Stock-based Compensation Plans (Tables)

12 Months Ended

Oct. 31, 2017

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

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

The following table summarizes the performance-based stock options subject to service and market conditions activity:

	For the Years Ended October 31,
	2017				2016				2015
	Shares		Weighted Average Exercise Price		Shares		Weighted Average Exercise Price		Shares		Weighted Average Exercise Price
	(in thousands)				(in thousands)				(in thousands)
Options outstanding, at beginning of year	567		$	27.24	615		$	27.24	670		$	27.24
Exercised	(130	)	27.24		—		—		—		—
Forfeited	(6	)	27.24		(48	)	27.24		(55	)	27.24
Options outstanding, at end of year	431		27.24		567		27.24		615		27.24
Options exercisable, at end of year	431		27.24		567		27.24		—		—

The following table summarizes stock options activity:

	For the Years Ended October 31,
	2017				2016				2015
	Shares		Weighted Average Exercise Price		Shares		Weighted Average Exercise Price		Shares		Weighted Average Exercise Price
	(in thousands)				(in thousands)				(in thousands)
Options outstanding, at beginning of year	2,835		$	38.89	2,886		$	39.33	3,657		$	39.46
Granted	301		27.88		35		10.60		40		37.03
Exercised	(325	)	30.25		—		—		(44	)	25.68
Forfeited/expired	(403	)	38.13		(86	)	42.30		(767	)	40.60
Options outstanding, at end of year	2,408		38.81		2,835		38.89		2,886		39.33
Options exercisable, at end of year	2,073		40.72		2,695		39.29		2,407		40.27

The following table summarizes the performance-based stock options subject to service and performance conditions activity:

	For the Years Ended October 31,
	2017				2016				2015
	Shares		Weighted Average Exercise Price		Shares		Weighted Average Exercise Price		Shares		Weighted Average Exercise Price
	(in thousands)				(in thousands)				(in thousands)
Options outstanding, at beginning of year	973		$	30.47	1,409		$	31.64	941		$	35.41
Granted	—		—		—		—		729		27.61
Forfeited	(374	)	35.09		(436	)	34.22		(261	)	33.99
Options outstanding, at end of year	599		27.59		973		30.47		1,409		31.64

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

The following table summarizes information about stock options outstanding:

	Shares	Weighted Average Remaining Contractual Life	Weighted Average Exercise Price		Aggregate Intrinsic Value
Range of Exercise Prices:	(in thousands)	(in years)			(in millions)
$ 10.60 - $ 31.19	927	4.5	$	27.70	$	13.6
$ 31.20 - $ 39.32	841	1.5	37.09		4.6
$ 39.33 - $ 68.65	640	0.5	57.16		—
Options Outstanding	2,408

The following table summarizes information about stock options exercisable:

	Shares	Weighted Average Remaining Contractual Life	Weighted Average Exercise Price		Aggregate Intrinsic Value
Range of Exercise Prices:	(in thousands)	(in years)			(in millions)
$ 10.60 - $ 31.19	603	2.1	$	28.27	$	8.5
$ 31.20 - $ 39.32	830	1.5	37.09		4.5
$ 39.33 - $ 68.65	640	0.5	57.16		—
Options Exercisable	2,073

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

The following table summarizes the annual weighted average assumptions:

	For the Years Ended October 31,
	2017		2016		2015
Risk-free interest rate	1.9	%	1.7	%	1.6	%
Expected volatility	55.2	%	56.8	%	40.2	%
Expected life (in years)	5		4.8		4.9

The following table summarizes the annual weighted average assumptions:

	For the Year Ended October 31,
	2015
Risk-free interest rate	1.4	%
Expected volatility	42.9	%
Expected life (in years)	4.7

Nonvested Restricted Stock Shares Activity [Table Text Block]

The following table summarizes restricted stock activity:

	For the Years Ended October 31,
	2017				2016				2015
	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
	(in thousands)				(in thousands)				(in thousands)
Nonvested, at beginning of year	—		$	—	—		$	—	41		$	24.13
Granted	5		24.62		5		12.52		2		29.50
Vested	(5	)	24.62		(5	)	12.52		(43	)	24.38
Nonvested, at end of year	—		—		—		—		—		—

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

The following tables summarize RSUs activity for the years ended October 31:

	Share-Settled RSUs
	2017				2016				2015
	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
	(in thousands)				(in thousands)				(in thousands)
Nonvested, at beginning of year	613		$	8.74	69		$	28.60	188		$	28.75
Granted	210		27.28		624		8.76		—		—
Vested	(204	)	8.74		(66	)	28.66		(114	)	28.91
Forfeited	—		—		(14	)	13.07		(5	)	27.24
Nonvested, at end of year	619		15.04		613		8.74		69		28.60
	Cash-Settled RSUs
	2017				2016				2015
	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
	(in thousands)				(in thousands)				(in thousands)
Nonvested, at beginning of year	817		$	13.95	498		$	29.96	469		$	33.00
Granted	258		27.48		650		7.26		280		27.67
Vested	(456	)	15.92		(231	)	26.06		(190	)	33.82
Forfeited	(32	)	20.17		(100	)	22.19		(61	)	30.75
Nonvested, at end of year	587		18.02		817		13.95		498		29.96

Schedule of Nonvested Performance-based Units Activity [Table Text Block]

The following tables summarize PUs activity for the years ended October 31:

	Share-Settled PUs subject to Service and Performance Conditions
	2017			2016				2015
	Shares	Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
	(in thousands)			(in thousands)				(in thousands)
Nonvested, at beginning of year	—	$	—	244		$	28.73	292		$	28.48
Forfeited	—	—		(244	)	28.73		(48	)	27.24
Nonvested, at end of year	—	—		—		—		244		28.73

	Cash-Settled PUs subject to Service and Performance Conditions
	2017				2016				2015
	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value
	(in thousands)				(in thousands)				(in thousands)
Nonvested, at beginning of year	379		$	30.63	434		$	30.64	$	221		$	35.11
Granted	—		—		—		—		277			27.61
Forfeited	(159	)	34.86		(55	)	30.65		(64		)	32.95
Nonvested, at end of year	220		27.59		379		30.63		434			30.64

	Cash Settled PUs subject to Service and Market Conditions
	2017				2016				2015
	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value		Shares	Weighted Average Grant Date Fair Value
	(in thousands)				(in thousands)				(in thousands)
Nonvested, at beginning of year	70		$	50.52	172		$	69.64	172	$	69.64
Forfeited	(70	)	50.52		(102	)	82.86		—	—
Nonvested, at end of year	—		—		70		50.52		172	69.64