Share Based Compensation (Tables)

9 Months Ended

Sep. 30, 2011

Share Based Compensation Tables [Abstract]

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Text Block]

4. SHARE BASED COMPENSATION:
Valuation and Expense Information
			Three Months				Nine Months
			Ended September 30,				Ended September 30,
			2011		2010		2011		2010
	Total cost of share-based payment plans	$	5,344	$	4,778	$	15,475	$	15,273
	Amounts capitalized in fixed assets	$	1,898	$	1,793	$	5,583	$	6,151
	Amounts charged against income, before
	income tax benefit	$	3,446	$	2,985	$	9,892	$	9,122
	Amount of related income tax benefit recognized
	in income	$	1,237	$	1,060	$	3,551	$	3,238

Stock Option Activity

Changes in Stock Options and Stock Options Outstanding

The following table summarizes the changes in stock options for the nine months ended September 30, 2011 and the year ended December 31, 2010:

		Weighted
	Number of	Average
	Options	Exercise Price
	(000's)	(US$)
Balance, December 31, 2009	3,504	$	1.49	to	$	98.87
Forfeited	(68)	$	51.60	to	$	76.01
Exercised	(1,206)	$	1.49	to	$	45.95
Balance, December 31, 2010	2,230	$	3.91	to	$	98.87
Forfeited	(20)	$	51.60	to	$	75.18
Exercised	(661)	$	3.91	to	$	33.57
Balance, September 30, 2011	1,549	$	16.97	to	$	98.87