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Weighted Average Number of Shares Diluted (Tables)

12 Months Ended

Dec. 31, 2017

Earnings per share [abstract]

Disclosure of Weighted Average Diluted Shares

	2015			2016			2017
Weighted average number of shares (basic)	155.8			141.8			143.1
Dilutive effect of outstanding awards under stock-based compensation plans	2.1			2.1			2.1
Weighted average number of shares (diluted)	157.9			143.9			145.2

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- References

No definition available.

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- Definition

The disclosure of earnings per share.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 33
-IssueDate 2017-01-01
-Paragraph 66
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-URIDate 2017-03-09

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