Note 6 - Equity-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2011

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

	Stock Awards			Weighted Average Award Date Fair Value
Outstanding at January 1, 2011		888,855		$	15.25
Restricted shares awarded		166,276			26.54
Restricted stock units awarded		6,768			26.60
Restricted shares distributed		(251,962	)		13.38
Restricted stock units distributed		–			–
Restricted shares forfeited		(67,461	)		20.53
Restricted stock units forfeited		–			–
Outstanding at June 30, 2011		742,476		$	18.04

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

	Deferred Stock Units			Weighted Average Award Date Fair Value
Outstanding at January 1, 2011		163,318		$	19.43
Awarded		25,601			25.66
Shares distributed		(5,681	)		14.18
Forfeited		–			–
Outstanding at June 30, 2011		183,238		$	20.46

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

	Shares			Weighted Average Exercise Price		Aggregate Intrinsic Value (in millions)
Outstanding at January 1, 2011		1,198,516		$	18.42
Granted		225,505			26.92
Exercised		(119,559	)		16.66
Canceled/Expired		(145,376	)		27.80
Outstanding at June 30, 2011		1,159,086		$	19.07	$	4.3
Exercisable at June 30, 2011		706,332		$	16.86	$	3.5

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

	For the Six Months Ended June 30,
	2011								2010
	Range					Weighted Average			Range			Weighted Average
Weighted average grant-date fair value						$	11.61					$	10.56
Volatility		47.0	-	50.6	%		50.4	%		50.4	%		50.4	%
Expected term (years)			7.0				7.0			7.0			7.0
Dividend yield			0.0		%		0.0	%		0.0	%		0.0	%
Risk-free rate		2.3	-	3.0	%		2.8	%		3.1	%		3.1	%