Receivables and Inventories

9 Months Ended

Sep. 30, 2011

Receivables and Inventories [Abstract]

Receivables and Inventories

Note 5 — Receivables and Inventories

Receivables — Receivables consist of the following:

	September 30,			December 31,
(In thousands)	2011			2010
Gross trade receivables	$	243,574		$	193,349
Allowance for doubtful accounts		(2,055	)		(5,839	)
Net trade receivables		241,519			187,510
Other receivables		12,076			9,289
Total receivables, net	$	253,595		$	196,799

During 2011, $5.2 million of fully reserved trade receivables were written off against the allowance for doubtful accounts.

Inventories — Our inventories include $155.4 million and $122.5 million of raw materials and components for our drilling fluids systems at September 30, 2011 and December 31, 2010, respectively. The remaining balance consists primarily of composite mat finished goods.