CONSOLIDATED BALANCE SHEETS CONSOLIDATED BALANCE SHEET (PARENTHETICALS - Assets and Liabilities) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
Cash and cash equivalents	$ 255,961		$ 229,121
Property and equipment, net ($11,969 and $22,216 related to CCJVs)	409,653		436,859
Accounts payable	151,935		160,706
Billings in excess of costs and estimated earnings	108,992		138,375
Accrued expenses and other current liabilities	200,652		197,242
Consolidated Construction Joint Venture [Member] | Joint Venture Consolidated [Member]
Cash and cash equivalents	61,276	[1]	38,800	[1]
Receivables, net	36,781		38,372
Property and equipment, net ($11,969 and $22,216 related to CCJVs)	11,969		22,216
Accounts payable	18,009		16,937
Billings in excess of costs and estimated earnings	32,830	[1]	60,185	[1]
Accrued expenses and other current liabilities	$ 2,714		$ 11,299

[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 costs in excess of billings and estimated earnings between periods.