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Note 11 - Stock Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

		Shares subject to options				Weighted average exercise price				Aggregate intrinsic value (in millions)				Weighted average remaining contractual term (in years)
Balance, December 31, 2011			811,176			$	12.69
Granted			-				-
Forfeited			(59,793	)			9.12
Expired			(90,000	)			31.67
Exercised			(407,884	)			13.02
Balance, December 31, 2012			253,499			$	6.26			$	7.9			1.6
Exercisable, December 31, 2012			253,499			$	6.26			$	7.9			1.6

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

		Non-vested stock grants				Weighted average grant date fair value
Balance, December 31, 2011			590,550			$	8.72
Granted			225,664				23.82
Vested			(144,591	)			11.19
Forfeited			(19,680	)			10.25
Balance, December 31, 2012			651,943			$	13.35

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Year Ended December 31,		2010
Risk-free interest rate(1)			2.53	%
Dividend yield(2)			2.54	%
Expected term(3) (in years)		4.2
Volatility(4)			81.22	%
Discount for post-vesting restrictions			0.0	%

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

Year Ended December 31,		2012				2011				2010
Weighted average grant-date fair value per share of stock options granted		$	-			$	-			$	4.19
Per share intrinsic value of non-vested stock granted			23.82				13.58				6.02
Weighted average per share discount for compensation expense recognized under the 2009 ESPP			4.29				2.56				1.11
Total intrinsic value of stock options exercised (in millions)		7.2				1.5				1.1
Fair value of non-vested stock that vested during the period (in millions)		3.5				0.7				0.4
Stock-based compensation recognized in results of operations, as a component of selling, general and administrative expense - excludes compensation expense related to an option granted to one of our executives. See Note 18. (in millions)		3.1				2.3				1.8
Tax benefit recognized in Consolidated Statements of Operations (in millions)		1.0				0.7				0.5
Cash received from options exercised and shares purchased under all share-based arrangements (in millions)		8.8				5.8				4.2
Tax deduction realized related to stock options exercised (in millions)		4.1				0.9				0.5

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

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