Fair Value Measurements Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 28, 2020	Dec. 29, 2019
Reported Value Measurement
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Cash equivalents	$ 135,063	$ 114,992
Other investments in equity securities	175	639
Reported Value Measurement \| Series 2019-1 Class A-2-I Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	392,000	398,000
Reported Value Measurement \| Series 2019-1 Class A-2-II Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	441,000	447,750
Reported Value Measurement \| Series 2018-1 Class A-2-I Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	438,750	441,000
Reported Value Measurement \| Series 2018-1 Class A-2-II Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	463,125	465,500
Reported Value Measurement \| Series 2015-1 Class A-2-III Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	476,250	478,750
Reported Value Measurement \| Series 2019-1 Class A-1 Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	120,000	0
Reported Value Measurement \| U.S. advertising fund revolving line of credit
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	25,000	0
Reported Value Measurement \| Canadian revolving credit facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	4,019	0
Reported Value Measurement \| 7% Debentures
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	83,415	82,837
Estimate of Fair Value Measurement \| Fair Value, Inputs, Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Cash equivalents	135,063	114,992
Estimate of Fair Value Measurement \| Fair Value, Inputs, Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Other investments in equity securities	175	1,649
Estimate of Fair Value Measurement \| Series 2019-1 Class A-2-I Notes \| Fair Value, Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	410,071	405,152
Estimate of Fair Value Measurement \| Series 2019-1 Class A-2-II Notes \| Fair Value, Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	468,518	459,136
Estimate of Fair Value Measurement \| Series 2018-1 Class A-2-I Notes \| Fair Value, Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	451,298	444,859
Estimate of Fair Value Measurement \| Series 2018-1 Class A-2-II Notes \| Fair Value, Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	487,624	475,718
Estimate of Fair Value Measurement \| Series 2015-1 Class A-2-III Notes \| Fair Value, Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	488,490	490,531
Estimate of Fair Value Measurement \| Series 2019-1 Class A-1 Notes \| Fair Value, Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	116,100	0
Estimate of Fair Value Measurement \| U.S. advertising fund revolving line of credit \| Fair Value, Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	25,000	0
Estimate of Fair Value Measurement \| Canadian revolving credit facility \| Fair Value, Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	4,019	0
Estimate of Fair Value Measurement \| 7% Debentures \| Fair Value, Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt instrument	$ 83,415	$ 94,838

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

No definition available.

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

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- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=116654751&loc=SL75117539-209714

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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.

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