Earnings Per Common Share (Tables)

3 Months Ended

Dec. 31, 2011

Earnings Per Common Share [Abstract]

Computation Of Basic And Diluted Earnings Per Share

	Three Months Ended
	Net Income		Shares		Per Share Amount
December 31, 2011:
Basic earnings per share	$	65,468		65,024	$	1.01
Effect of dilutive securities - Stock options		—		517		(0.01	)
Diluted earnings per share	$	65,468		65,541	$	1.00
December 31, 2010:
Basic earnings per share	$	52,850		64,528	$	0.82
Effect of dilutive securities - Stock options		—		656		(0.01	)
Diluted earnings per share	$	52,850		65,184	$	0.81