Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Aug. 31, 2013

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

(In thousands, except per share data) For the year ended August 31, 2013	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Revenues	$	332,569	$	334,306	$	335,764	$	352,876
Income before income taxes		50,426		43,215		45,831		48,137
Provision for income taxes		19,666		16,573		17,109		17,576
Net income	$	30,760	$	26,642	$	28,722	$	30,561
Income per share – basic
Common Stock	$	1.62	$	1.40	$	1.51	$	1.61
Class B Common Stock	$	1.30	$	1.12	$	1.21	$	1.29
Income per share – diluted
Common Stock	$	1.54	$	1.33	$	1.43	$	1.52
Income allocated to – basic
Common Stock	$	24,191	$	20,963	$	22,638	$	24,123
Class B Common Stock	$	6,025	$	5,209	$	5,647	$	6,033
Income allocated to – diluted
Common Stock	$	30,244	$	26,196	$	28,307	$	30,178
Weighted average number of shares outstanding – basic
Common Stock		14,925		14,962		14,993		15,017
Class B Common Stock		4,647		4,647		4,675		4,694
Weighted average number of shares outstanding – diluted
Common Stock		19,693		19,747		19,820		19,882

(In thousands, except per share data) For the year ended August 25, 2012	First Quarter		Second Quarter		Third Quarter(1)		Fourth Quarter
Revenues	$	313,025	$	309,959	$	320,931	$	312,374
Income before income taxes		41,785		31,086		42,360		35,503
Provision for income taxes		15,983		11,890		14,901		12,971
Net income	$	25,802	$	19,196	$	27,459	$	22,532
Income per share – basic
Common Stock	$	1.37	$	1.01	$	1.45	$	1.19
Class B Common Stock	$	1.09	$	0.81	$	1.16	$	0.95
Income per share – diluted
Common Stock	$	1.30	$	0.96	$	1.37	$	1.13
Income allocated to – basic
Common Stock	$	20,258	$	15,081	$	21,587	$	17,717
Class B Common Stock	$	5,068	$	3,765	$	5,381	$	4,416
Income allocated to – diluted
Common Stock	$	25,350	$	18,863	$	26,993	$	22,153
Weighted average number of shares outstanding – basic
Common Stock		14,838		14,873		14,905		14,912
Class B Common Stock		4,641		4,640		4,644		4,647
Weighted average number of shares outstanding – diluted
Common Stock		19,557		19,605		19,646		19,664