Stock Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2012

Stock-Based Compensation Expense Included in Consolidated Statement of Income and Comprehensive Income

Total stock-based compensation expense included in our Consolidated Statement of Income and Comprehensive Income was as follows:

	December 31,
(DOLLARS IN THOUSANDS)	2012			2011			2010
Equity-based awards	$	19,716		$	20,547		$	18,382
Liability-based awards		3,294			3,044			3,619
Total stock-based compensation		23,010			23,591			22,001
Less tax benefit		(7,228	)		(7,730	)		(8,028	)
Total stock-based compensation, net of tax	$	15,782		$	15,861		$	13,973

Principal Assumptions for SSAR's Granted Fair Value

Principal assumptions used in applying the Binomial model in 2012, 2011 and 2010 were:

	2012			2011			2010
Weighted average fair value of SSAR’s granted during the period	$	10.39		$	11.47		$	10.41
Assumptions:
Risk-free interest rate		0.9	%		1.7	%		2.2	%
Expected volatility		22.5	%		23.2	%		29.8	%
Expected dividend yield		2.1	%		2.1	%		2.2	%
Expected life, in years		5			5			5
Termination rate		1.05	%		0.99	%		1.09	%
Exercise multiple		1.44			1.43			1.38

SSAR's and Stock Option Activity

SSAR’s and Stock options activity were as follows:

(SHARE AMOUNTS IN THOUSANDS)	Shares Subject to SSAR’s/Options			Weighted Average Exercise Price		SSAR’s/ Options Exercisable
Balance at December 31, 2011		1,090		$	39.16		627
Granted		54		$	60.39
Exercised		(443	)	$	34.87
Cancelled		(95	)	$	36.75
Balance at December 31, 2012		606		$	44.68		320

SSAR's and Stock Option Outstanding

SSAR’s and options outstanding at December 31, 2012 were as follows:

Price Range	Number Outstanding (in thousands)		Weighted Average Remaining Contractual Life (in years)		Weighted Average Exercise Price		Aggregate Intrinsic Value (in thousands)
$26-$30		78		3.4	$	30.19
$31-$35		72		1.4	$	33.78
$36-$40		74		2.8	$	36.87
$41-$50		199		4.0	$	44.30
$51-$55		51		3.9	$	51.44
$56-$65		132		5.8	$	61.42
		606			$	44.68	$	12,888

SSAR's and Stock Option Exercisable

SSAR’s and stock options exercisable as of December 31, 2012 were as follows:

Price Range	Number Exercisable (in thousands)		Weighted Average Remaining Contractual Life (in years)		Weighted Average Exercise Price		Aggregate Intrinsic Value (in thousands)
$26 -$ 30		78		3.4	$	30.19
$31 -$ 35		72		1.4	$	33.78
$36 -$ 40		74		2.8	$	36.87
$41 -$ 50		45		2.3	$	42.18
$51 -$ 55		51		3.9	$	51.44
		320			$	37.64	$	9,051

RSU's [Member]

RSU, PRS and Cash RSU Activity

RSU activity was as follows:

(SHARE AMOUNTS IN THOUSANDS)	Number of Shares			Weighted Average Grant Date Fair Value Per Share
Balance at December 31, 2011		782		$	44.91
Granted		211		$	56.43
Vested		(333	)	$	30.24
Forfeited		(41	)	$	47.30
Balance at December 31, 2012		619		$	54.09

PRS [Member]

RSU, PRS and Cash RSU Activity

PRS activity was as follows:

(SHARE AMOUNTS IN THOUSANDS)	Number of Shares			Weighted Average Grant Date Fair Value Per Share
Balance at December 31, 2011		497		$	23.03
Granted		229		$	30.20
Vested		(159	)	$	15.51
Forfeited		(30	)	$	23.35
Balance at December 31, 2012		537		$	28.30

Cash RSU's [Member]

RSU, PRS and Cash RSU Activity

Cash RSU activity was as follows:

(SHARE AMOUNTS IN THOUSANDS)	Cash RSUs			Weighted Average Fair Value Per Share
Balance at December 31, 2011		154		$	52.42
Granted		42		$	65.96
Vested		(64	)	$	60.21
Cancelled		(12	)	$	57.79
Balance at December 31, 2012		120		$	65.96