Commitments and Contingent Liabilites (Tables)

3 Months Ended

Mar. 31, 2015

Commitments and Contingent Liabilities [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

		Warranty Liability
Balance at December 31, 2014	$	11,500
Additions to warranty liability		252
Warranty liability utilized		(1,461)
Acquisitions		53
Balance at March 31, 2015	$	10,344

Environmental Loss Contingencies [Table Text Block]

		Environmental liability
Balance at December 31, 2014	$	3,344
Additions to environmental obligations		2
Environmental obligations utilized		(33)
Acquisitions		3,460
Balance at March 31, 2015	$	6,773