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Long-Term Debt Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands | May 31, 2018 | Jun. 30, 2018 | Dec. 30, 2017
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Total debt |  | $ 296,831 | $ 276,648
Deferred debt issuance costs |  | (687) | 0
Current maturities of long-term debt |  | 434 | 36,648
Long-term debt |  | $ 296,397 | $ 240,000
Revolving credit facility with interest at a variable rate (June 30, 2018 - 3.3%; December 30, 2017 - 2.7%) |  |  |
Debt Instrument [Line Items] |  |  |
Stated Interest Rate Percentage |  | 3.30% | 2.70%
Total debt |  | $ 197,000 | $ 267,500
Seven-year fixed rate notes with an interest rate of 4.22% |  |  |
Debt Instrument [Line Items] |  |  |
Total debt |  | 50,000 | 0
Ten-year fixed rate notes with an interest rate of 4.40% |  |  |
Debt Instrument [Line Items] |  |  |
Total debt |  | 50,000 | 0
Other amounts |  |  |
Debt Instrument [Line Items] |  |  |
Total debt |  | $ 518 | $ 9,148
Ten-year fixed rate notes with an interest rate of 4.40% |  |  |
Debt Instrument [Line Items] |  |  |
Stated Interest Rate Percentage | 4.40% |  |
Note term | 10 years |  |
Seven-year fixed rate notes with an interest rate of 4.22% |  |  |
Debt Instrument [Line Items] |  |  |
Stated Interest Rate Percentage | 4.22% |  |
Note term | 7 years |  |

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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. + Details
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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 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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- 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. + 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)(3) -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 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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