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Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2020

Stock Options and Stock Appreciation Rights (SARs) [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Valuation Assumptions

The following table illustrates the assumptions used in estimating fair value in the years ended December 31, 2020, 2019 and 2018:

			2020						2019						2018
Grant date fair value of stock options and SARs			$	22.62					$	20.59					$	14.78
Expected stock price volatility			26.89		%				26.59		%				25.69		%
Risk-free interest rate			0.89		%				2.58		%				2.62		%
Expected annual dividend yield			0.82		%				1.08		%				1.34		%
Expected life of options & SARs (years)			5.5						5.6						5.7

Schedule of stock option and SAR activity

The following table illustrates the stock option and SAR activity for the year ended December 31, 2020:

			Number of Shares (in 000’s)						Weighted- Average Exercise Price
Outstanding at December 31, 2019			3,253						$	55.97
Granted			859						$	95.84
Forfeited			(250)						$	72.81
Exercised			(526)						$	45.07
Outstanding at December 31, 2020			3,336						$	66.76
Exercisable at December 31, 2020			1,199						$	52.18
Stock options & SARs expected to vest			2,137						$	74.94

Restricted Stock Units (RSUs) and Performance Share Units (PSUs) [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of RSU and PSU activity

The following table illustrates the RSU and PSU activity for the year ended December 31, 2020:  

			Number of Shares (in 000’s)						Weighted- Average Grant-Date Fair Value
Outstanding at December 31, 2019			169						$	48.94
Granted			37						$	85.45
Vested			(140)						$	43.99
Forfeited			(5)						$	79.30
Outstanding at December 31, 2020			61						$	77.03

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