Accounts Receivable Reserves (Tables)

12 Months Ended

Dec. 31, 2011

Accounts Receivable Reserves [Abstract]

Components Of Accounts Receivable

	As of
	December 31, 2011			December 31, 2010
Gross accounts receivable	$	156,790		$	131,602
Accounts receivable reserves		(1,560	)		(1,459	)
Accounts receivable, net	$	155,230		$	130,143