Accrued Liabilities And Deferred Credits (Tables)

3 Months Ended

Mar. 31, 2012

Accrued Liabilities And Deferred Credits [Abstract]

Accrued Liabilities And Deferred Credits

	March 31, 2012		December 31, 2011
Accrued compensation	$	1,834	$	1,687
Restructuring liability		279		790
Environmental and insurance liabilities		1,848		1,887
Deferred revenue		29,861		29,859
Retiree medical and other benefit reserves		92		100
Legal		1,162		2,972
Other accrued liabilities		10,869		10,196
Total accrued liabilities and deferred credits	$	45,945	$	47,491