BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables)

9 Months Ended

Sep. 30, 2013

Inventories included on the condensed consolidated balance sheets consisted of:



(in thousands of U.S. dollars)	September 30, 2013		December 31, 2012
Raw materials	$	27,844	$	30,960
Work in progress	8,861		12,293
Inventories	$	36,705	$	43,253

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	September 30, 2013			December 31, 2012
	(in years)	(in thousands of U.S. dollars)
Land, at cost	N/A	$	7,182		$	7,185
Buildings, at cost	10 - 30	38,118			37,961
Machinery and equipment, at cost	3 - 20	222,413			228,605
Office furniture and equipment, at cost	3 - 10	244,562			233,948
Leasehold improvements, at cost	5 - 10	29,154			28,916
		541,429			536,615
Less accumulated depreciation		(431,603		)	(410,783		)
Property, plant and equipment, net		$	109,826		$	125,832

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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