Note 17 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Year Ended December 31.
(In thousands)	2011		2010			2009
Current income tax expense
Federal	$	83,569	$	91,325		$	87,402
State		1		11			(573	)
Total current		83,570		91,336			86,829
Deferred income tax (benefit)		24,469		(32,840	)		3,796
Total provision	$	108,039	$	58,496		$	90,625

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Year Ended December 31,
(In thousands)	2011		2010		2009
Tax at U.S. statutory rate on income before income taxes	$	107,600	$	52,630	$	98,100
Change in valuation allowance		-		296		4,891
State taxes		1		11		(573	)
Net operating loss re-establishment		-		-		(9,174	)
Non-deductible loss on retirement or conversion of convertible notes		-		4,960		-
Other		438		599		(2,619	)
Total	$	108,039	$	58,496	$	90,625

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	December 31,
(In thousands)	2011			2010
Deferred tax assets:
Net operating loss carryforwards	$	7,308		$	7,930
Research and other tax credits		5,743			5,743
Intangible assets		7,403			8,952
Stock-based compensation		273			339
Reserves and accruals		10,087			32,541
Deferred revenue		600			599
Unrealized loss on foreign currency hedge contracts		1,031			-
Other		974			506
Total deferred tax assets		33,419			56,610
Valuation allowance		(10,930	)		(10,930	)
Total deferred tax assets, net of valuation allowances		22,489			45,680
Deferred tax liabilities:
Deferred gain on repurchase of convertible notes		(954	)		(1,079	)
Unrealized gain on foreign currency hedge contracts		-			(2,079	)
Total deferred tax liabilities		(954	)		(3,158	)
Net deferred tax assets	$	21,535		$	42,522

Summary of Income Tax Contingencies [Table Text Block]

	December 31,
(In thousands)	2011		2010
Balance at the beginning of the year	$	23,061	$	23,116
Expiration of statute of limitations for the assessment of taxes		-		(55	)
Balance at the end of the year	$	23,061	$	23,061