Note 5 - Foreign Currency Hedging (Detail) - Derivative Instruments Designated as Cash Flow Hedges Effect on Other Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012		Jun. 30, 2011
Net gain (loss) recognized in OCI, net of tax (1)	$ 7,086	[1]	$ (1,695)	[1]	$ 1,603	[1]	$ (8,675)	[1]
Gain (loss) reclassified from accumulated OCI into royalty revenue, net of tax (2)	(1,864)	[2]	(218)	[2]	(670)	[2]	586	[2]
Net gain (loss) recognized in interest and other income, net (3)	57	[3]	(19)	[3]	(27)	[3]	(19)	[3]
Amount excluded from effectiveness testing	$ 0		$ 0		$ 0		$ 0

[1] Net change in the fair value of the effective portion of cash flow hedges classified in other comprehensive loss (OCL)

[2] Effective portion classified as royalty revenue

[3] Ineffective portion classified as interest and other income, net