Note 2. Acquisition (Detail) (USD $)	May 31, 2012	Aug. 19, 2011
Business Acquisition, Cost of Acquired Entity, Transaction Costs	$ 2,000,000	$ 88,259,000
Business Acquisition, Cost of Acquired Entity, Purchase Price		1,939,387,000
Business Acquisition, Purchase Price Allocation, Goodwill Amount		974,426,000
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets		779,860,000
Deferred Tax Liabilities, Other		290,800,000
Capitalized [Member]
Business Acquisition, Cost of Acquired Entity, Transaction Costs		42,500,000
Paid from Equity Proceeds [Member]
Business Acquisition, Cost of Acquired Entity, Transaction Costs		28,900,000
Expensed [Member]
Business Acquisition, Cost of Acquired Entity, Transaction Costs		$ 16,900,000