Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2016

Valuation and Qualifying Accounts

TERADYNE, INC.

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

Column A	Column B		Column C		Column D		Column E		Column F
Description	Balance at Beginning of Period		Additions Charged to Cost and Expenses		Other		Deductions		Balance at End of Period
	(in thousands)
Valuation reserve deducted in the balance sheet from the asset to which it applies:
Accounts receivable:
2016 Allowance for doubtful accounts	$	2,407	$	—	$	—	$	51	$	2,356
2015 Allowance for doubtful accounts	$	2,491	$	—	$	—	$	84	$	2,407
2014 Allowance for doubtful accounts	$	2,912	$	55	$	—	$	476	$	2,491

Column A	Column B		Column C		Column D		Column E		Column F
Description	Balance at Beginning of Period		Additions Charged to Cost and Expenses		Other		Deductions		Balance at End of Period
	(in thousands)
Valuation reserve deducted in the balance sheet from the asset to which it applies:
Inventory:
2016 Inventory reserve	$	119,376	$	17,493	$	4,417	$	25,270	$	116,016
2015 Inventory reserve	$	111,252	$	21,332	$	1,680	$	14,888	$	119,376
2014 Inventory reserve	$	115,857	$	22,193	$	7,064	$	33,862	$	111,252

Column A	Column B		Column C		Column D		Column E		Column F
Description	Balance at Beginning of Period		Additions Charged to Cost and Expenses		Other		Deductions		Balance at End of Period
	(in thousands)
Valuation reserve deducted in the balance sheet from the asset to which it applies:
Deferred taxes:
2016 Valuation allowance	$	43,039	$	5,413	$	—	$	83	$	48,369
2015 Valuation allowance	$	41,737	$	1,322	$	—	$	20	$	43,039
2014 Valuation allowance	$	40,386	$	1,380	$	—	$	29	$	41,737