Quarterly Financial Data (Table)

12 Months Ended

Sep. 30, 2011

Quarterly Financial Data [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

		Three-Months Ended
		Dec. 31,		Mar. 31,		June 30,		Sept. 30,		Year
			(Dollars and shares in thousands, except per share data) (1)
Fiscal Year 2011
Total revenues		$	366,174	$	367,112	$	410,736	$	421,318	$	1,565,340
Gross profit			50,072		50,986		54,087		50,440		205,585
Operating income			17,536		16,869		18,701		15,560		68,666
Net income			10,828		10,332		11,390		10,030		42,580
Earnings per common share — basic		$	0.87	$	0.83	$	0.91	$	0.80	$	3.42
Earnings per common share — diluted		$	0.87	$	0.83	$	0.91	$	0.80	$	3.40
Weighted average common shares
	outstanding:
	Basic		12,415		12,462		12,484		12,497		12,464
	Diluted		12,483		12,511		12,526		12,531		12,513
Fiscal Year 2010
Total revenues		$	236,111	$	286,597	$	347,687	$	358,947	$	1,229,342
Gross profit			36,009		39,522		43,937		45,535		165,003
Operating income			12,733		12,664		15,064		13,757		54,218
Net income			7,834		7,671		9,137		8,798		33,440
Earnings per common share — basic		$	0.64	$	0.63	$	0.74	$	0.71	$	2.73
Earnings per common share — diluted		$	0.63	$	0.62	$	0.74	$	0.71	$	2.70
Weighted average common shares
	outstanding:
	Basic		12,173		12,207		12,265		12,318		12,241
	Diluted		12,356		12,376		12,408		12,437		12,395
(1) The sums of the quarterly net income and earnings per share amounts may not agree to the year-to-date
earnings per common share amount as a result of rounding.