Reportable Segments

6 Months Ended

Jun. 30, 2013

Segment Reporting [Abstract]

Reportable Segments

Reportable Segments

The structure of the Company’s internal organization is divided into the following reportable segments, which are also the Company's operating segments: Energy and Chemicals (“E&C”), Distribution and Storage (“D&S”) and BioMedical. Corporate includes operating expenses for executive management, accounting, tax, treasury, human resources, information technology, legal, internal audit, risk management and share-based compensation expenses that are not allocated to the reportable segments.

Information for the Company’s reportable segments and its corporate function is presented below:

	Three Months Ended June 30, 2013
	Energy & Chemicals		Distribution & Storage		BioMedical		Corporate			Total
Sales	$	78,716	$	147,156	$	72,394	$	—		$	298,266
Operating income (loss)	14,914		23,393		8,752		(14,080		)	32,979

	Six Months Ended June 30, 2013
	Energy & Chemicals		Distribution & Storage		BioMedical		Corporate			Total
Sales	$	159,577	$	275,889	$	136,448	$	—		$	571,914
Operating income (loss)	27,733		42,682		15,505		(25,590		)	60,330

	Three Months Ended June 30, 2012
	Energy & Chemicals		Distribution & Storage		BioMedical		Corporate			Total
Sales	$	77,129	$	113,434	$	49,376	$	—		$	239,939
Operating income (loss)	14,536		17,674		11,948		(11,075		)	33,083

	Six Months Ended June 30, 2012
	Energy & Chemicals		Distribution & Storage		BioMedical		Corporate			Total
Sales	$	145,953	$	218,526	$	91,566	$	—		$	456,045
Operating income (loss)	27,728		34,499		18,447		(23,730		)	56,944