Property And Equipment (Tables)

9 Months Ended

Jun. 30, 2012

Property, Plant and Equipment [Abstract]

A Summary Of Property And Equipment By Classification

A summary of property and equipment by classification is as follows (in thousands):



(In thousands)	June 30, 2012			September 30, 2011
Drilling vessels and equipment	$	1,624,065		$	1,578,592
Construction work in progress	1,212,129			736,827
Drill pipe	19,407			18,182
Office equipment and other	17,292			8,800
Cost	2,872,893			2,342,401
Less: Accumulated depreciation	(500,447		)	(455,080		)
Drilling and other property and equipment, net	$	2,372,446		$	1,887,321

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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