Fair Value Measurements (Details 2) (USD $)	Aug. 31, 2012	May 31, 2012
Fair Value Disclosures [Abstract]
Amortized cost basis, marketable securities	$ 11,000,000	$ 0

- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References+ Details