Commitments and Contingent Liabilites (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013 property	Dec. 31, 2012
Product Liability Contingency [Line Items]
Standard Product Warranty Accrual	$ 7,761	$ 15,727
Reserve for Concrete Ties [Member]
Product Liability Contingency [Line Items]
Standard Product Warranty Accrual	6,940	14,837
Change in Estimate of Defective Product Requiring Replacement	0
Reserve for Environmental Costs [Member]
Product Liability Contingency [Line Items]
Estimated Litigation Liability	$ 2,092	$ 2,141
Loss Contingency, Request for Information	On January 11, 2012, CXT received a subpoena from the United States Department of Transportation Inspector General (IG) requesting records related to its manufacture of concrete railroad ties in Grand Island, NE. CXT and the Company have been cooperating fully with the IG.