Acquisitions (Tables)

12 Months Ended

Dec. 31, 2012

Acquisitions [Abstract]

Schedule Of Purchase Price Allocation

	May 1,
	2012
Property, plant and equipment, net	$	119,595
Current assets		6,852
Other long-term assets		7,525
Goodwill		1,679
Total assets acquired		135,651
Current liabilities		3,409
Long-term debt, excluding current portion		14,233
Other long-term liabilities		15,855
Total liabilities assumed		33,497
Net assets acquired	$	102,154