CAPITAL STOCK

12 Months Ended

Sep. 30, 2013

Equity [Abstract]

CAPITAL STOCK

CAPITAL STOCK

Repurchase and Retirement of Common Shares

On May 23, 2013, we entered into a stock purchase agreement with Helmerich & Payne International Drilling Co. ("H&P"), a subsidiary of Helmerich & Payne, Inc., under which we agreed to repurchase 2,000,000 shares of our common stock from H&P and to make a payment at closing to H&P of $107.1 million. On June 13, 2013, we and H&P amended the agreement to extend the closing date from June 13, 2013 to June 27, 2013 resulting in an increase to the amount paid at closing to H&P by $200,000. The share repurchase closed on June 27, 2013. Following the share repurchase, we canceled such shares. H&P is considered a related party as a member of our board of directors serves as the President and Chief Executive Officer, as well as a director, of Helmerich & Payne, Inc.