| Compensation and Retirement Disclosure [Abstract] | Period [Axis] | 
|---|
| 2015-07-01 - 2016-06-30 | 
|---|
| Compensation and Retirement Disclosure [Abstract] |   | 
| Schedule of PBO, Change in Plan Assets, Funded Status and Amounts Recognized in Consolidated Balance Sheet | 
 
 The following
 table represents the PBO, change in plan assets, funded status and
 amounts recognized in our consolidated balance sheets at June 30,
 2016 and 2015: 
   
 
 |  |  |  |  |  |  |  |  |  |  
 |  |  | Pension
 Benefits |  |  
 |  |  | 2016 |  |  | 2015 |  |  
 |  |  | (in
 thousands) |  |  
 | Change in benefit
 obligation: |  |  |  |  |  |  |  |  |  
 | Projected benefit
 obligation at beginning of year |  | $ | 41,136 |  |  | $ | 36,413 |  |  
 | Service cost |  |  | 2,279 |  |  |  | 2,300 |  |  
 | Interest cost |  |  | 484 |  |  |  | 673 |  |  
 | Actuarial loss |  |  | 7,939 |  |  |  | 3,647 |  |  
 | Plan participant
 contributions |  |  | 835 |  |  |  | 872 |  |  
 | Benefits paid, net of
 transfers into plan |  |  | (266 | ) |  |  | (939 | ) |  
 | Effect of foreign
 currency exchange rate changes |  |  | (1,857 | ) |  |  | (1,830 | ) |  
 |  |  |   |   |  |  |   |   |  |  
 | Projected benefit
 obligation at end of year |  | $ | 50,550 |  |  | $ | 41,136 |  |  
 |  |  |   |   |  |  |   |   |  |  
 | Change in plan
 assets: |  |  |  |  |  |  |  |  |  
 | Fair value of plan assets
 at beginning of year |  | $ | 27,776 |  |  | $ | 26,575 |  |  
 | Actual return on plan
 assets |  |  | 446 |  |  |  | 801 |  |  
 | Employer
 contribution |  |  | 1,734 |  |  |  | 1,820 |  |  
 | Plan participant
 contributions |  |  | 835 |  |  |  | 872 |  |  
 | Benefits paid, net of
 transfers into plan |  |  | (266 | ) |  |  | (939 | ) |  
 | Effect of foreign
 currency exchange rate changes |  |  | (1,257 | ) |  |  | (1,353 | ) |  
 |  |  |   |   |  |  |   |   |  |  
 | Fair value of plan assets
 at end of year |  | $ | 29,268 |  |  | $ | 27,776 |  |  
 |  |  |   |   |  |  |   |   |  |  
 | Pension liability at end
 of fiscal year |  | $ | (21,282 | ) |  | $ | (13,360 | ) |  
 Accumulated
 other comprehensive loss consists of the following: 
   
 
 |  |  |  |  |  |  |  |  |  |  
 | Net prior service
 credit |  | $ | 888 |  |  | $ | 1,025 |  |  
 | Net actuarial
 loss |  |  | (12,682 | ) |  |  | (4,659 | ) |  
 |  |  |   |   |  |  |   |   |  |  
 | Accumulated other
 comprehensive loss, before income tax |  | $ | (11,794 | ) |  | $ | (3,634 | ) |  
 |  |  |   |   |  |  |   |   |  |  
   | 
| Summary of Weighted-Average Assumptions Used to Determine Net Benefit Costs and Benefit Obligations | 
 
 Assumptions: 
   
 
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  
 |  |  | Pension
 Benefits |  |  
 |  |  | 2016 |  |  | 2015 |  |  | 2014 |  |  
 | Weighted-average
 assumptions used to determine net benefit costs: |  |  |  |  |  |  |  |  |  |  |  |  |  
 | Discount rate |  |  | 1.25 | % |  |  | 2.00 | % |  |  | 2.25 | % |  
 | Expected return on plan
 assets |  |  | 3.00 | % |  |  | 4.00 | % |  |  | 4.00 | % |  
 | Rate of compensation
 increase |  |  | 1.75 | % |  |  | 2.00 | % |  |  | 2.00 | % |  
 |  |  |  |  |  
 | Weighted-average
 assumptions used to determine benefit obligations at year
 end: |  |  |  |  |  |  |  |  |  |  |  |  |  
 | Discount rate |  |  | 0.25 | % |  |  | 1.25 | % |  |  | 2.00 | % |  
 | Expected return on plan
 assets |  |  | 3.00 | % |  |  | 3.00 | % |  |  | 4.00 | % |  
 | Rate of compensation
 increase |  |  | 1.50 | % |  |  | 1.75 | % |  |  | 2.00 | % |  | 
| Summary of Pension Plan 2016 Actual Asset Allocation as Compared to Profond's Target Asset Allocations | 
 
 The pension plan 2016 actual asset allocation as compared to
 Profond’s target asset allocations are as follows: 
   
 
 |  |  |  |  |  |  |  |  |  |  
 |  |  | Actual |  |  | Target |  |  
 | 
 Asset Category: |  |  |  |  |  |  |  |  |  
 | 
 Cash and cash equivalents |  |  | 4 | % |  |  | 2 | % |  
 | 
 Equity Securities |  |  | 50 | % |  |  | 49 | % |  
 | 
 Fixed Income |  |  | 15 | % |  |  | 23 | % |  
 | 
 Real Estate |  |  | 28 | % |  |  | 23 | % |  
 | 
 Other |  |  | 3 | % |  |  | 3 | % |  | 
| Summary of Estimated Future Benefit Payments | 
 
 As of June
 30, 2016, the estimated future benefit payments (inclusive of any
 future service) were as follows: 
   
  
 
 |  |  |  |  |  |  
 |  |  | Total |  |  
 |  |  | (In thousands) |  |  
 | 2017 |  | $ | 1,377 |  |  
 | 2018 |  |  | 1,618 |  |  
 | 2019 |  |  | 1,781 |  |  
 | 2020 |  |  | 1,631 |  |  
 | 2021 |  |  | 2,211 |  |  
 | 2022-26 |  |  | 9,722 |  |  | 
| Components of Net Periodic Pension Costs for the Swiss Pension Plan | 
 
 Net periodic
 pension costs for the Swiss pension plan include the following
 components: 
   
 
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  
 |  |  | 2016 |  |  | 2015 |  |  | 2016 |  |  
 |  |  | (In
 thousands) |  |  
 | Components of net
 periodic (income) cost |  |  |  |  |  |  |  |  |  |  |  |  |  
 | Service cost |  | $ | 2,279 |  |  | $ | 2,300 |  |  | $ | 2,170 |  |  
 | Interest cost |  |  | 484 |  |  |  | 673 |  |  |  | 594 |  |  
 | Net prior service cost
 credit |  |  | (90 | ) |  |  | (93 | ) |  |  | — |  |  
 | Net actuarial
 loss |  |  | 69 |  |  |  | — |  |  |  | — |  |  
 | Expected return on plan
 assets |  |  | (805 | ) |  |  | (1,003 | ) |  |  | (769 | ) |  
 |  |  |   |   |  |  |   |   |  |  |   |   |  |  
 | Net periodic
 cost |  | $ | 1,937 |  |  | $ | 1,877 |  |  | $ | 1,995 |  |  
 |  |  |   |   |  |  |   |   |  |  |   |   |  |  |