Consolidated Statements of Income and Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2013
Net sales	$ 4,006,819	$ 3,525,456	$ 3,241,795
Cost of products sold	3,449,274	3,055,060	2,817,256
Gross profit	557,545	470,396	424,539
Selling, general and administrative expenses	250,891	208,712	194,650
Impairment charges		710	2,000
Amortization of intangible assets	16,015	12,920	10,460
Interest income	1,292	1,577	2,628
Interest expense	180	10	6
Other income, net	1,144	3,198	1,921
Income from continuing operations before income taxes	292,895	252,819	221,972
Income taxes	90,886	77,303	70,296
Net income from continuing operations	202,009	175,516	151,676
Income (loss) from discontinued operations, net of income taxes	(2,624)	3,486	1,186
Net income	$ 199,385	$ 179,002	$ 152,862
Earnings per common share from continuing operations:
Basic	$ 3.80	$ 3.29	$ 2.86
Diluted	3.79	3.29	2.86
Earnings (loss) per common share from discontinued operations:
Basic	(0.05)	0.07	0.02
Diluted	(0.05)	0.06	0.02
Earnings per common share:
Basic	3.75	3.36	2.88
Diluted	$ 3.74	$ 3.35	$ 2.88
Net income	$ 199,385	$ 179,002	$ 152,862
Unrealized appreciation on investments, net of tax effects of $0, $12 and $23		22	38
Comprehensive income	$ 199,385	$ 179,024	$ 152,900