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Long-Term Debt Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands | Sep. 29, 2018 | May 31, 2018 | Dec. 30, 2017
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Total debt | $ 250,054 |  | $ 276,648
Deferred debt issuance costs | (666) |  | 0
Current maturities of long-term debt | 720 |  | 36,648
Long-term debt | $ 249,334 |  | $ 240,000
Revolving credit facility with interest at a variable rate (September 29, 2018 - 3.4%; December 30, 2017 - 2.7%) |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate | 3.40% |  | 2.70%
Total debt | $ 150,000 |  | $ 267,500
Fixed rate notes due in 2025 with an interest rate of 4.22% |  |  |
Debt Instrument [Line Items] |  |  |
Total debt | 50,000 |  | 0
Fixed rate notes due in 2028 with an interest rate of 4.40% |  |  |
Debt Instrument [Line Items] |  |  |
Total debt | 50,000 |  | 0
Other amounts |  |  |
Debt Instrument [Line Items] |  |  |
Total debt | $ 720 |  | $ 9,148
Fixed rate notes due in 2025 with an interest rate of 4.22% |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate | 4.22% | 4.22% |
Fixed rate notes due in 2028 with an interest rate of 4.40% |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate | 4.40% | 4.40% |

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