Accounts Receivable

6 Months Ended

Jun. 30, 2013

Accounts Receivable [Abstract]

Accounts Receivable

10. Accounts Receivable

Accounts receivable includes trade receivables and revenue in excess of progress billings on Engineered Composites contracts accounted for under the percentage of completion method. The Company maintains allowances for doubtful accounts for estimated losses resulting from the inability of its customers to make required payments. The Company determines the allowance based on historical write-off experience, customer specific facts and economic conditions. If the financial condition of the Company's customers were to deteriorate, resulting in an impairment of their ability to make payments, additional allowances may be required.

The components of Accounts receivable are summarized below:

(in thousands)	June 30, 2013	December 31, 2012
Trade accounts receivable	$154,279	$149,737
Revenue in excess of progress billings	15,688	17,105
Receivables related to the sale of discontinued businesses	16,795	16,555
Less: allowance for doubtful accounts	(11,881)	(11,862)
Total Accounts receivable, net	$174,881	$171,535