Employee Benefit and Stock Plans (Tables)

12 Months Ended

Nov. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock Based Compensation Expense

The following table presents our stock-based compensation expense (in thousands):

	Years Ended November 30,
	2015		2014			2013
Stock options (a)	$	7,576	$	3,024		$	2,285
Restricted stock	2,499		1,750			1,365
PSUs	5,404		3,699			2,049
Director awards	1,664		(91		)	4,023
Total	$	17,143	$	8,382		$	9,722

(a) Compensation expense associated with stock options accelerated in 2015 as a result of retirement provisions being met for certain stock option recipients.

Stock option transactions

Stock option transactions are summarized as follows:

	Years Ended November 30,
	2015				2014				2013
	Options		Weighted Average Exercise Price		Options		Weighted Average Exercise Price		Options		Weighted Average Exercise Price
Options outstanding at beginning of year	11,735,042		$	20.45	10,531,938		$	21.11	10,105,546		$	21.27
Granted	1,262,000		14.92		1,273,647		14.62		550,000		16.63
Exercised	(76,164	)	9.69		(36,665	)	7.92		(118,208	)	13.46
Cancelled	(285,234	)	45.80		(33,878	)	20.25		(5,400	)	24.24
Options outstanding at end of year	12,635,644		$	19.39	11,735,042		$	20.45	10,531,938		$	21.11
Options exercisable at end of year	10,389,722		$	20.35	10,103,739		$	21.32	9,414,935		$	22.26
Options available for grant at end of year	1,544,195				3,514,077				746,043

Stock options outstanding and stock options exercisable

Stock options outstanding and stock options exercisable at November 30, 2015 are summarized as follows:

	Options Outstanding				Options Exercisable
Range of Exercise Price	Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life	Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life
$  6.32 to $11.06	2,771,667	$	8.33	5.4	2,771,667	$	8.33
$11.07 to $14.95	3,166,036	14.49		7.7	1,088,448	13.89
$14.96 to $19.90	2,652,671	17.31		4.2	2,484,337	17.35
$19.91 to $33.92	2,092,746	26.99		2.1	2,092,746	26.99
$33.93 to $69.63	1,952,524	37.73		2.6	1,952,524	37.73
$  6.32 to $69.63	12,635,644	$	19.39	4.7	10,389,722	$	20.35	3.8

Assumptions of Black-Scholes option-pricing model

The fair value of each stock option grant is estimated on the date of grant using the Black-Scholes option-pricing model with the following assumptions:

	Years Ended November 30,
	2015		2014		2013
Risk-free interest rate	1.4	%	1.6	%	1.3	%
Expected volatility factor	43.6	%	41.0	%	52.3	%
Expected dividend yield	.7	%	.7	%	.6	%
Expected term	5 years		5 years		5 years

Restricted stock transactions

Restricted stock transactions are summarized as follows:

	Years Ended November 30,
	2015				2014				2013
	Shares		Weighted Average per Share Grant Date Fair Value		Shares		Weighted Average per Share Grant Date Fair Value		Shares		Weighted Average per Share Grant Date Fair Value
Outstanding at beginning of year	355,294		$	15.81	219,628		$	16.23	229,724		$	15.81
Granted	285,006		15.19		219,835		15.34		88,000		17.50
Vested	(204,663	)	14.83		(73,908	)	16.52		(91,312	)	15.18
Cancelled	(18,660	)	15.45		(10,261	)	18.55		(6,784	)	17.24
Outstanding at end of year	416,977		$	15.88	355,294		$	15.81	219,628		$	16.23

Schedule of Share Based Payments Performance Shares Activity

PSU transactions are summarized as follows:

	Years Ended November 30,
	2015			2014			2013
	Shares	Weighted Average per Share Grant Date Fair Value		Shares	Weighted Average per Share Grant Date Fair Value		Shares	Weighted Average per Share Grant Date Fair Value
Outstanding at beginning of year	628,209	$	15.70	385,049	$	16.39	227,049	$	16.23
Granted	192,000	14.92		243,160	14.62		158,000	16.63
Outstanding at end of year	820,209	$	15.52	628,209	$	15.70	385,049	$	16.39