Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2013

Share-based Compensation [Abstract]

Share-Based Compensation Expense

The expenses recognized for the three and six months ended June 30 were as follows:

	Three months ended						Six months ended
In millions	2013			2012			2013			2012
Stock options	$	5.3		$	4.2		$	13.2		$	(2.5	)
RSUs	6.3			4.0			16.4			12.0
PSUs	7.4			4.3			11.3			9.9
Deferred compensation	0.5			(0.5		)	0.9			(0.1		)
Other	0.1			0.2			0.8			1.5
Pre-tax expense	19.6			12.2			42.6			20.8
Tax benefit	(7.5		)	(4.7		)	(16.3		)	(8.0		)
After-tax expense	$	12.1		$	7.5		$	26.3		$	12.8

Grants of Stock Options and RSUs

Grants issued during the six months ended June 30 were as follows:

	2013			2012
	Number granted	Weighted- average fair value per award		Number granted	Weighted- average fair value per award
Stock options	1,326,377	$	16.51	1,462,052	$	13.67
RSUs	539,964	$	52.40	623,422	$	40.67

Average fair value of stock options, assumptions

The following assumptions were used during the six months ended June 30:

	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