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Net Income Per Common Share (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Net Income Per Common Share [Table Text Block]

The following table sets forth the computation of basic and diluted net income per common share:

	Three Months Ended March 31
	2018				2017
	(thousands, except per-share data)
Net income	$	37,050			$	10,020
Weighted average common shares outstanding during the period (for basic calculation)	38,778				38,500
Dilutive effect of other potential common shares	618				401
Weighted average common shares and potential common shares (for diluted calculation)	39,396				38,901
Net income per common share - Basic	$	0.96			$	0.26
Net income per common share - Diluted	$	0.94			$	0.26

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- References

No definition available.

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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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