XML 39 R44.htm IDEA: XBRL DOCUMENT

Letters of Credit (Details) (Standby letter of credit facility, USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Standby letter of credit facility
Line of Credit Facility [Line Items]
Posted letters of credit	$ 0.2	$ 0.2
Unsecured standby letter of credit facility, maximum borrowing capacity	10.0
Unsecured standby letter of credit facility, amount outstanding	$ 7.0

The carrying amount as of the date of the latest financial statement presented of securities which are owned but transferred to serve as collateral for letter of credit arrangements, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party.

+ References+ Details