Share Plans (Tables)

6 Months Ended

Jun. 29, 2013

Share-based Compensation Expense

Total share-based compensation expense for the three and six months ended June 29, 2013 was as follows:

	Three months ended				Six months ended
In millions	June 29, 2013		June 30, 2012		June 29, 2013		June 30, 2012
Restricted stock units	$	4.9	$	2.8	$	11.8	$	5.8
Stock options	2.7		2.0		6.3		4.3
Total share-based compensation expense	$	7.6	$	4.8	$	18.1	$	10.1

Assumptions Used in Calculating Estimated Fair Value of Stock Option Award

We estimated the fair value of each stock option award on the date of grant using a Black-Scholes option pricing model, modified for dividends and using the following assumptions:

	Three months ended
	June 29, 2013		June 30, 2012
Risk-free interest rate	0.82	%	0.90	%
Expected dividend yield	1.78	%	2.29	%
Expected share price volatility	36.0	%	36.5	%
Expected term (years)	5.7		5.7