v2.4.0.6

Stock-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2012

Stock-Based Compensation Plans

Information with respect to stock options granted

		2009 Plan shares			Weighted average exercise price per share			1994 Plan shares			Weighted average exercise price per share
Options Outstanding, December 31, 2009			—		$	—			2,836,254		$	80.76
Exercised			—			—			(729,381	)		57.87
Granted			126,484			74.20			—			—
Forfeited			—			—			(34,656	)		100.02
Options Outstanding, December 31, 2010			126,484		$	74.20			2,072,217		$	88.50
Exercised			(23,908	)		75.75			(930,391	)		82.43
Granted			144,827			115.83			—			—
Forfeited			—			—			(28,867	)		68.29
Options Outstanding, December 31, 2011			247,403		$	98.42			1,112,959		$	94.10
Exercised			(43,265	)		85.09			(364,519	)		68.21
Granted			115,303			133.16			—			—
Forfeited			(11,887	)		115.15			(28,610	)		139.58
Options Outstanding, December 31, 2012			307,554		$	112.67			719,830		$	105.40
Options Exercisable:
December 31, 2010			3,417		$	74.20			1,730,978		$	93.60
December 31, 2011			30,771		$	81.54			1,012,304		$	98.62
December 31, 2012			74,618		$	97.46			719,830		$	105.40

Summary of exercise prices and contractual lives of options outstanding

The following summarizes the exercise prices and contractual lives of options outstanding as of December 31, 2012:

2009 Plan Number of Options		Range—Exercise Price		Weighted Average Remaining Contractual Term (in years)
69,287		$70.00 - 79.99			7.1
127,930		110.00 - 119.99			8.1
108,838		130.00 - 139.99			9.1
1,499		140.00 - 149.99			9.5
307,554

1994 Plan Number of Options		Range—Exercise Price		Weighted Average Remaining Contractual Term (in years)
1,424		$30.00 - 39.99			0.1
94,898		40.00 - 49.99			3.5
41,556		60.00 - 69.99			2.1
730		70.00 - 79.99			2.5
107,833		80.00 - 89.99			5.1
187,380		90.00 - 99.99			3.1
286,009		140.00 - 149.99			4.1
719,830

Summary of weighted average fair value of employee stock options and associated assumptions used to calculate the value

		2012			2011			2010
Weighted average fair value per share		$	29.11		$	29.40		$	19.45
Life of options (in years)			5.0			7.0			7.0
Dividend yield			3.5	%		4.0	%		5.5	%
Volatility			35.00	%		35.00	%		43.00	%
Risk-free interest rate			0.87	%		3.04	%		3.15	%

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Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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