Schedule of Deferred Grants 2 (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012		Dec. 31, 2011
Deferred Grant [Line Items]
Total deferred grants	$ 8,624		$ 9,333
Less: Property grants - short-term		[1]		[1]
Less: Employment grants - short-term	(765)	[1]	(770)	[1]
Total long-term deferred grants	$ 7,859	[2]	$ 8,563	[2]

[1] Included in "Other accrued expenses and current liabilities" in the accompanying Condensed Consolidated Balance Sheets.

[2] Included in "Deferred grants" in the accompanying Condensed Consolidated Balance Sheets.