Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details)

v3.2.0.727
Summary of Significant Accounting Policies (Details)
$ in Millions
 12 Months Ended
Jun. 30, 2015
USD ($)
h
Installment
customer
Revenue_source
Jun. 30, 2014
USD ($)
customer
Jun. 30, 2013
USD ($)
customer
Summary of Significant Accounting Policies      
Depreciation expense $ 55.8 $ 51.1 $ 49.3
Number of customers with significant revenue | customer 3 3 2
Number of customers with significant accounts receivable balance | customer 1 2 2
Standard warranty coverage, hours per week | h 40    
Standard warranty coverage, in months 12 months    
Number of revenue sources | Revenue_source 3    
R&D external funding received under certain strategic development programs, primarily from government grants, to offset costs incurred $ 1.9 $ 8.2 $ 12.4
Non-qualified deferred compensation plan payout period (in years) 15 years    
Selling, General and Administrative Expenses      
Summary of Significant Accounting Policies      
Executive deferred compensation program, compensation expense $ 10.4 24.4 14.2
Gain (loss), net on deferred compensation plan assets $ 10.4 24.8 $ 14.1
Cash Long-Term Incentive Plan      
Summary of Significant Accounting Policies      
Cash long-term incentive plan, equal vesting installments | Installment 4    
Cash long-term incentive plan, percentage of equal vesting installments 25.00%    
Cash long-term incentive plan, vesting period (in years) 4 years    
Executive deferred compensation program, compensation expense $ 39.6 $ 26.2  
Buildings | Minimum      
Summary of Significant Accounting Policies      
Land, property, and equipment, useful life 30 years    
Buildings | Maximum      
Summary of Significant Accounting Policies      
Land, property, and equipment, useful life 35 years    
Leasehold improvements (shorter of 10 to 15 years or lease term) | Minimum      
Summary of Significant Accounting Policies      
Land, property, and equipment, useful life 10 years    
Leasehold improvements (shorter of 10 to 15 years or lease term) | Maximum      
Summary of Significant Accounting Policies      
Land, property, and equipment, useful life 15 years    
Machinery and equipment | Minimum      
Summary of Significant Accounting Policies      
Land, property, and equipment, useful life 2 years    
Machinery and equipment | Maximum      
Summary of Significant Accounting Policies      
Land, property, and equipment, useful life 5 years    
Office furniture and fixtures | Minimum      
Summary of Significant Accounting Policies      
Land, property, and equipment, useful life 5 years    
Office furniture and fixtures | Maximum      
Summary of Significant Accounting Policies      
Land, property, and equipment, useful life 7 years    
Total Revenue      
Summary of Significant Accounting Policies      
Concentration risk, percentage 10.00%    
Accounts Receivable      
Summary of Significant Accounting Policies      
Concentration risk, percentage 10.00%