Condensed Consolidated Statements of Income and Comprehensive Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Oct. 31, 2014	Oct. 31, 2013
Net sales	$ 921,992	$ 799,963
Cost of products sold	804,327	694,780
Gross profit	117,665	105,183
Selling, general and administrative expenses	57,989	48,341
Amortization of intangible assets	3,689	2,838
Impairment charges		710
Interest income	367	510
Interest expense		5
Other income, net	352	642
Income from continuing operations before income taxes	56,706	54,441
Income taxes	17,505	18,047
Net income from continuing operations	39,201	36,394
Income (loss) from discontinued operations, net of income taxes	(276)	4,714
Net income	38,925	41,108
Weighted average common shares outstanding:
Basic	53,336,592	53,205,004
Diluted	53,433,447	53,299,476
Earnings per common share from continuing operations:
Basic	$ 0.73	$ 0.68
Diluted	$ 0.73	$ 0.68
Earnings (loss) per common share from discontinued operations:
Basic	$ 0.00	$ 0.09
Diluted	$ 0.00	$ 0.09
Earnings per common share:
Basic	$ 0.73	$ 0.77
Diluted	$ 0.73	$ 0.77
Net income	38,925	41,108
Unrealized appreciation on investments, net of income tax		22
Comprehensive income	$ 38,925	$ 41,130
Regular Dividend
Earnings per common share:
Dividends paid per common share	$ 0.27	$ 0.23
Special Dividend
Earnings per common share:
Dividends paid per common share	$ 0.00	$ 1.00