Liability For Unpaid Health Claims (Tables)

12 Months Ended

Dec. 31, 2011

Liability For Unpaid Health Claims [Abstract]

Summary Of Liability For Unpaid Health Claims

	Year Ended December 31,
	2011			2010			2009
Balance at beginning of year	$	100,598		$	104,346		$	119,855
Incurred related to:
Current year		628,137			661,740			674,710
Prior years		(10,644	)		(19,424	)		(19,487	)
Total incurred		617,493			642,316			655,223
Paid related to:
Current year		538,910			577,875			583,127
Prior years		75,664			68,189			87,605
Total paid		614,574			646,064			670,732
Balance at end of year	$	103,517		$	100,598		$	104,346