Domestic and Foreign Long-Lived Assets (Property, Plant and Equipment, Net) (Detail) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net (Note 1)	$ 157,000	$ 175,567
UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net (Note 1)	148,700	166,800
Foreign
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net (Note 1)	$ 8,300	$ 8,800