Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

Share-based Compensation [Abstract]

Share-Based Compensation Expense

The expenses recognized for the three months ended March 31 were as follows:

In millions	2013			2012
Stock options	$	7.9		$	(6.7	)
RSUs	10.1			8.0
PSUs	3.9			5.6
Deferred compensation	0.4			0.4
Other	0.7			1.3
Pre-tax expense	23.0			8.6
Tax benefit	(8.8		)	(3.3		)
After-tax expense	$	14.2		$	5.3

Grants of Stock Options and RSUs

Grants issued during the three months ended March 31 were as follows:

	2013			2012
	Number granted	Weighted- average fair value per award		Number granted	Weighted- average fair value per award
Stock options	1,318,418	$	16.51	1,459,640	$	13.67
RSUs	527,923	$	52.32	618,562	$	40.67

Average fair value of stock options, assumptions

The following assumptions were used during the three months ended March 31:

	2013		2012
Dividend yield	1.60	%	1.33	%
Volatility	42.15	%	43.60	%
Risk-free rate of return	0.85	%	0.92	%
Expected life	5.1 years		5.1 years