Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

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