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EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

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

The following table sets forth the details of basic and diluted earnings per share:

	Three Months Ended								Six Months Ended
	June 30								June 30
(In thousands, except per share data)	2018				2017				2018				2017
Net income attributable to WESCO International	$	57,940			$	49,510			$	102,361			$	87,238
Weighted-average common shares outstanding used in computing basic earnings per share	47,085				48,294				47,062				48,499
Common shares issuable upon exercise of dilutive equity awards	465				482				516				582
Weighted-average common shares outstanding and common share equivalents used in computing diluted earnings per share	47,550				48,776				47,578				49,081
Earnings per share attributable to WESCO International
Basic	$	1.23			$	1.03			$	2.18			$	1.80
Diluted	$	1.22			$	1.02			$	2.15			$	1.78

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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://fasb.org/us-gaap/role/ref/legacyRef
-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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