XML 113 R35.htm IDEA: XBRL DOCUMENT

Asset Retirement Obligations - Roll-Forward (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2012	Jun. 30, 2012
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Balance at beginning of period	$ 7,784
Accretion expense	111
Revision to estimate	(306)
Effect of exchange rate changes	99
Balance at end of period	7,688
Less current asset retirement obligation	339	329
Long term asset retirement obligation	$ 7,349	$ 7,455

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

+ References+ Details

- Definition

Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

+ References+ Details