Allowances For Doubtful Accounts

12 Months Ended

Dec. 31, 2011

Allowances For Doubtful Accounts [Abstract]

Allowances For Doubtful Accounts

7. Allowances for Doubtful Accounts

Changes in the allowance for doubtful accounts during each of the three years in the period ended December 31, were as follows:

	Year ended December 31,
	2011			2010		2009
Balance, beginning of year	$	20,357		$	10,066	$	11,768
Effect of FX movement on opening balance		(2,725	)		1,770		454
Change in provision for bad debts – reported in statement of operations		5,480			8,521		5,194
Charge-offs, net of recoveries		0			0		(7,350	)
Balance, end of year	$	23,112		$	20,357	$	10,066