Note A - Summary Of Significant Accounting Policies (Detail) - Balances Maintained In Foreign Bank Accounts (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash and cash equivalents – foreign bank accounts	$ 42,711	$ 28,701	$ 49,164	$ 139,663
Foreign Bank Accounts [Member]
Cash and cash equivalents – foreign bank accounts	$ 22,470	$ 17,232