Operating Segments - Results (Details) - USD ($)
|
3 Months Ended |
6 Months Ended |
Jan. 31, 2016 |
Jan. 31, 2015 |
Jan. 31, 2016 |
Jan. 31, 2015 |
| Information as to operating segments |
|
|
|
|
| Net sales |
$ 158,271,000
|
$ 135,430,000
|
$ 312,050,000
|
$ 272,241,000
|
| Operating income |
24,396,000
|
18,301,000
|
48,172,000
|
37,348,000
|
| Interest expense, net |
(871,000)
|
(646,000)
|
(1,616,000)
|
(1,180,000)
|
| Income before income taxes |
23,525,000
|
17,655,000
|
46,556,000
|
36,168,000
|
| Operating Segment |
|
|
|
|
| Information as to operating segments |
|
|
|
|
| Operating income |
29,660,000
|
23,066,000
|
58,979,000
|
46,292,000
|
| General corporate |
|
|
|
|
| Information as to operating segments |
|
|
|
|
| Operating income |
(5,264,000)
|
(4,765,000)
|
(10,807,000)
|
(8,944,000)
|
| Endoscopy |
|
|
|
|
| Information as to operating segments |
|
|
|
|
| Net sales |
81,458,000
|
58,970,000
|
153,100,000
|
114,902,000
|
| Endoscopy | Operating Segment |
|
|
|
|
| Information as to operating segments |
|
|
|
|
| Operating income |
14,664,000
|
8,396,000
|
27,123,000
|
15,854,000
|
| Water Purification and Filtration |
|
|
|
|
| Information as to operating segments |
|
|
|
|
| Net sales |
43,252,000
|
42,356,000
|
87,964,000
|
84,724,000
|
| Water Purification and Filtration | Operating Segment |
|
|
|
|
| Information as to operating segments |
|
|
|
|
| Operating income |
7,589,000
|
8,121,000
|
15,402,000
|
15,777,000
|
| Healthcare Disposables |
|
|
|
|
| Information as to operating segments |
|
|
|
|
| Net sales |
26,026,000
|
25,197,000
|
53,378,000
|
54,534,000
|
| Healthcare Disposables | Operating Segment |
|
|
|
|
| Information as to operating segments |
|
|
|
|
| Operating income |
5,673,000
|
4,469,000
|
12,033,000
|
10,823,000
|
| Dialysis |
|
|
|
|
| Information as to operating segments |
|
|
|
|
| Net sales |
7,535,000
|
7,314,000
|
17,608,000
|
14,800,000
|
| Dialysis | Operating Segment |
|
|
|
|
| Information as to operating segments |
|
|
|
|
| Operating income |
$ 1,734,000
|
1,481,000
|
$ 4,421,000
|
2,931,000
|
| Other. |
|
|
|
|
| Information as to operating segments |
|
|
|
|
| Net sales |
|
1,593,000
|
|
3,281,000
|
| Other. | Operating Segment |
|
|
|
|
| Information as to operating segments |
|
|
|
|
| Operating income |
|
$ 599,000
|
|
$ 907,000
|