PROPERTY AND EQUIPMENT (Narrative) (Details) (USD $) In Millions, unless otherwise specified					12 Months Ended
	Sep. 30, 2014 Construction in Progress, Newbuild Drilling Units [Member] DrillingUnit	Jan. 31, 2014 Standard Jackup Drilling Unit [Member]	Apr. 30, 2014 Semisubmersible Tender Assist Drilling Rig [Member]	Mar. 31, 2014 Semisubmersible Tender Assist Drilling Rig [Member]	Sep. 30, 2014 Capital Addition Purchase Commitments [Member] Construction in Progress, Newbuild Drilling Units [Member]
Property, Plant and Equipment [Line Items]
Number of drilling units	2
Expenditure towards construction of drilling units currently under construction	$ 320
Commitments on drilling units under construction					950
Sales price		55.4	4.0
Carrying value of equipment and related inventory		$ 20.5		$ 2.0