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QEP Midstream (Tables)
 9 Months Ended
Sep. 30, 2013
QEP Midstream [Abstract]  
Schedule of Sale of Stock by Subsidiary or Equity Method Investee Disclosure [Table Text Block]
The following table is a reconciliation of proceeds from the initial public offering (in millions):
Total proceeds from the Offering
 
$
483.0

Offering costs
 
(33.4
)
Net proceeds from the Offering
 
449.6

Revolving credit facility origination fees
 
(3.0
)
Repayment of outstanding debt with QEP
 
(95.5
)
Net proceeds distributed to QEP from the Offering
 
$
351.1