CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010
Operating Activities
Net loss	$ (1,083)	$ (40,363)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation, depletion and amortization	30,464	35,839
Gain on sales of property and equipment	(5,974)	(8,252)
Stock-based compensation	5,913	6,885
Gain on company owned life insurance	(536)	(1,748)
Changes in assets and liabilities, net of the effects of consolidations:
Receivables	(36,910)	(16,396)
Costs and estimated earnings in excess of billings, net	(39,391)	(57,152)
Inventories	(13,709)	(2,729)
Real estate held for development and sale	(1,159)	(6,245)
Equity in construction joint ventures	(12,937)	(5,491)
Other assets, net	5,680	12,691
Accounts payable	49,964	42,066
Accrued expenses and other liabilities, net	2,942	1,977
Net cash used in operating activities	(16,736)	(38,918)
Investing Activities
Purchases of marketable securities	(65,287)	(60,073)
Maturities of marketable securities	58,375	24,900
Proceeds from sale of marketable securities	19,268	10,000
Proceeds from company owned life insurance	0	2,078
Additions to property and equipment	(27,542)	(21,809)
Proceeds from sales of property and equipment	10,266	11,936
Purchase of private preferred stock	(50)	(6,400)
Other investing activities, net	170	(869)
Net cash used in investing activities	(4,800)	(40,237)
Financing Activities
Long-term debt principal payments	(16,151)	(18,155)
Cash dividends paid	(10,061)	(10,067)
Purchase of common stock	(3,662)	(3,434)
Distributions to noncontrolling partners, net	(11,616)	(19,797)
Other financing activities	1,073	102
Net cash used in financing activities	(40,417)	(51,351)
Decrease in cash and cash equivalents	(61,953)	(130,506)
Cash and cash equivalents at beginning of period	252,022	338,956
Cash and cash equivalents at end of period	190,069	208,450
Cash paid during the period for:
Interest	8,812	9,706
Income taxes	240	308
Non-cash investing and financing activities:
Restricted stock/units issued, net of forfeitures	4,598	6,908
Accrued cash dividends	5,027	5,043
Debt payments from sale of assets	$ 3,277	$ 4,400

The net change during the reporting period in the aggregate amount of expenses incurred but not yet paid. This element also represents the net change during the reporting period in other operating obligations not otherwise defined in the taxonomy.

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The increase (decrease) during the reporting period of the amount of revenue for work performed for which billing has not occurred, net of uncollectible accounts and the increase (decrease) during the reporting period in the liability reflecting cash payments received before the related costs have been incurred.

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The amount of noncash consideration received from the sale of real estate in the form of debt reduction. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Distributions to noncontrolling partners net of immaterial contributions.

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The cash inflow associated maturities (principal being due), prepayments and calls (requests of early payments) on securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities, combined with the cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity.

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Includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits are not generally reported as cash and cash equivalents. Includes cash and cash equivalents associated with the entity's continuing operations. Excludes cash and cash equivalents associated with the disposal group (and discontinued operation).

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The increase (decrease) during the reporting period in cash and cash equivalents. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.

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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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The aggregate amount of dividends declared, but not paid, as of the financial reporting date.

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The difference between the book value and the sale price of other nonspecific investments. This element is used when other, more specific, elements are not appropriate. This element refers to the gain (loss) included in earnings.

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The difference between the sale price or salvage price and the book value of a property, plant, and equipment asset that was sold or retired during the reporting period. This element refers to the gain (loss).

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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The increase (decrease) during the reporting period in the amount due from customers for the credit sale of goods and services; includes accounts receivable and other types of receivables.

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The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.

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The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.

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The increase (decrease) during the reporting period in other assets used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current assets, other noncurrent assets, or a combination of other current and noncurrent assets.

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The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.

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The net cash inflow or outflow from financing activity for the period.

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The net cash inflow or outflow from investing activity.

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The net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. Operating activities generally involve producing and delivering goods and providing services. Operating activity cash flows include transactions, adjustments, and changes in value that are not defined as investing or financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.

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The net cash outflow or inflow from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

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The cash outflow to reacquire common stock during the period.

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The cash outflow from the distribution of an entity's earnings in the form of dividends to common shareholders.

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The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity).

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The cash outflow from purchases of trading, available-for-sale securities and held-to-maturity securities.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow for proceeds from life insurance policies for which the entity is the beneficiary.

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The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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