Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Fair value assumptions of stock options

	2015		2014
Dividend yield	2.00	%	2.00	%
Risk-free interest rate	2.00	%	2.00	%
Weighted average expected volatility	20.00	%	20.00	%
Weighted average expected life	6 years		6 years
Weighted average per share fair value of options	$3.08		$3.00

Summary of Company's Stock Option Activities

Stock Options	Shares		Weighted Average Exercise Price	Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value (000s)
Outstanding at December 31, 2013	8,034,243		$18.37
Granted	1,389,452		$17.45
Exercised	(933,143	)	$13.77
Forfeited or expired	(643,214	)	$23.50
Outstanding at December 31, 2014	7,847,338		$18.34	5.79	$	23,986
Options exercisable at December 31, 2014	5,076,676		$19.96	4.41	$	14,953
Granted	1,348,504		$17.95
Exercised	(366,670	)	$13.84
Forfeited or expired	(495,890	)	$32.00
Outstanding at March 31, 2015	8,333,282		$17.71	6.60	$	22,821
Options exercisable at March 31, 2015	5,536,852		$18.02	5.28	$	18,637

Summary of Company's Nonvested Stock Option Activities

Nonvested Stock Options	Shares		Weighted Average Grant Date Fair Value
Nonvested at December 31, 2013	3,110,523		$4.69
Granted	1,389,452		$3.00
Vested	(1,522,152	)	$4.92
Forfeited	(207,161	)	$4.38
Nonvested at December 31, 2014	2,770,662		$3.74
Granted	1,348,504		$3.08
Vested	(1,313,007	)	$4.31
Forfeited	(9,729	)	$3.35
Nonvested at March 31, 2015	2,796,430		$3.16

Summary of Restricted Stock Awards Activity (Excluding Salary Shares)

Restricted Stock	Shares		Weighted Average Grant Date Fair Value
Outstanding at December 31, 2013	1,511,765		$13.92
Granted	1,177,168		$17.35
Vested	(538,877	)	$14.12
Forfeited	(167,930	)	$15.26
Outstanding at December 31, 2014	1,982,126		$15.79
Granted	1,029,339		$16.77
Vested	(619,358	)	$15.52
Forfeited	(18,834	)	$16.13
Outstanding at March 31, 2015	2,373,273		$16.28