XML 60 R54.htm IDEA: XBRL DOCUMENT v2.4.0.8
Sale of First Choice (Details) (First Choice [Member], USD $)
In Millions, unless otherwise specified
 0 Months Ended 1 Months Ended 3 Months Ended
Sep. 23, 2011
Aug. 31, 2012
Oct. 31, 2011
Sep. 30, 2012
Other Income [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds $ 270.0      
Business Disposition, Awarded Purchase Price Disputed   6.4    
Business Disposition, Sale Price Disputed     8.2  
Gain (Loss) on Disposition of Business       $ 1.0