Receivables, Net (Tables)

9 Months Ended

Sep. 30, 2014

Receivables [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

Receivables, net at September 30, 2014, December 31, 2013 and September 30, 2013 are as follows:

(in thousands)	September 30, 2014		December 31, 2013		September 30, 2013
Construction and Large Project Construction contracts:
Completed and in progress	$	274,203	$	193,538	$	275,182
Retentions	79,475		73,103		76,114
Total construction contracts	353,678		266,641		351,296
Construction Material sales	54,718		36,813		55,466
Other	9,740		12,657		18,412
Total gross receivables	418,136		316,111		425,174
Less: allowance for doubtful accounts	508		2,513		2,565
Total net receivables	$	417,628	$	313,598	$	422,609

Schedule Of Escrow and Non Escrow Retention Receivable [Table Text Block]

We segregate our retention receivables into two categories: escrow and non-escrow. The balances in each category were as follows:

(in thousands)	September 30, 2014		December 31, 2013		September 30, 2013
Escrow	$	26,128	$	25,124	$	23,794
Non-escrow	53,347		47,979		52,320
Total retention receivables	$	79,475	$	73,103	$	76,114