Schedule II Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2017

Valuation and Qualifying Accounts [Abstract]

Schedule of Valuation and Qualifying Accounts Disclosure

L. B. FOSTER COMPANY AND SUBSIDIARIES

SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS

FOR THE YEARS ENDED DECEMBER 31, 2017, 2016, AND 2015

	Balance at Beginning of Year		Additions Charged to Costs and Expenses		Deductions (1)		Balance at End of Year
2017
Deducted from assets to which they apply:
Allowance for doubtful accounts	$	1,417	$	1,517	$	783	$	2,151
Valuation allowance for deferred tax assets	$	29,719	$	—	$	6,023	$	23,696
2016
Deducted from assets to which they apply:
Allowance for doubtful accounts	$	1,485	$	982	$	1,050	$	1,417
Valuation allowance for deferred tax assets	$	—	$	29,719	$	—	$	29,719
2015
Deducted from assets to which they apply:
Allowance for doubtful accounts	$	1,036	$	1,113	$	664	$	1,485

(1) Notes and accounts receivable written off as uncollectible.