XML 35 R22.htm IDEA: XBRL DOCUMENT v3.22.0.1
Guarantees
12 Months Ended
Dec. 31, 2021
Guarantees [Abstract]  
Guarantees Guarantees
We provide warranties on certain of our products at the time of sale and sell extended warranties.  The standard warranty period for our capital equipment is generally one year and our extended warranties typically vary from one to three years.  Liability under service and warranty policies is based upon a review of historical warranty and service claim experience.  Adjustments are made to accruals as claim data and historical experience warrant.

Changes in the carrying amount of standard warranties for the year ended December 31, are as follows:

 202120202019
Balance as of January 1,$1,826 $2,186 $1,585 
Provision for warranties1,458 783 1,699 
Claims made(940)(1,143)(1,098)
Balance as of December 31,$2,344 $1,826 $2,186 

Costs associated with extended warranty repairs are recorded as incurred and amounted to $6.8 million, $6.1 million and $5.3 million for the years ended December 31, 2021, 2020 and 2019 respectively.