Property, plant and equipment (Tables)

12 Months Ended

Dec. 31, 2011

Property, Plant And Equipment, Presented Net Of Accumulated Depreciation

Property, plant and equipment, presented net of accumulated depreciation in the consolidated balance sheets, consists of:

	December 31,
	2011 (Restated, see note 2)			2010 (Restated, see note 2)
Land and buildings	$	102,615		$	109,660
Equipment		111,144			116,444
Motor vehicles		15,671			15,884
Motor vehicles under lease		3,008			2,915
Computer hardware and software		25,486			14,794
Total gross book value		257,924			259,697
Less—Accumulated depreciation		(80,333	)		(69,221	)
Less—Accumulated depreciation of leases		(931	)		(596	)
Total	$	176,660		$	189,880