Note 6 - Share-Based Compensation (Tables)

6 Months Ended

Apr. 30, 2013

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

	Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value
	(In thousands, except per share amount)
Outstanding at November 1, 2012		3,010		$	14.68
Granted		532			13.18
Exercised		(257	)		7.91
Forfeited		(22	)		12.18
Expired		(337	)		26.23
Outstanding at April 30, 2013		2,926		$	13.69		6.1	$	13,117
Fully vested and expected to vest at April 30, 2013		2,878		$	13.71		6.0	$	12,973
Exercisable at April 30, 2013		1,786		$	14.83		4.4	$	8,683

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

	Shares			Weighted Average Grant-Date Fair Value		Remaining Vesting Period		Aggregate Intrinsic Value
	(In thousands, except per share amount)
Nonvested at November 1, 2012		652		$	11.79
Granted		412			14.86
Vested		(223	)		12.08
Forfeited		(6	)		12.75
Nonvested at April 30, 2013		835		$	13.22		1.8	$	13,200
Expected to vest		798		$	13.18		1.7	$	12,603

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

	Three Months Ended April 30,						Six Months Ended April 30,
	2013			2012			2013			2012
	(In thousands)
Compensation costs:
Stock options	$	571		$	512		$	1,135		$	1,003
Restricted stock		907			605			1,752			1,046
Total compensation cost	$	1,478		$	1,117		$	2,887		$	2,049
Related tax benefit	$	(518	)	$	(389	)	$	(1,012	)	$	(713	)

Stock Options [Member] | Black-Scholes Valuation Model [Member]

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

	Three Months Ended April 30, 2013			Six Months Ended April 30, 2013
Option valuation assumptions:
Expected dividend yield	None			None
Expected volatility		60.5	%		63.1	%
Risk-free interest rate		0.6	%		0.6	%
Expected term (years)		4.4			4.4

Restricted Stock [Member] | Monte-Carlo Valuation Assumptions [Member]

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

	Three Months Ended April 30, 2013			Six Months Ended April 30, 2013
Monte-Carlo valuation assumptions:
Expected dividend yield	None			None
Expected volatility		43.5	%		43.5	%
Risk-free interest rate		0.4	%		0.4	%
Expected term (years)		2.8			2.8