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Borrowings (Details 3) | Jun. 30, 2016 USD ($) | Dec. 30, 2018 USD ($) | Dec. 31, 2017 USD ($) | Apr. 13, 2017
--- | --- | --- | --- | ---
Additional disclosure |  |  |  |
Loan origination costs |  | $ 1,700,000 | $ 2,400,000 |
New Credit Facility |  |  |  |
Additional disclosure |  |  |  |
Maximum borrowing capacity | $ 20,000,000 |  |  |
Additional borrowing capacity subject to lender participation | 100,000,000 |  |  |
New Credit Facility | Other assets, net |  |  |  |
Additional disclosure |  |  |  |
Loan origination costs | 1,100,000 |  |  |
New Credit Facility | Revolving credit facility |  |  |  |
Additional disclosure |  |  |  |
Maximum borrowing capacity | $ 400,000,000 |  |  |
Amounts outstanding |  | $ 192,500,000 |  |
New Credit Facility | Revolving credit facility | Federal Funds Rate |  |  |  |
Additional disclosure |  |  |  |
Interest rate margin (as a percent) | 0.50% |  |  |
New Credit Facility | Revolving credit facility | LIBOR |  |  |  |
Additional disclosure |  |  |  |
Interest rate margin (as a percent) | 1.00% |  |  |
New Credit Facility | Revolving credit facility | Canadian Dealer Offered Rate (CDOR) |  |  |  |
Additional disclosure |  |  |  |
Interest rate margin (as a percent) | 1.00% |  |  |
Revolving credit facility | New Credit Facility |  |  |  |
Additional disclosure |  |  |  |
Lease adjusted leverage ratio threshold |  |  |  | 4.75
Revolving credit facility | Through October 1, 2017 | New Credit Facility |  |  |  |
Additional disclosure |  |  |  |
Lease adjusted leverage ratio |  |  |  | 5.25
Revolving credit facility | October 2, 2017 Through July 15, 2018 | New Credit Facility |  |  |  |
Additional disclosure |  |  |  |
Lease adjusted leverage ratio |  |  |  | 5.0
Revolving credit facility | July 16, 2018 And Thereafter | New Credit Facility |  |  |  |
Additional disclosure |  |  |  |
Lease adjusted leverage ratio |  |  |  | 4.75

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- Definition The maximum increase in borrowing capacity, subject to lender approval, under the credit facility. + 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://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 Reference 2: 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 3: 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(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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