Commitments and Contingent Liabilites (Tables)

6 Months Ended

Jun. 30, 2012

Commitments and Contingent Liabilities [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

		In thousands
Balance at December 31, 2011		$6,632
	Additions to warranty liability	20,494
	Warranty liability utilized	(1,817)
Balance at June 30, 2012		$25,309