Note 2 - Stock-Based Compensation (Details) - RSU Summary (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014 Time-Based RSUs [Member]	Sep. 30, 2014 PSUs [Member]		Sep. 30, 2014 MSUs [Member]	Dec. 31, 2013 MSUs [Member]
Note 2 - Stock-Based Compensation (Details) - RSU Summary [Line Items]
Restricted Stock Units	3,582,088	754,306	1,027,782		1,800,000	1,800,000
Weighted-Average Grant Date Fair Value Per Share (in Dollars per share)	$ 22.53	$ 19.41	$ 23.02		$ 23.57	$ 23.57
Awards granted	1,403,698	312,697	1,091,001	[1]
Awards granted (in Dollars per share)	$ 34.74	$ 36.52	$ 34.23
Performance adjustment	(141,626)		(141,626)	[2]
Performance adjustment (in Dollars per share)	$ 31.54		$ 31.54
Awards released	(654,654)	(378,142)	(276,512)
Awards released (in Dollars per share)	$ 19.07	$ 19.76	$ 18.12
Awards forfeited	(41,136)	(24,039)	(17,097)
Awards forfeited (in Dollars per share)	$ 19.80	$ 19.81	$ 19.79
Restricted Stock Units	4,148,370	664,822	1,683,548		1,800,000	1,800,000
Weighted-Average Grant Date Fair Value Per Share (in Dollars per share)	$ 25.90	$ 27.25	$ 27.87		$ 23.57	$ 23.57

[1] The number of PSUs granted reflects the maximum number of shares that can ultimately be earned assuming the achievement of the highest level of performanceconditions under the programs.

[2] The performance adjustment reflects the number of PSUs that have not been earned or may not ultimately be earned based on management's probabilityassessment.