Segment Information Segment Information (Tables)

6 Months Ended

Jun. 30, 2013

Segment Reporting [Abstract]

Revenues Gross Profit And Operating Income By Segment [Table Text Block]

Revenues, gross profit, and operating income associated with our segments were as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
	(in thousands)
Revenues
Energy	$	349,623		$	444,598		$	662,301		$	882,345
Water	132,552			134,542			267,410			268,435
Total Company	$	482,175		$	579,140		$	929,711		$	1,150,780
Gross profit
Energy	$	112,673		$	148,951		$	208,227		$	283,554
Water	46,915			47,794			91,484			96,296
Total Company	$	159,588		$	196,745		$	299,711		$	379,850
Operating income (loss)
Energy	$	14,764		$	47,069		$	15,244		$	85,233
Water	15,389			11,666			27,964			27,603
Corporate unallocated	(12,177		)	(12,672		)	(22,885		)	(27,152		)
Total Company	17,976			46,063			20,323			85,684
Total other income (expense)	(3,884		)	(3,208		)	(5,978		)	(7,628		)
Income before income taxes	$	14,092		$	42,855		$	14,345		$	78,056

Revenues By Region [Table Text Block]

Revenues by region were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
	(in thousands)
United States and Canada	$	211,565	$	292,999	$	388,771	$	577,586
Europe, Middle East, and Africa	215,250		215,899		427,145		436,855
Other	55,360		70,242		113,795		136,339
Total revenues	$	482,175	$	579,140	$	929,711	$	1,150,780

Depreciation And Amortization Expense Associated With Segments [Table Text Block]

Depreciation and amortization expense associated with our segments was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
	(in thousands)
Energy	$	18,348	$	20,488	$	36,819	$	41,144
Water	5,909		6,539		12,178		13,095
Corporate Unallocated	17		17		34		32
Total Company	$	24,274	$	27,044	$	49,031	$	54,271