XML 19 R25.htm IDEA: XBRL DOCUMENT v2.4.0.6

Earnings per Share (Tables)

15 Months Ended

Dec. 31, 2011

Earnings per Share [Abstract]

Net components of basic and diluted earnings per share

		Three Months Ended
		December 31,
		2011				2010
		(In thousands, except per share amounts)
Net income (A)		$	39,352			$	27,429
Weighted average outstanding shares of common stock (B)			50,355				49,698
Dilutive effect of stock options and restricted stock			338				421
Weighted average common stock and common stock equivalents (C)			50,693				50,119
Basic earnings per share (A/B)		$	0.78			$	0.55
Diluted earnings per share (A/C)		$	0.78			$	0.55
Potential common shares excluded from the calculation of diluted earnings per share			10				—

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 an entity's basic and diluted earnings per share calculations.

+ References

No definition available.

+ Details

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