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Business and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 29, 2018
Accounting Policies [Abstract] |
Estimated Useful Lives of Property and Equipment | Estimated useful lives of our property and equipment by major asset category are as follows:
Leasehold improvements |  | 5 to 15 years
Furniture and equipment |  | 3 to 15 years
Production machinery |  | 3 to 7 years
Computer equipment and software |  | 3 to 12 years
Schedule of Product Warranty Liability | The activity in the accrued warranty liabilities account was as follows (in thousands):
|  | 2018 |  |  | 2017 |  |  | 2016 |
Balance at beginning of period |  | $ | 9,320 |  |  | $ | 8,633 |  |  | $ | 10,028 |
Additions charged to costs and expenses for current-year sales |  |  | 12,385 |  |  |  | 12,214 |  |  |  | 9,034 |
Deductions from reserves |  |  | (11,743 | ) |  |  | (10,752 | ) |  |  | (10,016 | )
Changes in liability for pre-existing warranties during the current year, including expirations |  |  | 427 |  |  |  | (775 | ) |  |  | (413 | )
Balance at end of period |  | $ | 10,389 |  |  | $ | 9,320 |  |  | $ | 8,633 |
Summary of Deferred Rent | Deferred rent is included in our consolidated balance sheets as follows (in thousands):
|  | December 29, 2018 |  |  | December 30, 2017 |
Deferred rent included in: |  |  |  |  |  |  |  |
Other current liabilities |  | $ | 1,408 |  |  | $ | 1,447 |
Other non-current liabilities |  |  | 11,452 |  |  |  | 9,555 |
|  | $ | 12,860 |  |  | $ | 11,002 |
Summary of Deferred Lease Incentives | Deferred lease incentives are included in our consolidated balance sheets as follows (in thousands):
|  | December 29, 2018 |  |  | December 30, 2017 |
Deferred lease incentives included in: |  |  |  |  |  |  |  |
Other current liabilities |  | $ | 2,842 |  |  | $ | 2,784 |
Other non-current liabilities |  |  | 11,930 |  |  |  | 9,688 |
|  | $ | 14,772 |  |  | $ | 12,472 |

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- Definition Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References No definition available. + Details
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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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