Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details)

v2.4.0.8
Summary of Significant Accounting Policies (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Jun. 30, 2014
customer
H
Jun. 30, 2013
customer
Jun. 30, 2012
customer
Depreciation expense $ 51.1 $ 49.3 $ 45.8
Concentration risk, percentage 10.00% 10.00% 10.00%
Standard warranty coverage, hours per week 40    
Standard warranty coverage, in months 12 months    
R&D external funding received under certain strategic development programs, primarily from government grants, to offset costs incurred $ 8.2 $ 12.4 $ 6.9
Number of customers with significant revenue 3 2 2
Number of customers with significant accounts receivable balance 2 2  
Cash equivalents with original or remaining maturity, range 3 months    
Cash Long-Term Incentive Plan
      
Cash long-term incentive plan, equal vesting installments 4    
Cash long-term incentive plan, percentage of equal vesting installments 25.00%    
Cash long-term incentive plan, vesting period 4 years    
Minimum | Buildings
      
Property, plant and equipment, useful life 30 years    
Minimum | Leasehold improvements
      
Property, plant and equipment, useful life 10 years    
Minimum | Office furniture and equipment
      
Property, plant and equipment, useful life 5 years    
Minimum | Machinery and equipment
      
Property, plant and equipment, useful life 2 years    
Maximum | Buildings
      
Property, plant and equipment, useful life 35 years    
Maximum | Leasehold improvements
      
Property, plant and equipment, useful life 15 years    
Maximum | Office furniture and equipment
      
Property, plant and equipment, useful life 7 years    
Maximum | Machinery and equipment
      
Property, plant and equipment, useful life 5 years