Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (Parentheticals)

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CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (Parentheticals) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Consolidated Statements Of Operations [Abstract]    
Capitalized interest $ 0.20us-gaap_InterestCostsCapitalized $ 0.08us-gaap_InterestCostsCapitalized