Other Information about Segments (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Equity in loss of unconsolidated affiliates	$ (4,985)	$ (7,594)	$ (3,557)
Investments in Unconsolidated Affiliates	42,659	45,016
Asia Pacific
Equity in loss of unconsolidated affiliates	(4,432)	(1,663)
Investments in Unconsolidated Affiliates	37,855	41,471
Atlantic
Equity in loss of unconsolidated affiliates	(23)	(5,408)	(3,016)
Investments in Unconsolidated Affiliates	1,804	65
Corporate and other
Equity in loss of unconsolidated affiliates	(530)	(523)	(541)
Corporate
Investments in Unconsolidated Affiliates	$ 3,000	$ 3,480