Accrued Warranty Costs (Tables)

6 Months Ended

Jun. 30, 2012

Accrued Warranty Costs [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

The following table presents the changes in the Company's accrued warranty liability:

	Six Months Ended June 30,
	2012			2011
Balance, beginning of period	$	29,863		$	28,183
Payments	(8,179		)	(6,455		)
Accruals for warranties	5,309			5,796
Currency impact	(603		)	1,306
Balance, end of period	$	26,390		$	28,830