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EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

	Year Ended December 31,
	2018				2017				2016
(In thousands, except per share data)
Net income attributable to WESCO International	$	227,343			$	163,460			$	101,588
Weighted-average common shares outstanding used in computing basic earnings per share	46,722				47,849				44,116
Common shares issuable upon exercise of dilutive equity awards	477				512				543
Common shares issuable from contingently convertible debentures (see below for basis of calculation)	—				—				3,674
Weighted-average common shares outstanding and common share equivalents used in computing diluted earnings per share	47,199				48,361				48,333
Earnings per share attributable to WESCO International
Basic	$	4.87			$	3.42			$	2.30
Diluted	$	4.82			$	3.38			$	2.10

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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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