Quarterly report pursuant to Section 13 or 15(d)

Borrowings (Details Textual 1)

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Borrowings (Details Textual 1) (USD $)
In Millions, unless otherwise specified
9 Months Ended 3 Months Ended 9 Months Ended
Nov. 30, 2011
Nov. 30, 2011
Tranche A Term Loans [Member]
May 31, 2011
Tranche B Term Loans [Member]
Nov. 30, 2011
Tranche B Term Loans [Member]
Nov. 30, 2011
2013 Tranche B Term Loan [Member]
Nov. 30, 2011
2015 Tranche B Term Loan [Member]
Borrowings (Textual)            
Maximum borrowing amount under credit facility $ 3,842.0 $ 1,200.0   $ 1,800.0 $ 1,500.0 $ 300.0
Maturity date of credit facility   2011-06     2013-06 2015-06
Repayment of Tranche B loan     400.0      
Senior notes outstanding       $ 826.6 $ 624.7 $ 201.9
Credit facility, interest rate         1.90% 3.00%