QUARTERLY FINANCIAL DATA (UNAUDITED) (Tables)

12 Months Ended

Sep. 30, 2012

Quarterly Financial Data [Abstract]

Schedule of Quarterly Financial Information

Summarized quarterly results for fiscal years 2012 and 2011 are as follows (in thousands, except per share amounts):

	Quarters ended (1)
	December 31		March 31		June 30		September 30
Fiscal 2012
Revenues	$	184,672	$	171,621	$	178,603	$	252,525
Income before income taxes	77,931		63,492		61,990		109,891
Net income	65,468		59,466		51,711		95,526
Earnings per common share—
Basic	1.01		0.91		0.79		1.46
Diluted	1.00		0.90		0.79		1.45
Fiscal 2011
Revenues	$	146,286	$	159,085	$	162,147	$	177,558
Income before income taxes	63,240		90,485		87,203		83,919
Net income	52,850		70,611		75,285		72,928
Earnings per common share—
Basic	0.82		1.09		1.16		1.13
Diluted	0.81		1.08		1.15		1.12

(1) The sum of the individual quarterly net income per common share amounts may not agree with year-to-date net income per common share as each quarterly computation is based on the weighted average number of common shares outstanding during that period.