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Note 8 - Employee Benefit Plans (Detail) - Assumed Average Annual Rate of Increase in the Per Capita Cost of Covered Benefits	6 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012	Jun. 30, 2011
Health care cost trend rate	8.00%	8.00%	8.50%
Ultimate trend rate	5.00%	5.00%	5.00%
Year rate reaches ultimate trend rate	2020	2024	2021

The assumed health care cost trend rate for the next year used to measure the expected cost of benefits covered by the plan (gross eligible charges). This is based upon the annual rate of change in the cost of health care benefits currently provided by the postretirement benefit plan, due to factors other than changes in the composition of the plan population by age and dependency status.

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