v2.4.0.6
Income Taxes (Narrative) (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]      
Effective income tax rate 37.80% 36.30% 34.20%
One-time tax expense attributable to a valuation allowance $ 7.4    
Earnings attributable to foreign subsidiaries 75.4 73.5 94.2
Deferred tax asset valuation allowances 14.7 12.1  
Increase in reserve for unrecognized tax benefit 62.6 47.0  
Unrecognized tax benefit that would affect the effective tax rate 22.7    
Expected Unrecognized Tax Benefit Decrease 7.0    
Recognized interest and penalties related to uncertain tax positions 1.0 0.8 0.8
Foreign [Member]
      
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]      
Earnings attributable to foreign subsidiaries 280.3    
Foreign net operating loss carryforwards subject to expiration 21.7    
Foreign net operating loss carryforwards not subject to expiration 0.6    
Expiration year of operating loss carryforwards 2017 through 2027    
U S Federal [Member]
      
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]      
U.S. federal net operating loss carryforwards $ 21.1    
Expiration year of operating loss carryforwards 2018 through 2032