Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Details)

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Commitments and Contingencies - Additional Information (Details)
$ in Millions
 12 Months Ended
Jun. 30, 2015
USD ($)
h
Installment
Jun. 30, 2014
USD ($)
Jun. 30, 2013
USD ($)
Operating Leased Assets [Line Items]      
Operating leases, rent expense $ 9.1 $ 8.7 $ 9.2
Open inventory purchase commitments $ 298.7    
Outstanding inventory purchase commitment 12 months    
Cash-based long-term incentive plan, committed amount $ 125.0    
Standard warranty coverage, hours per week | h 40    
Standard warranty coverage, in months 12 months    
Guarantee arrangements to fund customs guarantees for VAT and other operating requirements $ 22.5    
Outstanding guarantee arrangements to fund customs guarantees for VAT and other operating requirements $ 19.0    
Cash Long-Term Incentive Plan      
Operating Leased Assets [Line Items]      
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