Stockholders' Equity (Tables)

6 Months Ended

12 Months Ended

Apr. 30, 2013

Oct. 31, 2012

Schedule of Changes in Shares Under Option, Excluding Performance Based Options

Changes in shares under option, excluding performance based options, for the first half ended April 30, 2013 are as follows:

Dollar amounts in thousands, except per share amounts	Shares			Weighted Average Price		Weighted Average Life		Aggregate Intrinsic Value
Outstanding, October 31, 2012		12,325,499		$	4.49
Granted		150,000			6.45
Exercised		(1,046,128	)		3.13			$	2,273
Canceled		(1,376,505	)		7.08
Outstanding, April 30, 2013		10,052,866		$	4.31		5.4	$	28,240
Options exercisable, April 30, 2013		7,304,371		$	4.54		5.0	$	19,869

Changes in shares under option, excluding performance based options, are summarized as follows:

	Year Ended October 31,
	2012					2011					2010
In thousands	Shares			Weighted Average Price		Shares			Weighted Average Price		Shares			Weighted Average Price
Outstanding, beg. of year		13,399,381		$	4.40		12,731,430		$	4.48		15,909,101		$	7.32
Granted		375,000			3.66		2,315,000			5.01		4,403,407			3.83
Exercised		(506,329	)		2.23		(757,538	)		3.92		(713,062	)		3.84
Canceled/Forfeited		(942,553	)		4.08		(889,511	)		7.63		(6,868,016	)		10.69
Outstanding, end of year		12,325,499			4.49		13,399,381			4.40		12,731,430			4.48
Exercisable, end of year		7,903,327			4.94		6,042,873			5.64		4,892,680			6.70

Schedule of Outstanding Stock Options, Excluding Performance Based Options

Outstanding stock options, excluding performance based options, at October 31, 2012 consist of the following:

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Shares		Weighted Average Remaining Life		Weighted Average Exercise Price		Shares		Weighted Average Exercise Price
			(Years)
$1.04 - $2.34		3,490,755		6.1	$	1.97		2,424,005	$	1.99
$2.35 - $4.60		2,706,750		7.2		3.07		1,392,489		3.24
$4.61 - $6.64		3,684,156		5.6		5.10		1,642,995		5.11
$6.65 - $8.70		1,074,338		0.3		6.83		1,074,338		6.83
$8.71 - $10.75		962,000		2.0		8.87		962,000		8.87
$10.76 - $16.36		407,500		1.9		13.43		407,500		13.43
		12,325,499		5.2		4.49		7,903,327		4.94

Schedule of Changes in Non-Vested Shares Under Option, Excluding Performance Based Options

Changes in non-vested shares under option, excluding performance based options, for the year ended October 31, 2012 are as follows:

	Shares			Wtd. Avg. Grant Date Fair Value
Non-vested, beginning of year		7,356,508		$	1.81
Granted		375,000			2.58
Vested		(3,176,993	)		1.72
Canceled		(132,343	)		2.41
Non-vested, end of year		4,422,172			1.92

Schedule of Activity Related to Performance Based Options and Performance Based Restricted Stock Units

Activity related to performance based options and performance based restricted stock units for the fiscal year ended October 31, 2012 is as follows:

	Performance Options			Performance Restricted Stock Units
Non-vested, October 31, 2011		936,000			7,520,000
Granted		—			1,100,000
Vested		—			—
Canceled		(80,000	)		(690,625	)
Non-vested, October 31, 2012		856,000			7,929,375

Schedule of Changes in Restricted Stock Units

Changes in restricted stock are as follows:

	Year Ended October 31,
	2012			2011			2010
Outstanding, beginning of year		1,911,669			2,842,004			1,022,003
Granted		105,000			120,000			3,110,000
Vested		(1,155,002	)		(1,050,335	)		(1,229,998	)
Forfeited		(60,000	)		—			(60,001	)
Outstanding, end of year		801,667			1,911,669			2,842,004