XML 47 R36.htm IDEA: XBRL DOCUMENT v3.10.0.1

Net Income Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Income Per Share

The following table sets forth the computation of basic and diluted net income per share:

		Three Months Ended June 30,								Six Months Ended June 30,
		2018				2017				2018				2017
Numerator:
Net income		$	122,862			$	120,440			$	227,983			$	185,500
Denominator:
Shares used in net income per common share – basic			54,719,000				54,178,000				54,571,000				53,973,000
Effect of dilutive securities:
Restricted stock units, stock appreciation rights and shares issued under employee stock purchase plan			555,000				823,000				709,000				1,006,000
Shares used in net income per common share – diluted			55,274,000				55,001,000				55,280,000				54,979,000
Net income per common share:
Basic		$	2.25			$	2.22			$	4.18			$	3.44
Diluted		$	2.22			$	2.19			$	4.12			$	3.37

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 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

+ Details

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