Share Based Compensation (Tables)

6 Months Ended

Jun. 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				Six Months
			Ended June 30,				Ended June 30,
			2011		2010		2011		2010
	Total cost of share-based payment plans	$	5,007	$	5,809	$	10,131	$	10,494
	Amounts capitalized in fixed assets	$	1,683	$	2,453	$	3,685	$	4,357
	Amounts charged against income, before
	income tax benefit	$	3,324	$	3,356	$	6,446	$	6,137
	Amount of related income tax benefit recognized
	in income	$	1,193	$	1,191	$	2,314	$	2,179

Stock Option Activity

Changes in Stock Options and Stock Options Outstanding

The following table summarizes the changes in stock options for the six months ended June 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	(2)	$	51.60	to	$	75.18
Exercised	(645)	$	3.91	to	$	33.57
Balance, June 30, 2011	1,583	$	11.68	to	$	98.87