XML 32 R13.htm IDEA: XBRL DOCUMENT v2.4.0.8

Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Earnings Per Share

	Three months ended June 30						Six months ended June 30
	2014			2013			2014			2013
Net income	$	110,270		$	87,853		$	193,339		$	164,437
Shares:
Weighted average number of common shares outstanding		31,049			30,901			31,055			30,956
Dilutive stock awards		425			275			425			246
Diluted weighted average number of common shares outstanding		31,474			31,176			31,480			31,202
Basic earnings per share	$	3.55		$	2.84		$	6.23		$	5.31
Diluted earnings per share	$	3.50		$	2.82		$	6.14		$	5.27

X

- Details

Name:	us-gaap_EarningsPerShareReconciliationAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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