Borrowings (Details Textual) (USD $)
In Millions, unless otherwise specified |
1 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 6 Months Ended | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2010
|
Aug. 31, 2011
|
Feb. 28, 2011
|
Jun. 30, 2010
|
Feb. 28, 2010
|
Aug. 31, 2011
Sub-facility Letters of Credit [Member]
|
Aug. 31, 2011
Tranche A Term Loans [Member]
|
May 31, 2011
Tranche B Term Loans [Member]
|
Aug. 31, 2011
Tranche B Term Loans [Member]
|
Aug. 31, 2011
2013 Tranche B Term Loan [Member]
|
Aug. 31, 2011
2015 Tranche B Term Loan [Member]
|
Aug. 31, 2011
Revolving Credit Facility [Member]
|
Aug. 31, 2011
2011 Revolving Facility [Member]
|
Aug. 31, 2011
2013 Revolving Facility [Member]
|
|
Borrowings (Textuals) | ||||||||||||||
Maximum borrowing amount under credit facility | $ 3,842.0 | $ 1,200.0 | $ 1,800.0 | $ 1,500.0 | $ 300.0 | $ 842.0 | $ 192.0 | $ 650.0 | ||||||
Maturity date of credit facility | 2011-06 | 2013-06 | 2015-06 | 2011-06 | 2013-06 | |||||||||
Repayment of Tranche B loan | 400.0 | |||||||||||||
Outstanding letters of credit | 12.8 | |||||||||||||
Revolving loans available to be drawn | 447.4 | |||||||||||||
Credit facilities under 2006 Credit Agreement | 200.0 | |||||||||||||
Interest rate swap agreements designated as cash flow hedges | 500.0 | 500.0 | 500.0 | 1,200.0 | ||||||||||
Undesignated interest rate swap agreements | 0 | 0 | 2,400.0 | |||||||||||
Payment of interest rate swap agreements | $ 11.9 | |||||||||||||
Term of delayed start interest rate swap agreement, years | 5 years | |||||||||||||
Average interest rate | 2.90% |