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Components of Current and Long-Term Debt (Detail) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 30, 2017 | Nov. 29, 2017
--- | --- | --- | ---
Debt Instrument |  |  |  |
Total Debt |  | $ 1,820,750 | $ 1,865,000 |
Less: Current Portion |  | 77,000 | 82,750 |
Unamortized Deferred Financing Costs |  | 10,692 | 11,205 |
Unamortized Debt Discount |  | 29,333 | 30,433 |
Total Long-Term Debt |  | $ 1,703,725 | $ 1,740,612 |
Effective Interest Rate | [1] | 7.15% | 4.96% |
Former Tranche B-2 Term Facility due April 2, 2020 |  |  |  |
Debt Instrument |  |  |  |
Total Debt |  | $ 0 | $ 0 |
Unamortized Deferred Financing Costs |  | 0 | 0 |
Unamortized Debt Discount |  | $ 0 | $ 0 |
Effective Interest Rate | [1] | 0.00% | 4.76% |
New Term Loan due November 29, 2024 |  |  |  |
Debt Instrument |  |  |  |
Total Debt |  | $ 1,520,750 | $ 1,540,000 |
Unamortized Deferred Financing Costs |  | 9,360 | 9,783 |
Unamortized Debt Discount |  | $ 29,333 | $ 30,433 |
Effective Interest Rate | [1] | 6.93% | 6.84% |
Notes due December 1, 2025 |  |  |  |
Debt Instrument |  |  |  |
Total Debt |  | $ 300,000 | $ 300,000 | $ 300,000
Unamortized Deferred Financing Costs |  | 1,332 | 1,422 |
Unamortized Debt Discount |  | $ 0 | $ 0 |
Effective Interest Rate | [1] | 8.51% | 8.82% |
New Revolving Credit Facility due November 29, 2022 |  |  |  |
Debt Instrument |  |  |  |
Total Debt |  | $ 0 | $ 25,000 | $ 150,000
Unamortized Deferred Financing Costs |  | 0 | 0 |
Unamortized Debt Discount |  | $ 0 | $ 0 |
Effective Interest Rate | [1] | 4.32% | 4.15% |
[1] | Includes amortization of deferred financing costs and debt discount. For fiscal 2017, the effective interest rate for the tranche B-2 term facility of the Company’s then-existing term loan facility was computed based on interest expense incurred over the period for which borrowings were outstanding.

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