Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Cash Proceeds Received from Share-based Payment Awards

	Year Ended December 31,
	2015		2014		2013
	(Amounts in thousands)
Cash received from stock option exercises	$	2,111	$	6,247	$	1,446
Compensation cost	5,208		4,112		974
Excess tax benefit	27		148		202

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The following table provides the assumptions used in the calculation of grant-date fair values of stock options awarded during 2013 based on the Black-Scholes option pricing model.

	2013
Weighted-average grant-date fair value	$7.11
Expected volatility	33.16% - 33.18%
Weighted-average expected volatility	33.17%
Risk-free interest rate	0.88% - 1.60%
Expected dividend yield	5.40% - 5.76%
Expected term in months	72

Summary of Stock Option Activity

The following table presents a summary of the stock option activity under the Company’s plans for the year ended December 31, 2015:

	Shares	Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value (in 000’s)
Outstanding at January 1, 2015	248,000	$	49.85
Granted	—
Exercised	(43,000)	$	49.10
Canceled or expired	(37,000)	$	58.48
Outstanding at December 31, 2015	168,000	$	48.14	3.8	$	305
Exercisable at December 31, 2015	128,000	$	49.58	2.7	$	183

Schedule of Options Authorized under Stock Option Plans, by Exercise Price Range

The following table presents information regarding stock options outstanding at December 31, 2015:

	Options Outstanding				Options Exercisable
Range of Exercise Prices	Number of Options	Weighted-Average Remaining Contractual Life (Years)	Weighted- Average  Exercise Price		Number of Options	Weighted- Average  Exercise Price
$33.61-$47.61	88,000	6.1	$	43.29	48,000	$	43.09
$50.01-$51.51	38,000	2.0	$	50.72	38,000	$	50.72
$54.93-$57.50	42,000	0.8	$	55.96	42,000	$	55.96

Summary of Grants

The following table presents the restricted stock unit grants summary at December 31, 2015:

	Grant Year
	2015	2014	2013
Three-year performance period ending December 31,	2017	2016	2015
Vesting shares, target (net of forfeited)	99,250	85,500	78,500
Vesting shares, maximum (net of forfeited)	186,094	160,313	176,625

Summary of Vested And Unvested RSU

The following table presents a summary of restricted stock unit awards activity during the years indicated:

	Year Ended December 31,
	2015			2014			2013
	Shares	Weighted- Average Fair Value per Share		Shares	Weighted- Average  Fair Value per Share		Shares	Weighted- Average  Fair Value per Share
Outstanding at January 1	167,000	$	41.15	170,500	$	39.64	169,000	$	42.22
Granted	100,250	$	53.80	93,500	$	45.17	84,500	$	36.82
Vested	—			—			—
Forfeited/Canceled	(4,000)	$	43.10	(16,500)	$	43.99	(3,000)	$	36.82
Expired	—	$	—	(80,500)	$	44.01	(80,000)	$	40.22
Outstanding at December 31	263,250	$	45.94	167,000	$	41.15	170,500	$	39.64