Reportable Segments (Tables)

3 Months Ended

Oct. 31, 2018

Segment Reporting [Abstract]

Information as to reportable segments

Information as to reportable segments is summarized below:

	Three Months Ended October 31,
Net sales	2018		2017
Medical	$	127,552	$	112,385
Life Sciences	53,345		54,770
Dental	36,628		37,677
Dialysis	8,064		7,934
Total net sales	$	225,589	$	212,766

	Three Months Ended October 31,
Income from operations	2018		2017
Medical	$	25,211	$	19,684
Life Sciences	6,331		10,375
Dental	5,925		8,675
Dialysis	1,384		2,099
	38,851		40,833
General corporate expenses	11,173		9,199
Total income from operations	$	27,678	$	31,634