,400,000
Credit Agreement — Term Loan Facility
Debt Instrument [Line Items]
Credit agreement borrowings							500,000,000
Credit Agreement — Term Loan Facility \| Term Loan Facility
Debt Instrument [Line Items]
Credit agreement borrowings	500,000,000
Long-term debt, aggregate principal amount						500,000,000
Credit Agreement — Term Loan Facility \| Term Loan Facility \| Eurocurrency Rate
Debt Instrument [Line Items]
Minimum interest rate margin	1.25%
Maximum interest rate margin	2.25%
Line of credit facility, interest rate at period end	1.50%			1.50%
Credit Agreement — Term Loan Facility \| Term Loan Facility \| Adjusted Base Rate
Debt Instrument [Line Items]
Minimum interest rate margin	0.25%
Maximum interest rate margin	1.25%
Line of credit facility, interest rate at period end	0.50%			0.50%
Credit Agreement — Term Loan Facility \| Eagle Ottawa
Debt Instrument [Line Items]
Proceeds from borrowings under Term Loan Facility					500,000,000
Credit agreement- revolving credit facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity						1,250,000,000.00			1,000,000,000.0
Credit agreement- revolving credit facility \| Minimum
Debt Instrument [Line Items]
Line of credit facility, facility fee	0.25%
Credit agreement- revolving credit facility \| Maximum
Debt Instrument [Line Items]
Line of credit facility, facility fee	0.50%
Credit agreement- revolving credit facility \| Eurocurrency Rate
Debt Instrument [Line Items]
Minimum interest rate margin	1.00%
Maximum interest rate margin	2.25%
Line of credit facility, interest rate at period end	1.50%			1.50%
Credit agreement- revolving credit facility \| Adjusted Base Rate
Debt Instrument [Line Items]
Minimum interest rate margin	0.00%
Maximum interest rate margin	1.25%
Line of credit facility, interest rate at period end	0.50%			0.50%
Credit agreement- revolving credit facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Borrowings outstanding under revolving credit facility	$ 0			$ 0				0
Credit Agreement \| Domestic subsidiaries
Debt Instrument [Line Items]
Percentage of stock secured on a first priority basis	100.00%			100.00%
Credit Agreement \| Foreign subsidiaries
Debt Instrument [Line Items]
Percentage of stock secured on a first priority basis	65.00%			65.00%