Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Stock-Based Compensation

Schedule of stock option activity and related information

	Years Ended December 31,
	2012							2011					2010
	Options			Weighted Average Exercise Price		Weighted Average Intrinsic Value		Options			Weighted Average Exercise Price		Options			Weighted Average Exercise Price
	(Options in thousands)
Outstanding at beginning of year		1,272		$	30.43				1,303		$	29.00		1,300		$	26.25
Granted		415			37.67				295			29.39		282			33.65
Cancelled/Forfeitures		(33	)		31.18				(78	)		30.38		(94	)		23.33
Exercised		(590	)		30.19				(248	)		21.68		(185	)		19.69
Outstanding at end of year		1,064		$	33.37	$	9.62		1,272		$	30.43		1,303		$	29.00
Exercisable at end of year		360		$	30.91	$	12.08		745		$	30.61		769		$	27.56

Schedule of information about options outstanding

The following table summarizes information about options outstanding at December 31, 2012:

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Number Outstanding		Weighted Average Remaining Contractual Life (years)		Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
	(Options in thousands)
$17.30 - $29.05		322		7.50	$	28.21		120	$	27.44
$29.35 - $33.65		282		6.01		32.61		205		32.22
$35.20 - $35.70		46		5.31		35.36		35		35.25
$37.41 - $40.17		414		9.61		37.67		—		—
		1,064		7.83	$	33.37		360	$	30.91

Schedule of weighted average assumptions used to estimate the grant-date fair value of share issued under the 2004 Stock Incentive Plan

	Years Ended December 31,
	2012			2011			2010
Expected life (years)		6.0			6.0			6.0
Expected stock price volatility		41.2	%		40.9	%		41.3	%
Expected dividend yield		1.2	%		1.5	%		1.3	%
Risk-free interest rate		0.9	%		1.6	%		1.9	%

Schedule of unvested restricted stock activity and related information

	Years Ended December 31,
	2012					2011					2010
	Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value
	(Shares in thousands)
Unvested at beginning of year		153		$	30.33		162		$	31.39		117		$	28.20
Granted		170			37.62		115			29.51		105			33.65
Cancelled/Forfeitures		(8	)		30.66		(14	)		31.12		(7	)		28.09
Vested		(78	)		30.61		(110	)		30.94		(53	)		29.24
Unvested at end of year		237		$	35.45		153		$	30.33		162		$	31.39

Schedule of the Company's RSU activity and related information

	Years Ended December 31,
	2012							2011					2010
	RSUs			Weighted Average Purchase Price		Weighted Average Intrinsic Value		RSUs			Weighted Average Purchase Price		RSUs			Weighted Average Purchase Price
	(RSU's in thousands)
Outstanding at beginning of period		392		$	18.74				361		$	16.92		350		$	18.13
Granted		64							99			25.15		159			19.87
Cancelled/Forfeitures		(110	)						(10	)		20.92		(21	)		16.68
Settled		(150	)						(58	)		18.01		(127	)		23.95
Outstanding at end of period		196		$	22.88	$	20.11		392		$	18.74		361		$	16.92
Vested at end of period		81		$	20.36	$	22.63		157		$	15.57		105		$	15.21

Schedule of information about RSUs outstanding

The following table summarizes information about RSUs outstanding at December 31, 2012:

	RSUs Outstanding				RSUs Vested
Range of Purchase Prices	Number Outstanding		Weighted Average Purchase Price		Number Vested		Weighted Average Purchase Price
	(RSUs in thousands)
$10.51 - $19.87		86	$	19.14		61	$	18.84
$25.15 - $25.15		55		25.15		20		25.15
$26.51 - $26.51		55		26.51		—		—
		196	$	22.88		81	$	20.36

Schedule of weighted average assumptions used to estimate the grant-date fair value of restricted stock units

	Years Ended December 31,
	2012			2011			2010
Expected life (years)		3.0			3.0			3.0
Expected stock price volatility		38.3	%		44.9	%		45.6	%
Expected dividend yield		1.1	%		1.2	%		1.5	%
Risk-free interest rate		0.4	%		1.2	%		1.5	%