Commitments and Contingent Liabilites (Tables)

9 Months Ended

Sep. 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		23,993
Warranty liability utilized		(2,512)
Balance at September 30, 2012	$	28,113