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Gain on Contract Settlements/Extinguishments, Net	12 Months Ended
Gain on Contract Settlements/Extinguishments, Net	Dec. 31, 2015
Contractors [Abstract]
Gain on Contract Settlements/Extinguishments, Net	Note 13 - Gain on Contract Settlements/Extinguishments, Net In 2013, we received $45 million related to the settlement of all claims against the former shareholders of Frontier, which we acquired in July 2010, relating to alleged breaches of various representations and warranties contained in the purchase agreement. A portion of the settlement, totaling approximately $14 million, was allocated to discontinued operations as it related to certain standard specification rigs.