XML 52 R58.htm IDEA: XBRL DOCUMENT

Income Taxes (Details) (USD $) In Millions	3 Months Ended
Income Taxes (Details) (USD $) In Millions	Jul. 31, 2011	Apr. 30, 2011
Income Taxes
Accrued additional gross interest and penalties	$ 3.1
Unrecognized tax benefits	145.5	154.8
Gross unrecognized tax benefit decrease	9.3
Possible decrease of previously unrecognized tax benefits	$ 16.9

This element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

+ References+ Details