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Reconciliation of Debt Issuance Costs and Debt Discounts to the Net Carrying Value for Each Debt Obligation (Excluding Line of Credit Arrangements) (Detail) - USD ($) $ in Thousands | Apr. 20, 2019 | Dec. 29, 2018 | Sep. 28, 2016 | Apr. 03, 2012
--- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |
Face Value | $ 806,250 | $ 808,750 |  |
Debt Issuance Costs and Debt Discount | 5,787 | 6,156 |  |
Net Carrying Value | 800,463 | 802,594 |  |
Other Notes Payable |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Face Value | 6,250 | 8,750 |  |
Debt Issuance Costs and Debt Discount | 85 | 129 |  |
Net Carrying Value | 6,165 | 8,621 |  |
2026 Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Face Value | 400,000 | 400,000 | $ 400,000 |
Debt Issuance Costs and Debt Discount | 4,274 | 4,450 |  |
Net Carrying Value | 395,726 | 395,550 |  |
2022 Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Face Value | 400,000 | 400,000 |  | $ 400,000
Debt Issuance Costs and Debt Discount | 1,428 | 1,577 |  |
Net Carrying Value | $ 398,572 | $ 398,423 |  |

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- Definition Amount of unamortized debt discount (premium) and debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
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