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Other Required Disclosures - Variable Interest Entites (Details) (Salus Capital Partners L L C [Member], Variable Interest Entity, Primary Beneficiary [Member], USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
Salus Capital Partners L L C [Member] | Variable Interest Entity, Primary Beneficiary [Member]
  
Variable Interest Entity [Line Items]  
Maximum loss exposure $ 201.3
Asset-backed loans receivable 201.3
Cash and other assets 28.4
Total assets of consolidated VIE 229.7
Long-term debt 225.0
Other liabilities 3.2
Total liabilities of consolidated VIE $ 228.2