Restructuring and Exit Activities (Tables)

6 Months Ended

Jun. 30, 2013

Restructuring and Related Activities [Abstract]

Summary of Restructuring Related Obligations

The following table summarizes our restructuring and exit activity-related obligations and the changes therein as of and for the periods presented:



	Three Months Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
Balance at beginning of period	$	16,972		$	475		$	17,263		$	576
Employee, office and other costs accrued, net	—			(145		)	—			(148		)
Accretion of firm transportation obligation	649			—			856			—
Cash payments, net	(944		)	(79		)	(1,442		)	(177		)
Balance at end of period	$	16,677		$	251		$	16,677		$	251

- Definition

Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period.

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