Quarterly Financial Data (Table)

12 Months Ended

Sep. 30, 2012

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 2012
Total revenues		$	461,901	$	507,170	$	554,669	$	551,406	$	2,075,146
Gross profit			62,514		66,618		69,519		68,265		266,916
Operating income			21,415		21,411		23,287		19,654		85,767
Net income			13,196		13,178		14,503		12,600		53,477
Earnings per common share — basic		$	1.05	$	1.04	$	1.15	$	0.99	$	4.24
Earnings per common share — diluted		$	1.05	$	1.04	$	1.15	$	0.99	$	4.23
Weighted average common shares
	outstanding:
	Basic		12,581		12,619		12,628		12,636		12,616
	Diluted		12,605		12,648		12,662		12,672		12,647
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
(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.