General Taxes (Tables)

12 Months Ended

Dec. 31, 2011

General Taxes [Abstract]

Components Of General Tax Expense From Continuing Operations

	2011		2010		2009
Gross receipts and franchise	$	90,674	$	86,063	$	79,410
Property and capital stock		77,330		78,184		70,907
Payroll		31,705		31,089		27,834
Other general		10,769		10,261		8,469
	$	210,478	$	205,597	$	186,620