(3)

Balance Sheet Related Information

We are exposed to credit risk on certain assets, primarily accounts receivable. We provide credit to customers in the ordinary course of business and perform ongoing credit evaluations. Concentrations of credit risk with respect to trade receivables are limited due to the large number of customers comprising our customer base. We believe our allowance for doubtful accounts is sufficient to cover customer credit risks. The allowance for doubtful accounts as of and the activity for the years ended December 31 was as follows:


	2011		2010		2009
Balance at the beginning of the year	$	6,034	$	5,757	$	5,896
Charged to expense (income)		3,307		2,405		2,561
Write-offs and currency translation adjustments		(2,746)		(2,128)		(2,700)

Balance at the end of the year		6,595		6,034		5,757

Inventories at December 31 consisted of:


	2011		2010
Crude stockpile inventories	$	54,637	$	35,308
In-process and finished goods inventories		65,975		47,510
Other raw material, container, and supplies inventories		25,970		24,697

		146,582		107,515

Included within Other raw material, container, and supplies inventories in the table above is our reserve for slow moving and obsolete inventory. The balance of this reserve as of and the activity for the years ended December 31 was as follows:


	2011		2010		2009
Balance at the beginning of the year	$	2,730	$	2,136	$	1,989
Charged to costs and expenses		2,126		4,001		917
Disposals and currency translation adjustments		(2,705)		(3,407)		(770)

Balance at the end of the year		2,151		2,730		2,136

The following table presents our reclamation liability at the end of and changes during each of the years presented:

		00000000000		00000000000
	2011		2010
Balance at beginning of the year	$	7,529	$	6,584
Settlement of obligations		(4,304)		(2,185)
Liabilities incurred and accretion expense		6,454		3,020
Currency translation adjustments		(423)		110

Balance at the end of the year		9,256		7,529

Accrued liabilities at December 31 consisted of:

		000000000		000000000
	2011		2010
Bonus	$	9,752	$	8,213
Employee benefits and related costs		9,961		8,498
Dividends payable		5,698		5,612
Other		33,539		32,881

		58,950		55,204

Accumulated other comprehensive income (loss) at December 31 was comprised of the following components:

		000000000		000000000
	2011		2010
Cumulative foreign currency translation	$	346	$	24,905
Prior service cost on pension plans (net of tax benefit of $113 in 2011 and $134 in 2010)		(195)		(232)
Net actuarial loss on pension plans (net of tax benefit of $6,944 in 2011 and $1,938 in 2010)		(11,912)		(3,358)
Unrealized loss on interest rate swap agreement (net of tax benefit of $3,329 in 2011 and $2,440 in 2010)		(5,710)		(4,226)
Unrealized gain on available-for-sale securities (net of tax expense of $0 in 2011 and $1,022 in 2010)		2,503		11,847

		(14,968)		28,936