Valuation And Qualifying Accounts

12 Months Ended

Dec. 31, 2017

Valuation and Qualifying Accounts [Abstract]

Valuation and Qualifying Accounts

Materion Corporation and Subsidiaries

Schedule II—Valuation and Qualifying Accounts

Years Ended December 31, 2017, 2016, and 2015

Column A	Column B		Column C					Column D			Column E
(Thousands)	Balance at Beginning of Period		ADDITIONS					Deduction			Balance at End of Period
			Charged to  Costs and Expenses			Charged to  Other Accounts
Year ended December 31, 2017
Deducted from asset accounts:
Allowance for doubtful accounts receivable	$	857	$	84		$	—	$	301	(A)	$	640
Inventory reserves and obsolescence	14,407		3,521			—		4,752		(B)	13,176
Year ended December 31, 2016
Deducted from asset accounts:
Allowance for doubtful accounts receivable	$	1,197	$	(34	)	$	—	$	306	(A)	$	857
Inventory reserves and obsolescence	7,869		10,564			—		4,026		(B)	14,407
Year ended December 31, 2015
Deducted from asset accounts:
Allowance for doubtful accounts receivable	$	1,578	$	692		$	—	$	1,073	(A)	$	1,197
Inventory reserves and obsolescence	8,193		3,842			—		4,166		(B)	7,869

Note (A) - Bad debts written-off, net of recoveries

Note (B) - Inventory write-off