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SUBSEQUENT EVENTS	12 Months Ended
SUBSEQUENT EVENTS	Sep. 30, 2014
Subsequent Events [Abstract]
SUBSEQUENT EVENTS	SUBSEQUENT EVENTS On October 31, 2014, we entered into Supplemental Agreements to the construction contracts for each of the Atwood Admiral and Atwood Archer whereby the delivery of the drillships was postponed by six months. The Atwood Admiral is now scheduled for delivery on September 30, 2015, and the Atwood Archer is now scheduled for delivery on June 30, 2016. In consideration of the agreement by DSME to postpone deliveries, we have agreed to accelerate the payment of a portion of the milestone payments on each rig as follows: $50 million on each rig payable on November 30, 2014; and $25 million on each rig payable on June 30, 2015. In addition, each rig’s final milestone payment amount will be increased by the aggregate financing cost on these payments using an interest rate of 3.5% per annum.