XML 76 R23.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Business and Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 28, 2019
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

 
Warranty Liabilities The activity in the accrued warranty liabilities account was as follows (in thousands):

 

 

2019

 

 

2018

 

 

2017

 

Balance at beginning of period

 

$

10,389

 

 

$

9,320

 

 

$

8,633

 

Additions charged to costs and expenses for current-year sales

 

 

10,949

 

 

 

12,385

 

 

 

12,214

 

Deductions from reserves

 

 

(11,007

)

 

 

(11,743

)

 

 

(10,752

)

Change in liabilities for pre-existing warranties during the current

   year, including expirations

 

 

1,014

 

 

 

427

 

 

 

(775

)

Balance at end of period

 

$

11,345

 

 

$

10,389

 

 

$

9,320