Note 4 - Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

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

	Three Months Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
	(Dollars in thousands, except per share amounts)
Numerator:
Net income	$	58,935		$	21,710		$	123,895		$	44,496
Less: Net income allocated to preferred shareholder		(14,166	)		(9,100	)		(40,353	)		(18,980	)
Less: Net income allocated to unvested restricted stock		(90	)		(22	)		(169	)		(31	)
Net income available to common stockholders for basic earnings per common share		44,679			12,588			83,373			25,485
Effect of dilutive securities:
Net income allocated to preferred shareholder		14,166			9,100			40,353			18,980
Interest on 1.25% convertible senior notes due 2032, included in cost of sales		41			55			490			55
Interest on 6% convertible senior subordinated notes due 2012	―				217		―			―
Net income available to common and preferred stock for diluted earnings per share	$	58,886		$	21,960		$	124,216		$	44,520
Denominator:
Weighted average basic common shares outstanding		276,966,995			204,485,294			244,998,581			198,469,130
Weighted average additional common shares outstanding if preferred shares converted to common shares (if dilutive)		87,812,786			147,812,786			118,582,017			147,812,786
Total weighted average common shares outstanding if preferred shares converted to common shares		364,779,781			352,298,080			363,580,598			346,281,916
Effect of dilutive securities:
Stock options		6,617,253			7,333,726			6,878,447			5,687,376
1.25% convertible senior notes due 2032		31,312,850			18,719,639			31,312,850			6,285,426
6% convertible senior subordinated notes due 2012	―				4,734,989		―			―
Weighted average diluted shares outstanding		402,709,884			383,086,434			401,771,895			358,254,718
Income per share:
Basic	$	0.16		$	0.06		$	0.34		$	0.13
Diluted	$	0.15		$	0.05		$	0.31		$	0.12