Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2012

Accounts, Notes, Loans and Financing Receivable [Line Items]

Schedule Of Accounts Receivable, Net [Table Text Block]

		2012		2011
		In thousands
Trade	$	59,308	$	66,287
Allowance for doubtful accounts		(899)		(1,725)
		58,409		64,562
Other		1,264		1,934
	$	59,673	$	66,496

Operating Segments [Member]

Accounts, Notes, Loans and Financing Receivable [Line Items]

Schedule Of Accounts Receivable, Net [Table Text Block]

		2012		2011
		In thousands
Rail	$	34,886	$	31,800
Construction		18,677		29,430
Tubular		4,846		3,332
	$	58,409	$	64,562