EARNINGS PER SHARE (NVE) (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

			Three Months Ended June 30,				Six Months Ended June 30,
			2012		2011		2012		2011
Basic EPS
	Numerator ($000)
		Net Income	$	69,439	$	12,888	$	81,612	$	15,218
	Denominator
		Weighted average number of common shares outstanding		235,999,750		235,867,068		235,999,750		235,697,687
	Per Share Amounts
		Net Income per share - basic	$	0.29	$	0.05	$	0.35	$	0.06
Diluted EPS
	Numerator ($000)
		Net Income	$	69,439	$	12,888	$	81,612	$	15,218
	Denominator(1)
		Weighted average number of shares outstanding before dilution		235,999,750		235,867,068		235,999,750		235,697,687
		Stock options		38,237		42,199		36,760		37,799
		Non-Employee Director stock plan		160,257		122,737		156,972		143,319
		Employee stock purchase plan		2,725		2,528		6,807		3,551
		Restricted Shares		518,750		124,116		508,250		112,678
		Performance Shares		1,183,557		1,119,898		1,006,531		1,032,622
	Diluted Weighted Average Number of Shares			237,903,276		237,278,546		237,715,070		237,027,656
	Per Share Amounts
		Net income per share - diluted	$	0.29	$	0.05	$	0.34	$	0.06
	(1)	The denominator does not include stock equivalents for options issued under the non-qualified stock option plan due to conversion prices being higher than market prices for all periods. If the conditions for conversion were met under this plan, 435,872 and 451,028 shares, would be included for the three and six months ended June 30, 2012, respectively, and 572,957 and 577,357 would be included for the three and six months ended June 30, 2011, respectively.