Accounts Receivable

12 Months Ended

Dec. 31, 2015

Accounts Receivable

Accounts Receivable

Note 2: Accounts Receivable

Accounts receivable, net consists of the following:

December 31,	2015			2014
(in thousands)
Trade receivables:
Billed	$	190,567		$	521,693
Unbilled		40,731			125,363
Other receivables		11,494			3,025
Total		242,792			650,081
Less: allowance for doubtful accounts		(10,605	)		(15,351	)
Accounts receivable, net	$	232,187		$	634,730

Trade receivables relate to sale of our services and products, for which credit is extended based on our evaluation of the customer’s credit worthiness. Unbilled receivables represent revenues earned but not billed to the customer until future dates, usually within one month. Other receivables consist primarily of amounts due from purchases of Company property and rebates from suppliers.

Changes in the Company’s allowance for doubtful accounts are as follows:

Years Ended December 31,	2015			2014
(in thousands)
Beginning balance	$	15,351		$	13,497
Bad debt		(2,958	)		2,280
Accounts written-off		(2,825	)		(1,225	)
Recoveries		1,037			799
Ending balance	$	10,605		$	15,351