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Commitments And Contingencies	6 Months Ended
Commitments And Contingencies	Jun. 30, 2015
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies As of June 30, 2015, we have committed to property and equipment purchases of approximately $172.5 million. We are involved in certain claims and pending litigation arising in the ordinary course of business. At this time, management believes the ultimate resolution of these matters will not materially affect our consolidated financial statements.