Stock-Based Compensation (Tables)

3 Months Ended

Feb. 28, 2014

Share-based Compensation [Abstract]

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,
	2014		2013
Stock-based compensation expense	$	2.6	$	2.8

Summary of Option Activity

The following is a summary of all stock option activity for the three months ended February 28, 2014 and 2013:

	2014				2013
(shares in millions)	Number of Shares		Weighted- Average Exercise Price		Number of Shares		Weighted- Average Exercise Price
Outstanding at beginning of period	4.6		$	47.73	5.1		$	40.06
Exercised	(0.3	)	32.19		(0.5	)	29.96
Outstanding at end of the period	4.3		$	48.87	4.6		$	41.15
Exercisable at end of the period	2.4		$	40.98	2.2		$	36.10

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

The following is a summary of all of our RSU activity for the three months ended February 28, 2014 and 2013:

	2014				2013
(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	161		$	60.86	192		$	49.65
Vested	(2	)	38.28		—		—
Forfeited	(1	)	65.23		(1	)	51.75
Outstanding at end of period	158		$	61.10	191		$	49.63

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

The following is a summary of the MTIP award activity for the three months ended February 28, 2014 and 2013:

	2014				2013
(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	334		$	51.73	240	$	46.63
Granted	105		69.04		94	64.74
Vested	(118	)	44.47		—	—
Forfeited	(2	)	44.47		—	—
Outstanding at end of period	319		$	60.15	334	$	51.73