Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2016

Schedule of stock option activity and related information

	Year Ended December 31,
	2016					2015			2014
		Weighted		Weighted			Weighted			Weighted
		Average		Average			Average			Average
		Exercise		Intrinsic			Exercise			Exercise
	Options	Price		Value		Options	Price		Options	Price
	(Options in thousands)
Outstanding at beginning of year	362	$	48.46			495	$	47.34	1,029	$	41.66
Granted	—		—			—		—	114		57.58
Cancelled/Forfeitures	(43)		52.93			(69)		51.66	(306)		44.19
Exercised	(189)		43.31			(64)		36.29	(342)		36.48
Outstanding at end of year	130	$	54.46	$	10.74	362	$	48.46	495	$	47.34
Exercisable at end of year	82	$	53.38	$	11.82	192	$	45.10	128	$	40.04

Schedule of information about options outstanding

The following table summarizes information about options outstanding at December 31, 2016:

	Options Outstanding				Options Exercisable
		Weighted Average	Weighted Average			Weighted Average
	Number	Remaining Contractual	Exercise		Number	Exercise
Range of Exercise Prices	Outstanding	Life (years)	Price		Exercisable	Price
	(Options in thousands)
$29.05-$37.41	11,300	5.30	$	35.01	11,300	$	35.01
$54.76–$54.76	57,769	6.46		54.76	34,020		54.76
$57.47–$60.10	61,414	7.22		57.76	36,736		57.75
	130,483	6.72	$	54.46	82,056	$	53.38

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

	Year ended December 31, 2014
Expected life (years)		6.0
Expected stock price volatility		37.5	%
Expected dividend yield		1.0	%
Risk-free interest rate		1.9	%

Schedule of nonvested restricted stock and deferred shares activity and related information

	Year Ended December 31,
	2016			2015			2014
		Weighted			Weighted			Weighted
		Average			Average			Average
		Grant Date			Grant Date			Grant Date
	Shares	Fair Value		Shares	Fair Value		Shares	Fair Value
	(Shares in thousands)
Unvested at beginning of year	244	$	52.61	214	$	53.74	260	$	45.58
Granted	140		56.33	180		50.87	151		56.79
Cancelled/Forfeitures	(132)		54.43	(28)		53.99	(95)		46.83
Vested	(42)		53.10	(122)		51.72	(102)		44.87
Unvested at end of year	210	$	53.79	244	$	52.61	214	$	53.74

Schedule of the Company's RSU activity and related information

	Year Ended December 31,
	2016				2015				2014
		Weighted		Weighted			Weighted			Weighted
		Average		Average			Average			Average
		Purchase		Intrinsic			Purchase			Purchase
	RSUs	Price		Value	RSUs		Price		RSUs	Price
	(RSU’s in thousands)
Outstanding at beginning of period	101	$	36.14			80	$	32.08	132	$	27.46
Granted	89		35.41			60		37.13	31		40.27
Cancelled/Forfeitures	(28)		32.25			(9)		36.92	(32)		31.58
Settled	(14)		36.91			(30)		27.10	(51)		25.41
Outstanding at end of period	148	$	36.37	13.53	$	101	$	36.14	80	$	32.08
Vested at end of period	28	$	37.78	16.32	$	25	$	33.35	31	$	27.96

Schedule of information about RSUs outstanding

The following table summarizes information about RSUs outstanding at December 31, 2016:

	RSUs Outstanding			RSUs Vested
		Weighted Average			Weighted Average
	Number	Purchase		Number	Purchase
Range of Purchase Prices	Outstanding	Price		Vested	Price
	(RSUs in thousands)
$26.51-$35.41	87		35.30	2		30.96
$37.13–$40.27	61		37.89	26		38.35
	148	$	36.37	28	$	37.78

Schedule of stock-based compensation fair value assumptions

	Year Ended
	December 31,
	2016		2015		2014
Expected life (years)	3.0		3.0		3.0
Expected stock price volatility	24.8	%	23.4	%	31.2	%
Expected dividend yield	1.3	%	1.2	%	0.9	%
Risk-free interest rate	0.9	%	1.1	%	0.7	%

Performance stock units

Schedule of unvested performance shares activity and related information

	Year Ended December 31,
	2016			2015
		Weighted			Weighted
		Average			Average
		GrantDate			Grant Date
	Shares	Fair Value		Shares	Fair Value
	(Shares in thousands)
Unvested at beginning of year	201	$	57.98	107		56.97
Granted	107		55.27	106	$	58.94
Cancelled/Forfeitures	(41)		57.56	(12)		57.51
Unvested at end of year	267	$	56.96	201	$	57.98