Stock-Based Compensation (Tables)

6 Months Ended

May 31, 2018

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

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 May 31,				Six months ended May 31,
	2018		2017		2018		2017
Stock-based compensation expense	$	11.8	$	10.3	$	16.1	$	14.4

Summary of Option Activity

The following is a summary of our stock option activity for the six months ended May 31, 2018 and 2017:

	2018				2017
(shares in millions)	Number of Shares		Weighted- Average Exercise Price		Number of Shares		Weighted- Average Exercise Price
Outstanding at beginning of period	4.8		$	71.91	4.9		$	66.00
Granted	0.4		105.95		0.6		98.07
Exercised	(0.4	)	56.36		(0.5	)	49.64
Outstanding at end of the period	4.8		$	75.77	5.0		$	71.36
Exercisable at end of the period	3.9		$	69.94	3.9		$	64.79

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

The fair values of option grants in the stated periods were computed using the following range of assumptions for our various stock compensation plans:

	2018	2017
Risk-free interest rates	1.7 - 2.9%	0.9 - 2.4%
Dividend yield	2.0%	1.9%
Expected volatility	18.4%	18.7%
Expected lives (in years)	7.6	7.6

Schedule of Share-based Compensation, Restricted Stock Units Award Activity

The following is a summary of our RSU activity for the six months ended May 31, 2018 and 2017:

	2018				2017
(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	267		$	86.47	267		$	80.08
Granted	190		101.03		130		94.66
Vested	(117	)	88.35		(118	)	80.62
Forfeited	(5	)	94.86		(10	)	89.83
Outstanding at end of period	335		$	93.94	269		$	86.54

Schedule of Share Based Compensation, Performance Shares, Activity

The following is a summary of our LTPP activity for the six months ended May 31, 2018 and 2017:

	2018				2017
(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	220		$	84.31	201		$	78.10
Granted	86		101.90		78		89.96
Vested	(59	)	74.02		(43	)	69.04
Outstanding at end of period	247		$	92.91	236		$	83.63