Property, plant and equipment

12 Months Ended

Dec. 31, 2013

Property, Plant and Equipment [Abstract]

4.	Property, plant and equipment


	December 31,
(U.S. Dollars in thousands)	2013			2012
	(Restated)			(Restated)
Cost
Buildings	$	4,075		$	3,911
Plant, equipment and instrumentation		133,427			121,370
Furniture and fixtures		5,872			5,567

		143,374			130,848
Accumulated depreciation		(89,002	)		(78,055	)

	$	54,372		$	52,793

Depreciation expense for the years ended December 31, 2013, 2012 and 2011 was $20.0 million, $15.8 million and $14.3 million, respectively.

- Definition

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

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