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EARNINGS PER SHARE (Tables)

3 Months Ended

Mar. 31, 2019

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
	March 31
(In thousands, except per share data)	2019				2018
Net income attributable to WESCO International	$	42,369			$	44,421
Weighted-average common shares outstanding used in computing basic earnings per share	45,076				47,038
Common shares issuable upon exercise of dilutive equity awards	415				570
Weighted-average common shares outstanding and common share equivalents used in computing diluted earnings per share	45,491				47,608
Earnings per share attributable to WESCO International
Basic	$	0.94			$	0.94
Diluted	$	0.93			$	0.93

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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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