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Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table sets forth the computation of earnings per common share and earnings per common share - assuming dilution:

	Three Months Ended June 30,								Six Months Ended June 30,
	2014				2013				2014				2013
	(Dollars in thousands, except per share data)
Numerator:
Net income - numerator for earnings per common share	$	36,744			$	120,113			$	26,991			$	146,144
Denominator:
Weighted average common shares outstanding (1)	74,461,264				64,254,387				73,495,286				63,786,577
Effect of dilutive securities:
Convertible senior notes	2,259,425				5,009,622				2,843,987				5,082,208
2015 warrants	1,595,519				—				1,981,815				—
Stock options and deferred compensation agreements	1,154,726				1,118,056				1,220,996				1,013,455
Restricted stock units	46,870				—				40,679				—
Denominator for earnings per common share - assuming dilution	79,517,804				70,382,065				79,582,763				69,882,240
Earnings per common share	$	0.49			$	1.87			$	0.37			$	2.29
Earnings per common share - assuming dilution	$	0.46			$	1.71			$	0.34			$	2.09

(1) Weighted average common shares outstanding include shares vested under the NMO Deferred Compensation Plan and exclude unallocated shares held by the ESOP.

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

Options to purchase shares of our common stock that were outstanding during the respective periods indicated but were not included in the computation of diluted earnings per share because the options' exercise price was greater than the average market price of the common shares are as follows:

Period		Number of Shares		Range of Exercise Prices
				Minimum		Maximum
Three months ended June 30, 2014		1,277,650		$24.79		$24.79
Three months ended June 30, 2013		—		$—		$—
Six months ended June 30, 2014		1,277,650		$24.79		$24.79
Six months ended June 30, 2013		—		$—		$—

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- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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