Capital Transactions (Tables)

12 Months Ended

Dec. 31, 2015

Schedule of assumptions used and weighted average fair value for stock option grants

	2015			2014			2013
Expected annual dividend rate		1.18	%		1.32	%		1.21	%
Risk-free interest rate		1.62	%		1.50	%		0.92	%
Average expected life (years)		5.7			5.8			6.0
Expected volatility of common stock		0.401			0.431			0.446
Forfeiture rate		0.0	%		0.0	%		0.0	%
Weighted average fair value of option grants	$	4.75		$	4.47		$	5.04

Schedule of restricted stock activity

			Weighted-Average
			Grant-Date Fair
	Number of Shares		Value
Non-vested shares outstanding at December 31, 2012	698,885	$	14.21
Granted	282,651		13.43
Vested	(202,012)		14.51
Cancelled	(45,933)		13.69
Non-vested shares outstanding at December 31, 2013	733,591		13.79
Granted	312,749		12.00
Vested	(284,891)		14.74
Cancelled	(38,273)		12.83
Non-vested shares outstanding at December 31, 2014	723,176		12.70
Granted	408,163		13.57
Vested	(215,856)		13.06
Cancelled	(106,184)		13.52
Non-vested shares outstanding at December 31, 2015	809,299		13.13

Schedule of stock option activity

	2015							2014			2013
				Weighted
		Weighted		Average			Aggregate		Weighted			Weighted
		Average		Remaining			Intrinsic		Average			Average
	Number of	Exercise		Contractual			Value	Number of	Exercise		Number of	Exercise
	Options	Price		Term			($000)	Options	Price		Options	Price
Outstanding at beginning of year	2,888,074	$	16.46	1.7	years	$	—	3,407,575	$	17.99	3,653,859	$	18.44
Granted	267,433		13.63					255,503		11.96	173,560		13.24
Exercised	(544,917)		14.68					(6,701)		12.10	(75,080)		10.91
Cancelled	(1,546,161)		18.53					(768,303)		6.81	(344,764)		20.67
Outstanding at end of year	1,064,429		13.64	3.7	years	$	5,726.7	2,888,074		16.46	3,407,575		17.99
Exercisable at December 31, 2015	484,747		14.46	1.7	years	$	2,212.5
Exercisable at December 31, 2014	2,324,336		17.39	0.8	years		—

Schedule of non-vested stock options

The following table summarizes the status of the Company’s non‑vested stock options as of December 31, 2015:

		Weighted-Average
	Number of	Grant-Date
	Shares	Fair Value
Non-vested shares at beginning of year	563,738	$	4.56
Granted	267,433		4.92
Vested	(187,403)		4.43
Cancelled	(64,086)		4.65
Non-vested shares at end of year	579,682	$	4.75

Schedule of stock options outstanding

The following table summarizes information about the Company’s stock options outstanding at December 31, 2015:

			Options Outstanding					Options Exercisable
				Weighted Average
			Number	Remaining		Weighted Average		Number	Weighted Average
Range of Exercise Prices			Outstanding	Contractual Life		Exercise Price		Exercisable	Exercise Price
$8	to	$11	19,458	5.4	years	$	11.10	—	$	—
$12	to	$14	859,595	4.1	years		13.31	305,331		13.90
$15	to	$18	185,376	1.4	years		15.43	179,416		15.64
$8	to	$18	1,064,429	3.7	years	$	13.64	484,747	$	14.46

Performance Share Units

Schedule of non-vested stock options

The following table summarizes the activity of performance share units granted at target as of December 31, 2015.

			Weighted-Average
			Grant-Date Fair
	Number of Shares		Value
Non-vested shares outstanding at December 31, 2014	—	$	—
Granted	222,583		13.61
Vested	—		—
Cancelled	(19,754)		13.51
Non-vested shares outstanding at December 31, 2015	202,829	$	13.62