XML 45 R27.htm IDEA: XBRL DOCUMENT v3.10.0.1

Net Income Per Share (Tables)

3 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Basic and Diluted Net Income Per Share

The following is a reconciliation of the shares used in the denominator for calculating basic and diluted net income per share:

		Three Months Ended
		December 31,
		2017				2018
Weighted average common shares outstanding used in    calculating basic income per share			21,986,981				22,779,567
Effect of dilutive options and non-vested restricted stock    awards			725,667				621,118
Weighted average common and common equivalent shares    used in calculating diluted income per share			22,712,648				23,400,685

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