XML 80 R76.htm IDEA: XBRL DOCUMENT

Retirement Plans (Details 3)	12 Months Ended
Retirement Plans (Details 3)	May 31, 2013	May 31, 2012	May 31, 2011
Defined Benefit Plan Assets Other Information [Abstract]
Expected long-term rate of return on assets	8.00%	8.00%	8.00%
Actual rate of return on plan assets for the 15-year period	6.90%
Estimated long-term rate of return on plan assets for 2014	7.75%

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

+ References+ Details