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Revolving Credit Facility (Details) | Oct. 09, 2017 USD ($) | Dec. 30, 2017 USD ($) | Aug. 04, 2006 USD ($)
--- | --- | --- | ---
Line of Credit Facility [Line Items] |  |  |
Minimum remaining borrowing capacity level before covered ratio is applicable | $ 42,500,000 |  |
Line of Credit |  |  |
Line of Credit Facility [Line Items] |  |  |
Minimum remaining borrowing capacity level before covered ratio is applicable | $ 35,000,000.0 |  |
Minimum percentage of maximum borrowing capacity or alternative base before covered ratio is applicable | 10.00% |  |
Fixed charge coverage ratio | 1.1 |  |
Coverage ratio applicable if certain conditions are met | 1.0 |  |
Capital expenditures limit per fiscal year | $ 30,000,000.0 |  |
Unused annual capital expenditures limit that may be used for capital expenditures in the following fiscal year | 15,000,000.0 |  |
Wells Fargo Bank | Letter of Credit | Line of Credit |  |  |
Line of Credit Facility [Line Items] |  |  |
Revolving credit facility maximum available credit | 335,000,000.0 |  | $ 335,000,000.0
Wells Fargo Bank | Revolving credit facility | Line of Credit |  |  |
Line of Credit Facility [Line Items] |  |  |
Revolving credit facility maximum available credit |  |  | 335,000,000.0
Additional borrowing capacity under uncommitted accordion feature | $ 75,000,000.0 |  |
Wells Fargo Bank | Revolving credit facility | U.S. |  |  |
Line of Credit Facility [Line Items] |  |  |
Outstanding lines of credit |  | $ 182,700,000 |
Revolving credit facility excess availability |  | $ 63,300,000 |
Interest rate on revolving credit facility |  | 4.20% |
Tranche A Loan | Wells Fargo Bank | Line of Credit |  |  |
Line of Credit Facility [Line Items] |  |  |
Debt instrument face amount |  |  | $ 16,000,000.0
Minimum | LIBOR | Line of Credit |  |  |
Line of Credit Facility [Line Items] |  |  |
Credit agreement interest rate | 2.25% |  |
Minimum | Administrative Agent's Base Rate | Line of Credit |  |  |
Line of Credit Facility [Line Items] |  |  |
Credit agreement interest rate | 0.75% |  |
Maximum | LIBOR | Line of Credit |  |  |
Line of Credit Facility [Line Items] |  |  |
Credit agreement interest rate | 2.75% |  |
Maximum | Administrative Agent's Base Rate | Line of Credit |  |  |
Line of Credit Facility [Line Items] |  |  |
Credit agreement interest rate | 1.25% |  |

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- Definition Line Of Credit Facility, Additional Borrowing Capacity Under Uncommitted Accordion Feature + References No definition available. + Details
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- Definition Line Of Credit Facility, Covenant Terms, Annual Capital Expenditures Limit + References No definition available. + Details
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- Definition Line Of Credit Facility, Covenant Terms, Maximum Portion Of Capital Expenditures Limit, Applicable To Next Fiscal Year + References No definition available. + Details
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- Definition Line Of Credit Facility, Covenant Terms, Minimum Fixed Charge Coverage Ratio + References No definition available. + Details
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- Definition Line Of Credit Facility, Covenant Terms, Minimum Fixed Charge Coverage Ratio, Applicable If Certain Conditions Are Met + References No definition available. + Details
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- Definition Line Of Credit Facility, Covenant Terms, Minimum Remaining Borrowing Capacity Before Fixed Covered Ratio Is Applicable + References No definition available. + Details
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- Definition Line Of Credit Facility, Covenant Terms, Minimum Remaining Borrowing Capacity Level For 60 Days Before Covered Ratio Is Not Applicable + References No definition available. + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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 + Details
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- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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