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Equity Method Investments	12 Months Ended
Equity Method Investments	Dec. 31, 2015
Equity Method Investments [Abstract]
Equity Method Investments	Equity Method Investments Income from our equity method investments in 2015, 2014 and 2013 was $8.4 million, $16.2 million and $15.9 million, respectively, and our proportionate share in their net assets at December 31, 2015 and 2014 was $45.3 million and $49.0 million, respectively. Our equity method investments are not material to our results of operations or financial position; therefore, summarized financial information is not required to be presented.