Stock-Based Compensation (Tables)

3 Months Ended

Feb. 28, 2015

Share-based Compensation [Abstract]

Schedule of Assumptions Used [Table Text Block]

Stock Based Compensation in Selling, General and Administrative Expense

The following table sets forth the stock-based compensation expense recorded in selling, general and administrative (SG&A) expense (in millions):

	Three months ended February 28,
	2015		2014
Stock-based compensation expense	$	3.7	$	2.6

Summary of Option Activity

The following is a summary of our stock option activity for the three months ended February 28, 2015 and 2014:

	2015				2014
(shares in millions)	Number of Shares		Weighted- Average Exercise Price		Number of Shares		Weighted- Average Exercise Price
Outstanding at beginning of period	4.8		$	54.17	4.6		$	47.73
Exercised	(0.3	)	39.90		(0.3	)	32.19
Outstanding at end of the period	4.5		54.89		4.3		48.87
Exercisable at end of the period	2.7		$	47.10	2.4		$	40.98

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

The following is a summary of our RSU activity for the three months ended February 28, 2015 and 2014:

	2015				2014
(shares in thousands)	Number of Shares		Weighted- Average Grant-Date Fair Value		Number of Shares		Weighted- Average Grant-Date Fair Value
Outstanding at beginning of period	239		$	67.60	161		$	60.86
Vested	—		—		(2	)	38.28
Forfeited	(3	)	71.19		(1	)	65.23
Outstanding at end of period	236		$	67.55	158		$	61.10

Schedule of Share Based Compensation, Performance Shares, Activity [Table Text Block]

The following is a summary of our LTPP activity for the three months ended February 28, 2015 and 2014:

	2015				2014
(shares in thousands)	Number of Shares		Weighted- Average Grant-Date Fair Value		Number of Shares		Weighted- Average Grant-Date Fair Value
Outstanding at beginning of period	231		$	61.94	334		$	51.73
Granted	96		74.02		105		69.04
Vested	(65	)	48.78		(118	)	44.47
Forfeited	—		—		(2	)	44.47
Outstanding at end of period	262		$	69.64	319		$	60.15