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

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- Definition

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

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- Definition

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.

+ References

No definition available.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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-Publisher FASB
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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt discount.

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- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

+ References

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- Definition

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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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

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Debt (Details Textual) - USD ($) $ in Thousands			3 Months Ended	9 Months Ended
Debt (Details Textual) - USD ($) $ in Thousands	Jan. 28, 2016	Oct. 09, 2014	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017	Dec. 30, 2017
Debt Instrument [Line Items]
Repayments of Term Loan				$ 300,000	$ 0
Unamortized discount				4,887		$ 5,631
Long-term Debt [Member] \| Term Loan Due 2019 [Member]
Debt Instrument [Line Items]
Aggregate principal amount, issued	$ 300,000			$ 0		300,000
Debt instrument, term	3 years
Debt instrument, maturity date				Jan. 28, 2019
Repayments of Term Loan			$ 300,000
Unamortized discount				$ 0		226
Senior Notes [Member] \| Senior Notes Due 2024 [Member]
Debt Instrument [Line Items]
Aggregate principal amount, issued		$ 350,000		350,000		350,000
Stated interest rate of Senior Notes		4.375%
Proceeds from Senior Notes, net		$ 342,400
Unamortized discount		1,400		$ 4,887		$ 5,405
Debt issuance costs		$ 6,200