XML 32 R18.htm IDEA: XBRL DOCUMENT v2.4.0.6
Unsecured Lines of Credit Payable (Tables)
 3 Months Ended
Mar. 31, 2012
Unsecured Debt [Abstract]  
Lines of Credit Unused and Available
The amounts of these lines of credit unused and available at March 31, 2012 are as follows (in millions):
 
Credit Facility
No. 1
 
Credit Facility
No. 2
Committed capacity
$
75.0

 
$
400.0

Borrowings outstanding
(74.0
)
 
(35.0
)
Letters of credit issued
(0.8
)
 
—

Unused and available
$
0.2

 
$
365.0
Repayments and Borrowings on Unsecured Lines of Credit
We executed borrowings and repayments on the unsecured lines of credit during the 2012 Quarter as follows (in millions):
 
Credit Facility
No. 1
 
Credit Facility
No. 2
Balance at December 31, 2011
$
74.0

 
$
25.0

Borrowings
—

 
20.0

Repayments
—

 
(10.0
)
Balance at March 31, 2012
$
74.0

 
$
35.0