Schedule 2-Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2012

Valuation And Qualifying Accounts [Abstract]

Schedule 2-Valuation and Qualifying Accounts

Schedule 2—Valuation and Qualifying Accounts

For the years ended December 31, 2012, 2011 and 2010:

				Additions
(U.S. Dollars, in thousands) Provisions from assets to which they apply:	Balance at beginning of year			Charged to cost and expenses			Charged (credited) to other accounts			Deductions/ Other			Balance at end of year
2012		(Restated	)		(Restated	)		(Restated	)		(Restated	)		(Restated	)
Allowance for doubtful accounts receivable	$	9,341		$	10,387		$	(13	)	$	(6,172	)	$	13,543
Deferred tax valuation allowance		19,124			7,237			—			—			26,361
2011
Allowance for doubtful accounts receivable	$	6,542		$	12,879		$	(501	)	$	(9,579	)	$	9,341
Deferred tax valuation allowance		21,023			(1,899	)		—			—			19,124
2010
Allowance for doubtful accounts receivable	$	6,584		$	8,627		$	(4	)	$	(8,665	)	$	6,542
Deferred tax valuation allowance		17,239			3,784			—			—			21,023