Long-term Equity-based Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2011

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

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

The assumptions used in the Black-Scholes pricing model for options granted during the six months endedJune 30, 2011 and 2010 were as follows:

	Six Months Ended
	Jun 30, 2011				Jun 30, 2010
Range of Valuation Assumptions
Expected Volatility	41.34	%	-	55.16%	40.55	%	-	50.51%
Risk-free Interest Rate	1.30		-	2.87	1.91		-	3.20
Expected Dividend Yield	3.15		-	3.38	3.25		-	3.39
Weighted-Average Expected Life (in Years)
Employee Grants	3.5		-	7	4		-	7
Director Grants	6				6

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

Option and stock appreciation right activity for the six months endedJune 30, 2011 is presented below:

	Shares Subject to Options		Weighted- Average Exercise Price Per Share		Weighted- Average Remaining Contractual Life (in Years)	Aggregate Intrinsic Value ($ in Millions)
Outstanding at Beginning of the Year	4,004,546		$	42.34
Granted	308,750		28.10
Exercised	(12,000	)	19.43
Forfeited or Expired	(467,494	)	46.72
Outstanding at End of Period	3,833,802		$	40.73	4.55	$	6.3
Vested and Expected to Vest at End of Period	3,796,343		$	40.87	4.51	$	6.2
Exercisable at End of Period	3,082,926		$	44.44	3.53	$	2.6

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

Activity related to nonvested restricted stock for the six months endedJune 30, 2011 is presented below:

	Restricted Shares		Weighted- Average Grant-Date Fair Value Per Share
Nonvested Balance at Beginning of the Year	218,156		$	23.72
Granted	123,075		33.25
Forfeited	(613	)	22.07
Nonvested Balance at End of Period	340,618		$	27.17