Capital Transactions (Tables)

12 Months Ended

Dec. 31, 2012

Capital Transactions

Schedule of assumptions used and weighted average fair value for grants

	2012			2011			2010
Expected annual dividend rate		1.23	%		1.04	%		1.10	%
Risk-free interest rate		0.81	%		2.08	%		1.88	%
Average expected life (years)		5.6			5.8			4.6
Expected volatility of common stock		0.409			0.404			0.402
Forfeiture rate		0.0	%		0.0	%		0.0	%
Weighted average fair value of option grants	$	4.43		$	5.74		$	4.78

Schedule of restricted stock activity

	Number of Shares			Weighted-Average Grant-Date Fair Value
Non-vested shares outstanding at December 31, 2009		686,586		$	23.13
Granted		248,384			14.49
Vested		(256,285	)		25.51
Cancelled		(19,422	)		21.68
Non-vested shares outstanding at December 31, 2010		659,263			18.97
Granted		249,502			15.51
Vested		(238,848	)		25.80
Cancelled		(58,315	)		15.71
Non-vested shares outstanding at December 31, 2011		611,602			15.08
Granted		318,139			13.04
Vested		(212,841	)		14.95
Cancelled		(18,015	)		14.20
Non-vested shares outstanding at December 31, 2012		698,885			14.21

Schedule of stock option activity

	2012								2011					2010
	Number of Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value ($000)		Number of Options			Weighted Average Exercise Price		Number of Options			Weighted Average Exercise Price
Outstanding at beginning of year		4,176,673		$	19.26	2.7 years	$	—		4,586,979		$	19.96		4,740,695		$	20.37
Granted		200,115			13.06					327,617			15.45		320,458			14.49
Exercised		(179,204	)		10.57					(5,941	)		10.57		(4,821	)		10.57
Cancelled		(543,725	)		25.35					(731,982	)		24.73		(469,353	)		20.46
Outstanding at end of year		3,653,859			18.44	2.3 years		—		4,176,673			19.26		4,586,979			19.96
Exercisable at December 31, 2012		3,031,825			19.28	1.8 years		—
Exercisable at December 31, 2011		3,310,143			20.35	2.1 years		—

Schedule of non-vested stock options

	Number of Shares			Weighted-Average Grant-Date Fair Value
Non-vested shares at beginning of year		866,530		$	4.82
Granted		200,115			4.43
Vested		(444,611	)		4.42
Cancelled		—			—
Non-vested shares at end of year		622,034		$	4.99

Schedule of stock options outstanding

	Options Outstanding					Options Exercisable
Range of Exercise Prices	Number Outstanding		Weighted Average Remaining Contractual Life	Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
$10 to $15		1,167,959	3.9 years	$	14.38		545,925	$	14.42
$16 to $21		1,649,742	1.8 years		17.71		1,649,742		17.71
$22 to $28		836,158	1.3 years		25.56		836,158		25.56
$10 to $28		3,653,859	2.3 years		18.44		3,031,825		19.28