CONSOLIDATED BALANCE SHEETS CONSOLIDATED BALANCE SHEET (PARENTHETICALS - Assets and Liabilities) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Cash and cash equivalents	$ 229,121		$ 321,990
Other noncurrent assets	76,580		84,392
Accounts payable	160,706		202,541
Billings in excess of cost	138,375		139,692
Accrued expenses and other current liabilities	197,242		169,979
Consolidated Construction Joint Venture [Member] | Joint Venture Consolidated [Member]
Cash and cash equivalents	38,800	[1]	105,865	[1]
Receivables, net	38,372		43,902
Accounts payable	16,937		34,536
Billings in excess of cost	60,185	[1]	72,490	[1]
Accrued expenses and other current liabilities	$ 11,299		$ 8,312

[1] The volume and stage of completion of contracts from our consolidated construction joint ventures may cause fluctuations in cash and cash equivalents as well as billings in excess of costs and estimated earnings between periods.