Segment Information Segment Information (Tables)

6 Months Ended

Jun. 30, 2012

Segment Information [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,
	2012			2011			2012			2011
	(in thousands)
Revenues
Energy	$	444,598		$	474,415		$	882,345		$	906,231
Water	134,542			137,986			268,435			269,861
Total Company	$	579,140		$	612,401		$	1,150,780		$	1,176,092
Gross profit
Energy	$	148,951		$	144,753		$	283,554		$	282,337
Water	47,794			47,198			96,296			94,592
Total Company	$	196,745		$	191,951		$	379,850		$	376,929
Operating income (loss)
Energy	$	47,069		$	45,463		$	85,233		$	88,631
Water	11,666			13,755			27,603			30,609
Corporate unallocated	(12,672		)	(11,133		)	(27,152		)	(21,066		)
Total Company	46,063			48,085			85,684			98,174
Total other income (expense)	(3,208		)	(12,602		)	(7,628		)	(25,998		)
Income before income taxes	$	42,855		$	35,483		$	78,056		$	72,176

Revenues By Region [Table Text Block]

Revenues by region were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
	(in thousands)
United States and Canada	$	292,999	$	285,931	$	577,586	$	560,393
Europe, Middle East, and Africa	215,899		250,709		436,855		474,412
Other	70,242		75,761		136,339		141,287
Total revenues	$	579,140	$	612,401	$	1,150,780	$	1,176,092

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,
	2012		2011		2012		2011
	(in thousands)
Energy	$	20,488	$	24,368	$	41,144	$	47,923
Water	6,539		8,399		13,095		16,374
Corporate Unallocated	17		1		32		2
Total Company	$	27,044	$	32,768	$	54,271	$	64,299