Additional Cash Flow Information (Non-Cash Activities and Supplemental Information to Condensed Consolidated Statements of Cash Flows) (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Non-cash operating items:
Equity in net (income) loss of affiliates	$ (37,102)	$ 7,076
Deferred taxes	14,852	26,688
Depreciation and amortization	53	97
Stock based compensation	804	777
Amortization of prior service credits and net actuarial gain	508	122
Gain on disposition of net assets		(5,118)
Unrealized gain on non-qualified pension plan assets	(108)	(66)
(Gain) loss on foreign currency transactions and contracts	(1,316)	71
Net non-cash operating items - continuing operations	(22,309)	29,647
Non-cash operating items - discontinued operations	47,955	34,543
Non-cash investing activities:
Capital expenditures incurred not yet paid - discontinued operations	3,696	5,315
Supplemental information:
Interest paid - continuing operations	87	106
Interest paid - discontinued operations	1,517	1,402
Tax payments net of refunds	$ 86	$ 5,921