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Net Income Per Common Share (Tables)

6 Months Ended

Jun. 30, 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 June 30								Six Months Ended June 30
	2018				2017				2018				2017
	(thousands, except per-share data)
Net income	$	41,825			$	22,154			$	78,875			$	32,174
Weighted average common shares outstanding during the period (for basic calculation)	38,981				38,643				38,880				38,572
Dilutive effect of other potential common shares	422				359				504				359
Weighted average common shares and potential common shares (for diluted calculation)	39,403				39,002				39,384				38,931
Net income per common share - Basic	$	1.07			$	0.57			$	2.03			$	0.83
Net income per common share - Diluted	$	1.06			$	0.57			$	2.00			$	0.83

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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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