Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Share-based Payment Arrangement, Noncash Expense [Abstract]

Share-Based Compensation Expense

The expense recognized for the three months ended March 31 was as follows:

	Three months ended
In millions	2022		2021
Stock options	$	7.8	$	9.6
RSUs	9.0		10.6
Performance shares	4.1		4.1
Deferred compensation	1.1		0.6
Pre-tax expense	22.0		24.9
Tax benefit	(5.3)		(6.1)
After-tax expense	$	16.7	$	18.8

Grants of Stock Options and RSUs

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

	2022			2021
	Number granted	Weighted- average fair value per award		Number granted	Weighted- average fair value per award
Stock options	428,387	$	35.98	562,383	$	29.29
RSUs	113,939	$	169.83	128,850	$	148.58
Performance shares (1)	188,754	$	170.60	263,956	$	177.87

(1) The number of performance shares represents the maximum award level.

Average fair value of stock options, assumptions

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

	2022		2021
Dividend yield	1.60	%	1.60	%
Volatility	28.23	%	27.89	%
Risk-free rate of return	1.56	%	0.45	%
Expected life in years	4.8		4.8