Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Weighted Average Option Fair Values and Assumptions

Weighted average option fair values and assumptions for the periods specified are disclosed in the following table:

	Three Months Ended March 31,
	2013	2012
Weighted average fair value of option grants	$ 12.85	$ 11.47
Dividend yield	1.57%	1.57%
Volatility	30.94%	32.01%
Risk-free forward interest rate	0.17%-4.10%	0.17%-3.98%
Expected life (in years)	5.87	5.98

Schedule of Stock Option Activity

A summary of the Company’s stock option activity as of March 31, 2013, and changes during the quarter ended March 31, 2013 is presented in the following table:

Stock Options	Shares			Weighted Average Price		Weighted-Average Remaining Contractual Term		Aggregate Intrinsic Value
Outstanding at January 1, 2013		3,223,742		$	33.16		6.37	$	43,106,153
Granted		617,715			50.26
Exercised		(386,937	)		27.87
Forfeited/Expired		(52,575	)		42.01
Outstanding at March 31, 2013		3,401,945		$	36.73		7.00	$	56,781,822
Vested and expected to vest at March 31, 2013		2,987,418		$	36.33		6.85	$	51,055,880
Exercisable at March 31, 2013		1,913,459		$	30.63		5.47	$	43,606,478

Stock Option

Schedule of Compensation Cost for Stock Options and Unvested Shares and Performance Share Units

Total compensation cost for the stock options is as follows:

	Three Months Ended March 31,
	2013			2012
	(in thousands)
Cost of goods sold	$	192		$	293
Selling, general and administrative expenses		2,169			1,966
Total expense before income taxes		2,361			2,259
Income tax benefit		(737	)		(708	)
Total expense after income taxes	$	1,624		$	1,551

Unvested Shares

Schedule of Compensation Cost for Stock Options and Unvested Shares and Performance Share Units

Total compensation cost for unvested shares is as follows:

	Three Months Ended March 31,
	2013			2012
	(in thousands)
Cost of goods sold	$	402		$	406
Selling, general and administrative expenses		2,660			1,996
Total expense before income taxes		3,062			2,402
Income tax benefit		(715	)		(663	)
Total expense after income taxes	$	2,347		$	1,739

Performance Shares

Schedule of Weighted Average Option Fair Values and Assumptions

Weighted average performance share unit fair values and assumptions for the period specified are disclosed in the following table:

	Three Months Ended March 31, 2013
Weighted average fair value of performance share units	$50.45
Dividend yield	0.00%
Volatility	28.99%
Risk-free forward interest rate	0.40%
Expected life (in years)	2.87

Schedule of Compensation Cost for Stock Options and Unvested Shares and Performance Share Units

Total compensation cost for performance share units is as follows:

	Three Months Ended March  31, 2013
	(in thousands)
Cost of goods sold	$	—
Selling, general and administrative expenses		189
Total expense before income taxes		189
Income tax benefit		(37	)
Total expense after income taxes	$	152