Consolidated Statements Of Cash Flow (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net loss	$ (1,690)	$ (33,181)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	12,970	10,295
Stock-based compensation	8,609	4,730
Equity in loss of unconsolidated joint ventures	51	479
Deferred income tax (benefit)	1,118	(19,692)
Impairment losses	2,479	555
Pension charges	4,926	3,833
Cost of operating properties sold	7,626	3,260
Expenditures for operating properties	(21,438)	(9,487)
Changes in operating assets and liabilities:
Notes receivable	1,102	739
Other assets	3,083	373
Accounts payable and accrued liabilities	(1,085)	3,683
Income taxes payable	(2,625)	63,870
Net cash provided by operating activities	15,126	29,457
Cash flows from investing activities:
Purchases of property, plant and equipment	(1,586)	(1,117)
Proceeds from the disposition of assets	100	50
Contribution of capital to unconsolidated affiliates	(4,434)
Distributions from unconsolidated affiliates		401
Net cash used in investing activities	(5,920)	(666)
Cash flows from financing activities:
Proceeds from exercises of stock options	100	5,083
Repayments of other long term debt	(227)
Distributions to minority interest partner	(10)	(10)
Excess tax benefits from stock-based compensation	54	(227)
Taxes paid on behalf of employees related to stock-based compensation	(4,708)	(1,042)
Net cash (used in) provided by financing activities	(4,791)	3,804
Net increase in cash and cash equivalents	4,415	32,595
Cash and cash equivalents at beginning of period	183,827	163,807
Cash and cash equivalents at end of period	$ 188,242	$ 196,402