Fair Value Measurements - Fair Value Hierarchy for Assets and Liabilities Measured on Recurring Basis (Detail) (Fair Value, Measurements, Recurring [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2015
Mar. 31, 2014
Jun. 30, 2014
Assets/(Liabilities)          
Contingent Consideration $ 0 $ (13) $ 866 $ (29)  
Fair Value, Inputs, Level 1 [Member]          
Assets/(Liabilities)          
Available-for-sale securities 54,649   54,649   2,472
Foreign exchange contracts 0   0   0
Pension assets 3,407   3,407   6,641
Contingent consideration 0   0   0
Net asset/(liability) 58,056   58,056   9,113
Fair Value, Inputs, Level 2 [Member]          
Assets/(Liabilities)          
Available-for-sale securities 0   0   0
Foreign exchange contracts 263,274   263,274   (21,283)
Pension assets 0   0   0
Contingent consideration 0   0   0
Net asset/(liability) 263,274   263,274   (21,283)
Fair Value, Inputs, Level 3 [Member]          
Assets/(Liabilities)          
Available-for-sale securities 0   0   0
Foreign exchange contracts 0   0   0
Pension assets 0   0   0
Contingent consideration (38,002)   (38,002)   (7,328)
Net asset/(liability) $ (38,002)   $ (38,002)   $ (7,328)