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No definition available.

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Outstanding balance on term loan

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

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- Definition

Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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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.

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No definition available.

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- Definition

Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.

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- Definition

Amount of the required periodic payments applied to principal.

+ References

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- Definition

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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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

+ References

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Amount of cash inflow (outflow) from financing activities classified as other.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

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Carrying value as of the balance sheet date of the portion of long-term notes having the highest claim on the assets of the issuer in case of bankruptcy or liquidation, due within one year or the normal operating cycle, if longer. Senior note holders are paid off in full before any payments are made to debt holders having a lesser priority of repayment.

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Debt (Details Textual) - USD ($) $ in Millions	9 Months Ended
Debt (Details Textual) - USD ($) $ in Millions	Sep. 26, 2019	Sep. 27, 2018	Dec. 31, 2018
Debt Instrument [Line Items]
Proceeds from (Payments for) Other Financing Activities	$ 0.8	$ 0.0
Optional Revolver Commitment	750.0
Restricted Cash and Cash Equivalents	0.3		$ 0.3
Proceeds from Issuance of Senior Long-term Debt		1,300.0
Proceeds from Lines of Credit	100.0	0.0
Repayments of Lines of Credit	100.0	$ 0.0
Long-term Debt	2,038.5		1,792.1
2018 Amended Restated Credit Agreement [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	1,260.0
Senior unsecured notes due 2022 [Member]
Debt Instrument [Line Items]
Senior Notes, Noncurrent	298.9		298.5
Senior Notes, Current	0.0		0.0
Senior Unsecured Notes Due 2026 [Member]
Debt Instrument [Line Items]
Senior Notes, Noncurrent	297.7		297.5
Senior Notes, Current	0.0		0.0
2018 Revolver [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	800.0
Proceeds from Lines of Credit	100.0
Repayments of Lines of Credit	100.0
Line of Credit Facility, Remaining Borrowing Capacity	800.0
2018 Term Loan A [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	206.0
Delayed Draw Term Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	250.0
Proceeds from Issuance of Senior Long-term Debt	$ 250.0
2018 Revolver, 2018 Term Loan, Delayed Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate Terms	Each of the 2018 Revolver, the 2018 Term Loan and the Delayed Draw Term Loan matures July 12, 2023, and bears interest, at Spirit’s option, at either LIBOR plus 1.375% or a defined “base rate” plus 0.375%, subject to adjustment to between LIBOR plus 1.125% and LIBOR plus 1.875% (or between base rate plus 0.125% and base rate plus 0.875%, as applicable) based on changes to Spirit’s senior unsecured debt rating provided by Standard & Poor’s Financial Services LLC and/or Moody’s Investors Service, Inc.
Debt Instrument, Payment Terms	The principal obligations under the Delayed Draw Term Loan are to be repaid in equal quarterly installments of $3.1, subject to adjustments for any extension of the availability period of the Delayed Draw Term Loan, commencing with the fiscal quarter ending June 27, 2019, and with the balance due at maturity of the Delayed Draw Term Loan.
Senior unsecured term loan A [Member]
Debt Instrument [Line Items]
Outstanding Balance Term Loan	$ 451.1
Debt Instrument, Periodic Payment, Principal	2.6
Secured Debt Term A [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 449.8		$ 204.7