Borrowing Facilities including Letters of Credit (Detail) (USD $)
In Thousands
Aug. 31, 2011
Debt Instrument [Line Items] 
Facility Amount$ 1,849,260
Borrowings Under Facilities 
Syndicated loan facility
 
Debt Instrument [Line Items] 
Facility Amount1,200,000[1]
Borrowings Under Facilities [1]
Separate, uncommitted, unsecured multicurrency revolving credit facilities
 
Debt Instrument [Line Items] 
Facility Amount480,090[2]
Borrowings Under Facilities [2]
Local guaranteed and non-guaranteed lines of credit
 
Debt Instrument [Line Items] 
Facility Amount169,170[3]
Borrowings Under Facilities [3]
[1]This facility, which matures on July 31, 2012, provides unsecured, revolving borrowing capacity for general working capital purposes, including the issuance of letters of credit. Financing is provided under this facility at the prime rate or at the London Interbank Offered Rate plus a spread. The Company continues to be in compliance with relevant covenant terms. The facility is subject to annual commitment fees. As of August 31, 2011 and 2010, the Company had no borrowings under the facility.
[2]The Company maintains separate, uncommitted and unsecured multicurrency revolving credit facilities. These facilities provide local currency financing for the majority of the Company's operations. Interest rate terms on the revolving facilities are at market rates prevailing in the relevant local markets. As of August 31, 2011 and 2010, the Company had no borrowings under these facilities.
[3]The Company also maintains local guaranteed and non-guaranteed lines of credit for those locations that cannot access the Company's global facilities. As of August 31, 2011 and 2010, the Company had no borrowings under these various facilities.