Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2013

Schedule of share-based compensation expenses



	For the Years Ended December 31,
	2013		2012		2011
Option plan	$	22,245	$	16,497	$	9,948
Other share-based awards	57,640		56,770		63,872
Total share-based compensation before tax	79,885		73,267		73,820
Tax benefit	29,835		27,401		27,929
Total share-based compensation expense included in net income	$	50,050	$	45,866	$	45,891

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

The following summarizes stock option activity and the weighted average exercise price for the following plans for the each of the three years ended December 31, 2013, 2012 and 2011:



	Omnibus Plan (Active)				Option Plan (Frozen)				Director Stock Option Plan (Frozen)
	Outstanding Shares		Weighted Average Exercise Price		Outstanding Shares		Weighted Average Exercise Price		Outstanding Shares		Weighted Average Exercise Price
Balance as of December 31, 2010	4,308,812		$	20.54	2,473,760		$	23.36	104,000		$	21.91
Granted	1,276,500		50.52		—		—		—		—
Exercised	(865,875	)	16.30		(1,373,414	)	21.98		(16,000	)	18.14
Forfeited	(36,700	)	26.38		(1,800	)	24.27		(8,000	)	13.35
Balance as of December 31, 2011	4,682,737		$	29.45	1,098,546		$	25.08	80,000		$	23.52
Granted	570,700		66.19		—		—		—		—
Exercised	(861,397	)	22.54		(744,974	)	25.84		(64,000	)	22.62
Forfeited	(61,630	)	40.95		—		—		—		—
Balance as of December 31, 2012	4,330,410		$	35.50	353,572		$	23.47	16,000		$	27.10
Granted	1,037,729		87.06		—		—		—		—
Exercised	(821,679	)	24.45		(191,141	)	23.23		(16,000	)	$	27.10
Forfeited	(80,380	)	47.55		—		—		—		—
Balance as of December 31, 2013	4,466,080		$	49.29	162,431		$	23.74	—		—
Vested or expected to vest as of December 31, 2013	4,463,880		$	49.29	162,431		$	23.74	—		—
Options exercisable as of December 31, 2013	1,411,931		$	27.65	162,431		$	23.74	—		—

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The following assumptions were used to estimate the weighted average fair value of options of $30.43, $23.40, and $18.44 granted during the years ended December 31, 2013, 2012, and 2011, respectively:



	For the Years Ended December 31,
	2013		2012		2011
Weighted-average volatility	49	%	50	%	49	%
Expected dividend yield	1.9	%	2.2	%	1.9	%
Expected term (in years)	4.4		4.6		4.7
Weighted average risk free interest rate	0.9	%	0.7	%	1.4	%

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

The following table summarizes restricted stock activity for the year ended December 31, 2013:



	Shares Outstanding		Weighted Average Grant Price
Balance as of December 31, 2012	544,432		$	57.15
Granted	339,249		88.84
Vested	(90,658	)	33.70
Canceled/Forfeited	(22,056	)	59.87
Balance as of December 31, 2013	770,967		$	74.47
Expected to vest as of December 31, 2013	664,848		$	72.50