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Debt: Line of Credit (Details) - Private Bank, Trust Company and BMO Harris Bank N A $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 30, 2017 USD ($) item | Jul. 31, 2017 USD ($) | Apr. 30, 2015 USD ($)
One month LIBOR |  |  |
Line of Credit |  |  |
Variable rate basis | one month LIBOR |  |
Two month LIBOR |  |  |
Line of Credit |  |  |
Variable rate basis | two month LIBOR |  |
Three month LIBOR |  |  |
Line of Credit |  |  |
Variable rate basis | three month LIBOR |  |
Six month LIBOR |  |  |
Line of Credit |  |  |
Variable rate basis | six month LIBOR |  |
Twelve month LIBOR |  |  |
Line of Credit |  |  |
Variable rate basis | twelve month LIBOR |  |
Line of Credit |  |  |
Line of Credit |  |  |
Borrowings outstanding | $ 35.4 |  |
Terms notes, available borrowing to fund Tender Offer |  | $ 15.0 | $ 30.0
Automatic deduction in the aggregate commitments under the line of credit effective July 2019 and each subsequent July thereafter through the term of the facility |  | $ 5.0 |
Line of credit available for additional borrowings | $ 14.6 |  |
Number of interest rate options | item | 2 |  |
Non-utilization fees (as a percent) | 0.25% |  |
Line of Credit | Minimum |  |  |
Line of Credit |  |  |
Interest rate (as a percent) | 3.42% |  |
Line of Credit | Maximum |  |  |
Line of Credit |  |  |
Interest rate (as a percent) | 4.50% |  |
Line of Credit | Base Rate |  |  |
Line of Credit |  |  |
Variable rate basis | Base Rate |  |
Applicable margin (as a percent) | 0.00% |  |
Line of Credit | LIBOR |  |  |
Line of Credit |  |  |
Variable rate basis | LIBOR |  |
Applicable margin (as a percent) | 2.00% |  |

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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + 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 Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + 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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- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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- Definition Represents the financing available in the form of term notes to be used to partially fund the Tender Offer. + References No definition available. + Details
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- Definition Represents the amount of automatic deduction in the aggregate commitments under the line of credit effective July 2019 and each subsequent July thereafter through the term of the facility. + References No definition available. + Details
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- Definition Represents the number of interest rate options that the line of credit allows the entity to choose from, in relation with its borrowings. + References No definition available. + Details
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