Share Plans (Tables)

6 Months Ended

Jun. 28, 2014

Share-based Compensation Expense

Total share-based compensation expense for the three and six months ended June 28, 2014 and June 29, 2013 was as follows:

	Three months ended				Six months ended
In millions	June 28, 2014		June 29, 2013		June 28, 2014		June 29, 2013
Restricted stock units	$	6.2	$	4.9	$	11.1	$	11.8
Stock options	2.9		2.7		5.4		6.3
Total share-based compensation expense	$	9.1	$	7.6	$	16.5	$	18.1

Assumptions Used in Calculating Estimated Fair Value of Stock Option Award

We estimated the fair value of each stock option award issued in the annual share-based compensation grant using a Black-Scholes option pricing model, modified for dividends and using the following assumptions:

	2014 Annual Grant
Risk-free interest rate	1.43	%
Expected dividend yield	1.45	%
Expected share price volatility	35.3	%
Expected term (years)	5.6