Accounts Receivable (Tables)

6 Months Ended

Jun. 30, 2011

Accounts Receivable [Abstract]

Accounts Receivable, Net

The components of accounts receivable, net are as follows:

($ in thousands)	June 30, 2011			December 31, 2010
End user	$	555,999		$	627,573
Other		19,433			14,306
Less: Allowance for doubtful accounts		(61,580	)		(73,571	)
Accounts receivable, net	$	513,852		$	568,308