Fair Value Information for Financial Assets and Liabilities , as well as Cost or Amortized Cost (Detail) (USD $)	Sep. 30, 2011		Dec. 31, 2010
Current assets:
Cash equivalents (including restricted cash accounts)	$ 45,274,000		$ 14,370,000
Marketable securities	21,190,000
Derivatives			1,030,000	[1]
Non-current assets:
Auction rate securities			3,027,000	[2]
Current liabilities:
Derivatives	(12,227,000)	[3]
Assets, Net, Total	54,237,000		18,427,000
Cost Or Amortized Cost
Current assets:
Cash equivalents (including restricted cash accounts)	45,274,000		14,370,000
Marketable securities	20,867,000
Non-current assets:
Auction rate securities			4,011,000	[2]
Current liabilities:
Assets, Net, Total	66,141,000		18,381,000
Fair Value, Inputs, Level 1
Current assets:
Cash equivalents (including restricted cash accounts)	45,274,000		14,370,000
Marketable securities	21,190,000
Current liabilities:
Assets, Net, Total	66,464,000		14,370,000
Fair Value, Inputs, Level 2
Current assets:
Derivatives			1,030,000	[1]
Current liabilities:
Derivatives	(12,227,000)	[3]
Assets, Net, Total	(12,227,000)		1,030,000
Fair Value, Inputs, Level 3
Non-current assets:
Auction rate securities			3,027,000	[2]
Current liabilities:
Assets, Net, Total			$ 3,027,000

[1] Amounts relating to derivatives which represent currency forward contracts which are valued primarily based on observable inputs, including forward and spot prices for currencies, and are included within "receivables - others" in the balance sheet with the corresponding gain or loss being recognized within "foreign currency translation and transaction gains (losses)" in the condensed consolidated statement of operations and comprehensive income (loss).

[2] Included in the consolidated balance sheets as follows: December 31, 2010 (Dollars in thousands) Long-term marketable securities $ 1,287 Long-term restricted cash, cash equivalents and marketable securities 1,740 $ 3,027

[3] Including: (i) $11,052,000 relating to derivatives which represent interest rate lock transactions which are valued primarily based on observable inputs, including 10-year U.S. Treasury interest rates, and are included within "accounts payable and accrued expenses" in the balance sheet with the corresponding gain or loss being recognized within "interest expense, net" in the condensed consolidated statement of operations and comprehensive income (loss); and (ii) $1,175,000 relating to derivatives which represent currency forward contracts which are valued primarily based on observable inputs , including forward and spot prices for currencies, and are included within "accounts payable and accrued expenses in the balance sheet with the corresponding gain or loss being recognized within "foreign currency translation and transaction gains (losses)" in the condensed consolidated statement of operations and comprehensive income (loss).