BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables)

6 Months Ended

Jun. 30, 2012

Inventories

Inventories included on the condensed consolidated balance sheets consisted of:

(in thousands of U.S. dollars)	June 30, 2012		December 31, 2011
Raw materials	$	23,241	$	28,075
Work in progress	7,125		13,045
Inventories	$	30,366	$	41,120

Summary of Costs and Ranges of Useful Lives of the Major Classes of Property, Plant and Equipment and Total Accumulated Depreciation related to Property, Plant and Equipment, Net

The following table summarizes the costs and ranges of useful lives of the major classes of property, plant and equipment and the total accumulated depreciation related to property, plant and equipment, net included on the condensed consolidated balance sheets:

	Useful Lives	June 30, 2012			December 31, 2011
	(in years)	(in thousands of U.S. dollars)
Land, at cost	N/A	$	7,176		$	7,167
Buildings, at cost	10 - 30	37,742			37,511
Machinery and equipment, at cost	3 - 20	226,823			217,764
Office furniture and equipment, at cost	3 - 10	235,591			236,994
Leasehold improvements, at cost	5 - 10	29,284			28,563
		536,616			527,999
Less accumulated depreciation		(398,546		)	(379,094		)
Property, plant and equipment, net		$	138,070		$	148,905