Long-term Equity-based Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2014

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

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

The assumptions used in the Black-Scholes pricing model for Tandem Awards granted during the three months ended March 31, 2014 and 2013 were as follows:



	Three Months Ended
	Mar 31, 2014					Mar 31, 2013
Range of Valuation Assumptions
Expected Volatility	25.76	%	-	44.43	%	39.10	%	-	48.23	%
Risk-free Interest Rate	1.07		-	2.14		0.62		-	1.38
Expected Dividend Yield	2.60		-	2.60		2.83		-	2.83
Weighted-Average Expected Life in Years
Employee Grants	4		-	7		4		-	7

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

Tandem Award activity for the three months ended March 31, 2014 is presented below:



	Shares Subject to Award		Weighted- Average Exercise Price Per Share ($)		Weighted- Average Remaining Contractual Life (in Years)	Aggregate Intrinsic Value ($ in Millions)
Outstanding at Beginning of the Year	2,543,673		$	41.37
Granted	252,000		36.47
Exercised	(26,375	)	28.76
Forfeited or Expired	(423,546	)	47.91
Outstanding at March 31, 2014	2,345,752		$	39.81	4.59	$	7.9
Vested and Expected to Vest at March 31, 2014	2,308,347		$	39.94	4.53	$	7.6
Exercisable at March 31, 2014	1,781,937		$	41.78	3.22	$	4.7

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

Information pertaining to Tandem Awards outstanding at March 31, 2014 is presented below:



					Outstanding				Exercisable
Range of Exercise Prices					Shares Subject to Award	Weighted- Average Exercise Price Per Share ($)		Weighted- Average Remaining Contractual Life (in Years)	Shares Subject to Tandem Award	Weighted- Average Exercise Price Per Share ($)
$	10.00	-	$	15.00	16,750	$	13.55	4.85	16,750	$	13.55
15.01		-	20.00		8,000	16.48		5.10	8,000	16.48
20.01		-	25.00		30,750	23.38		5.82	30,750	23.38
25.01		-	30.00		390,250	28.86		7.33	237,062	28.75
30.01		-	35.00		246,687	33.18		8.86	88,060	32.69
35.01		-	40.00		564,500	36.88		6.47	312,500	37.22
40.01		-	45.00		194,902	43.10		0.83	194,902	43.10
45.01		-	50.00		821,005	48.59		1.90	821,005	48.59
50.01		-	55.00		72,908	51.43		0.69	72,908	51.43
10.00		-	55.00		2,345,752	39.81		4.59	1,781,937	41.78

Time Vested Shares [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

Activity related to nonvested time-based restricted stock and nonvested time-based RSUs for the three months ended March 31, 2014 was as follows:



	Time-based Restricted Stock Awards				Time-based RSU Awards
	Number of Shares		Weighted- Average Grant-Date Fair Value Per Share		Number of RSUs		Weighted- Average Grant-Date Fair Value Per RSU
Nonvested Balance at Beginning of the Year	101,627		$	31.48	—		$	—
Granted	2,000		38.59		40,925		36.60
Vested	—		—		—		—
Forfeited	(14,476	)	31.01		(700	)	36.47
Nonvested Balance at End of Period	89,151		31.71		40,225		36.61

Performance Shares [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

Activity related to nonvested performance-based restricted stock and nonvested performance-based RSUs for the three months ended March 31, 2014 was as follows:



	Performance-based Restricted Stock Awards				Performance-based RSU Awards
	Number of Shares		Weighted- Average Grant-Date Fair Value Per Share		Number of RSUs		Weighted- Average Grant-Date Fair Value Per RSU
Nonvested Balance at Beginning of the Year	176,800		$	39.54	—		$	—
Granted	—		—		66,575		40.50
Vested	(54,934	)	39.83		—		—
Forfeited	(3,991	)	40.73		(300	)	40.50
Nonvested Balance at End of Period	117,875		39.37		66,275		40.50

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

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