The following table provides detail of selected balance sheet items:



(dollars in thousands)	June 30, 2013		December 31, 2012
Accounts receivable:
Trade receivables	$	90,189	$	79,624
Other receivables	1,293		1,226
Total accounts receivable, less allowances of $5,834 and $5,703	$	91,482	$	80,850

Inventories:
Finished goods	$	157,364	$	139,888
Work in process	1,660		1,188
Raw materials	4,709		4,828
Repair parts	10,589		10,283
Operating supplies	1,589		1,362
Total inventories, less allowances of $4,606 and $4,091	$	175,911	$	157,549

Prepaid and other current assets:
Value added tax	$	7,062	$	3,850
Prepaid expenses	6,744		5,036
Deferred and prepaid income taxes	5,736		4,070
Derivative asset	458		41
Total prepaid and other current assets	$	20,000	$	12,997

Other assets:
Deposits	$	880	$	936
Finance fees — net of amortization	11,388		13,539
Other assets	2,072		3,825
Total other assets	$	14,340	$	18,300

Accrued liabilities:
Accrued incentives	$	21,304	$	17,783
Workers compensation	6,607		7,128
Medical liabilities	3,790		3,537
Interest	3,365		3,732
Commissions payable	1,366		1,478
Contingency liability	—		2,719
Restructuring liability	1,523		—
Other accrued liabilities	8,227		6,486
Total accrued liabilities	$	46,182	$	42,863

Other long-term liabilities:
Deferred liability	$	6,266	$	5,591
Derivative liability	1,824		—
Other long-term liabilities	4,014		4,481
Total other long-term liabilities	$	12,104	$	10,072