XML 17 R25.htm IDEA: XBRL DOCUMENT v2.4.0.8

Earnings per share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Reconciliation of Shares Used to Compute Basic and Diluted Earnings per Share

The following is a reconciliation of the shares used to compute basic and diluted earnings per share (in thousands):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2014			2013			2014			2013
Weighted average number of common shares outstanding used to compute basic earnings per share	53,374			53,620			53,955			53,350
Dilutive effect of stock-based awards	755			1,004			849			1,044
Number of shares used to compute diluted earnings per share	54,129			54,624			54,804			54,394

X

- Details

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

X

- Definition

Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit).

+ 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_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration