v3.2.0.727
Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2012
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Provision for income taxes $ 151.8 $ 132.5 $ 111.1  
Effective income tax rate 34.60% 33.50% 34.40%  
Decrease in effective tax rate due to related to Federal research and development credits 0.85% 0.50%    
Foreign earnings as a percent of total company earnings 17.00% 22.00%    
Decrease in effective tax rate, due to release of valuation allowance and release of various tax reserves 1.15%      
Decrease in effective tax rate due to decrease in fair value obligation 0.30%      
Increase in tax rate due to negative impact from non-deductible permanent tax items 0.60%      
Accumulated earnings attributable to foreign subsidiaries $ 73.5 $ 87.4 $ 70.9  
Deferred tax asset valuation allowances 9.2 10.9    
Unrecognized tax benefits 24.4 26.6 30.0 $ 62.6
Unrecognized tax benefit that would affect the effective tax rate 12.7      
Expected unrecognized tax benefit decrease 0.8      
Gross decrease for prior period tax positions 5.1 6.1 36.7  
Recognized interest and penalties related to uncertain tax positions 0.1 $ 0.9 $ 0.2  
Reduction in fair value of contingent consideration 3.3      
Foreign [Member]        
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Accumulated earnings attributable to foreign subsidiaries 375.0      
Net operating loss carryforwards 14.1      
Foreign net operating loss carryforwards subject to expiration 0.5      
Foreign net operating loss carryforwards not subject to expiration 13.6      
U.S. federal [Member]        
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Net operating loss carryforwards $ 37.4      
Earliest Tax Year [Member] | Foreign [Member]        
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Expiration year of operating loss carryforwards Dec. 31, 2017      
Earliest Tax Year [Member] | U.S. federal [Member]        
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Expiration year of operating loss carryforwards Dec. 31, 2015      
Latest Tax Year [Member] | Foreign [Member]        
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Expiration year of operating loss carryforwards Dec. 31, 2027      
Latest Tax Year [Member] | U.S. federal [Member]        
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Expiration year of operating loss carryforwards Dec. 31, 2030