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Revenue and Accounts Receivable, Net
 12 Months Ended
Dec. 31, 2022
Receivables [Abstract]  
Revenue and Accounts Receivable, Net Revenue and Accounts Receivable, Net
Revenue Details

The pattern of revenue recognition was as follows:
Year Ended December 31,
(In thousands)202220212020
Goods and services transferred at a point in time$450,227 $498,554 $495,033 
Goods and services transferred over time92,524 103,048 119,647 
Net sales$542,751 $601,602 $614,680 

Our net sales to external customers by geographic area were as follows: 
Year Ended December 31,
(In thousands)202220212020
United States$167,501 $200,136 $255,651 
Asia (excluding the PRC)127,702 127,140 117,142 
Europe103,993 126,551 108,185 
People's Republic of China85,215 87,866 88,246 
Latin America28,363 25,943 17,481 
Other29,977 33,966 27,975 
Total net sales$542,751 $601,602 $614,680 
Specific identification of the customer billing location was the basis used for attributing revenues from external customers to geographic areas.

Net sales to the following customer totaled more than 10% of our net sales: 
 Year Ended December 31,
 202220212020
 $ (thousands)% of Net
Sales		$ (thousands)% of Net
Sales		$ (thousands)% of Net
Sales
Comcast Corporation$78,781 14.5 %$98,361 16.3 %$123,574 20.1 %
Daikin Industries Ltd.$78,413 14.4 %$70,793 11.8 %$— 
(1)
— %
(1)
(1)     Sales associated with this customer did not total more than 10% of our net sales for the indicated period.

Accounts Receivable, Net

Accounts receivable, net were as follows:
December 31,
(In thousands)20222021
Trade receivables, gross$108,030 $122,508 
Allowance for credit losses(957)(1,285)
Allowance for sales returns(618)(592)
Trade receivables, net106,455 120,631 
Other (1)
5,891 8,584 
Accounts receivable, net$112,346 $129,215 
(1)      Other accounts receivable is primarily comprised of value added tax and supplier rebate receivables.

Allowance for Credit Losses

Changes in the allowance for credit losses were as follows:
(In thousands)Year Ended December 31,
202220212020
Balance at beginning of period$1,285 $1,412 $1,492 
Additions (reductions) to costs and expenses(182)— 332 
Cash receipts— — (157)
Write-offs/Foreign exchange effects(146)(127)(255)
Balance at end of period$957 $1,285 $1,412 

Trade receivables associated with this significant customer that totaled more than 10% of our accounts receivable, net were as follows:
December 31,
20222021
$ (thousands)% of Accounts Receivable, Net$ (thousands)% of Accounts Receivable, Net
Comcast Corporation$15,367 13.7 %$— 
(1)
— %
(1)
(1)     Trade receivables associated with this customer did not total more than 10% of our accounts receivable, net for the indicated period.