Accounts Receivable (Tables)

9 Months Ended

Sep. 30, 2011

Accounts Receivable [Abstract]

Accounts Receivable, Net

The components of accounts receivable, net are as follows:

($ in thousands)	September 30, 2011			December 31, 2010
End user	$	559,411		$	627,573
Other		28,747			14,306
Less: Allowance for doubtful accounts		(60,763	)		(73,571	)
Accounts receivable, net	$	527,395		$	568,308