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Warranty Liability
 6 Months Ended
Jun. 27, 2020
Product Warranties Disclosures [Abstract]  
Warranty Liability Warranty Liability
Warranty terms vary from one year to lifetime on certain window and door components. Warranties are normally limited to servicing or replacing defective components for the original customer. Product defects arising within six months of sale are classified as manufacturing defects and are not included in the current period expense below. Some warranties are transferable to subsequent owners and are either limited to 10 years from the date of manufacture or require pro-rata payments from the customer. A provision for estimated warranty costs is recorded at the time of sale based on historical experience and is periodically adjusted to reflect actual experience.
An analysis of our warranty liability is as follows:
(amounts in thousands)
June 27,
2020
 
June 29,
2019
Balance as of January 1
$
49,716

 
$
46,468

Current period expense
10,024

 
9,309

Liabilities assumed due to acquisition
—

 
79

Experience adjustments
2,293

 
1,549

Payments
(11,985
)
 
(11,109
)
Currency translation
(381
)
 
209

Balance at period end
49,667

 
46,505

Current portion
(20,310
)
 
(19,692
)
Long-term portion
$
29,357

 
$
26,813


The most significant component of our warranty liability is in the North America segment, which totaled $44.9 million at June 27, 2020, after discounting future estimated cash flows at rates between 0.76% and 4.75%. Without discounting, the liability would have been higher by approximately $2.7 million.