|
OEM Neurosurgery Partner Agreements (Details) (USD $)
In Thousands, unless otherwise specified
|
3 Months Ended |
6 Months Ended |
|
Jan. 31, 2015
|
Jan. 31, 2014
|
Jan. 31, 2015
Partner
|
Jan. 31, 2014
|
| Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |
|
|
|
|
| Number of U.S. based national and international marketing partners |
|
|
2 |
|
| Net sales |
$ 18,189 |
$ 15,096 |
$ 34,836 |
$ 30,626 |
| Codman collaborative arrangement [Member] |
|
|
|
|
| Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |
|
|
|
|
| Numbers of years a product was sold |
|
|
30 years |
|
| Net sales |
5,010 |
3,090 |
8,818 |
7,191 |
| Percent of net sales (in hundredths) |
27.50% |
20.50% |
25.30% |
23.50% |
| Codman collaborative arrangement [Member] | Bipolar generators and related disposables and accessories [Member] |
|
|
|
|
| Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |
|
|
|
|
| Collaborative arrangement time frame |
|
|
3 years |
|
| Codman collaborative arrangement [Member] | Malis Spetzler Trademark [Member] |
|
|
|
|
| Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |
|
|
|
|
| Collaborative arrangement time frame |
|
|
3 years |
|
| Stryker Collaborative Arrangement [Member] |
|
|
|
|
| Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |
|
|
|
|
| Net sales |
$ 2,708 |
$ 2,452 |
$ 5,689 |
$ 4,613 |
| Percent of net sales (in hundredths) |
14.90% |
16.20% |
16.30% |
15.10% |