Note 14 - Equity Based Compensation (Details) - Information Regarding Stock Options under Plan that are Outstanding and Exerciable (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Range One [Member]
Note 14 - Equity Based Compensation (Details) - Information Regarding Stock Options under Plan that are Outstanding and Exerciable [Line Items]
Exercise price or range of exercise prices, minimum	$ 93.20
Exercise price or range of exercise prices, maximum	$ 106.40
Number of stock options outstanding and exercisable (in Shares)	2,500
Weighted-average remaining contractual life (years)	240 days
Weighted-average exercise price	$ 94.52
Range Two [Member]
Note 14 - Equity Based Compensation (Details) - Information Regarding Stock Options under Plan that are Outstanding and Exerciable [Line Items]
Exercise price or range of exercise prices, minimum	$ 109.20
Exercise price or range of exercise prices, maximum	$ 121.60
Number of stock options outstanding and exercisable (in Shares)	3,950
Weighted-average remaining contractual life (years)	2 years 306 days
Weighted-average exercise price	$ 109.83
Range Three [Member]
Note 14 - Equity Based Compensation (Details) - Information Regarding Stock Options under Plan that are Outstanding and Exerciable [Line Items]
Number of stock options outstanding and exercisable (in Shares)	6,450
Weighted-average remaining contractual life (years)	1 year 361 days
Weighted-average exercise price	$ 103.89