Note 2 - Stock-Based Compensation (Details) - RSU Summary (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014 Time-Based RSUs [Member]	Jun. 30, 2014 PSUs [Member]		Jun. 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	1,117,436	236,858	880,578	[1]
Awards granted (in Dollars per share)	$ 32.82	$ 34.54	$ 32.36
Performance adjustment	(140,524)		(140,524)	[2]
Performance adjustment (in Dollars per share)	$ 29.49		$ 29.49
Awards released	(530,736)	(281,602)	(249,134)
Awards released (in Dollars per share)	$ 18.82	$ 19.44	$ 18.12
Awards forfeited	(22,311)	(7,412)	(14,899)
Awards forfeited (in Dollars per share)	$ 18.68	$ 17.68	$ 19.18
Restricted Stock Units	4,005,953	702,150	1,503,803		1,800,000	1,800,000
Weighted-Average Grant Date Fair Value Per Share (in Dollars per share)	$ 25.67	$ 24.52	$ 28.73		$ 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.