XML 34 R24.htm IDEA: XBRL DOCUMENT v3.10.0.1

Earnings (loss) per share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Basic and diluted earnings (loss) per share

The following table shows the basic and diluted earnings (loss) per share:

	For the three months ended June 30,
	2018											2017
	Income				Shares (in millions)			Per Share				Income				Shares (in millions)			Per Share
Net income	$	19.4										$	7.1
Amount allocated to common stockholders	92.2		%									92.0		%
Basic EPS:
Net income allocated to common stockholders	$	17.9			87.6			$	0.20			$	6.6			87.3			$	0.08
Effect of Dilutive Securities:
Share-based compensation	—				0.8							—				0.8
Diluted EPS:
Net income allocated to common stockholders with assumed conversion	$	17.9			88.4			$	0.20			$	6.6			88.1			$	0.07
	For the six months ended June 30,
	2018											2017
	Income				Shares (in millions)			Per Share				Loss				Shares (in millions)			Per Share
Net income (loss)	$	19.1										$	(8.0	)
Amount allocated to common stockholders	92.2		%									100.0		%
Basic EPS:
Net income (loss) allocated to common stockholders	$	17.6			87.6			$	0.20			$	(8.0	)		87.3			$	(0.09	)
Effect of Dilutive Securities:
Share-based compensation	—				0.8							—				—
Diluted EPS:
Net income (loss) allocated to common stockholders	$	17.6			88.4			$	0.20			$	(8.0	)		87.3			$	(0.09	)

Securities excluded from the calculation of diluted EPS

	Three months ended June 30,						Six months ended June 30,
Securities excluded from the calculation of diluted EPS (in millions):	2018			2017			2018			2017(1)
Share-based compensation	0.6			0.4			0.6			0.5

⁽¹⁾ In periods when we report a net loss, all share-based compensation awards are excluded from the calculation of diluted weighted average shares outstanding because of their antidilutive effect on the loss per share calculation.

X

- References

No definition available.

+ Details

Name:	us-gaap_EarningsPerShareAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

+ Details

Name:	us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- 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

+ Details

Name:	us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration